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Journal articles on the topic 'Monobasic bidentate Schiff bases'

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Published: 5 June 2025

Last updated: 1 August 2025

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1

Gaur, Shweta, Nighat Fahmi, Meera Agarwal, and R. V. Singh. "Intramolecular phenylborane complexes with monobasic bidentate Schiff bases." Applied Organometallic Chemistry 21, no. 2 (2007): 89–97. http://dx.doi.org/10.1002/aoc.1180.

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2

Prashanthi, Y., K. Kiranmai, Ira, Sathish kumar K, Vijay kumar Chityala, and Shivaraj. "Spectroscopic Characterization and Biological Activity of Mixed Ligand Complexes of Ni(II) with 1,10-Phenanthroline and Heterocyclic Schiff Bases." Bioinorganic Chemistry and Applications 2012 (2012): 1–8. http://dx.doi.org/10.1155/2012/948534.

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Mixed ligand complexes of Ni(II) with 1,10-phenanthroline (1,10-Phen) and Schiff bases L1(MIIMP); L2(CMIIMP); L3(EMIIMP); L4(MIIMNP); L5(MEMIIMP); L6(BMIIMP); L7(MMIIMP); L8(MIIBD) have been synthesized. These metal chelates have been characterized by elemental analysis, IR,1H-NMR,13C-NMR, Mass, UV-Vis, magnetic moments, and thermogravimetric (TG&DTA) analysis. Spectral data showed that the 1,10-phenanthroline act as neutral bidentate ligand coordinating to the metal ion through two nitrogen donor atoms and Schiff bases acts as monobasic bidentate coordinating through NO donor atoms. All N

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3

Singh, Har Lal, and Jangbhadur Singh. "Synthesis, Spectroscopic, Molecular Structure, and Antibacterial Studies of Dibutyltin(IV) Schiff Base Complexes Derived from Phenylalanine, Isoleucine, and Glycine." Bioinorganic Chemistry and Applications 2014 (2014): 1–12. http://dx.doi.org/10.1155/2014/716578.

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New series of organotin(IV) complexes and Schiff bases derived from amino acids have been designed and synthesized from condensation of1H-indole-2,3-dione, 5-chloro-1H-indole-2,3-dione, andα-amino acids (phenylalanine, isoleucine, and glycine). All compounds are characterized by elemental analyses, molar conductance measurements, and molecular weight determinations. Bonding of these complexes is discussed in terms of their UV-visible, infrared, and nuclear magnetic resonance (1H,13C, and119Sn NMR) spectral studies. The results suggest that Schiff bases behave as monobasic bidentate ligands and

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4

Reddy, Vidyavati, Nirdosh Patil, Tukaram Reddy, and S. D. Angadi. "Synthesis, Characterization and Biological Activities of Cu(II), Co(II), Ni(II), Mn(II) and Fe(III) Complexes with Schiff Base Derived from 3-(4-Chlorophenoxymethyl)-4-amino-5-mercapto-1,2,4-triazole." E-Journal of Chemistry 5, no. 3 (2008): 529–38. http://dx.doi.org/10.1155/2008/690535.

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Coordination complexes of Cu(II),Co(II), Ni(II), Mn(II) and Fe(III)with Schiff bases derived from 3-(4-chlorophenoxymethyl)-4-amino-5-mercapto-1, 2, 4-triazole and substituted aldehydes have been synthesized. The complexes were characterized by elemental analysis, conductivity measurements, magnetic susceptibility data, electronic, IR, ESR and1H NMR spectral data. On the basis spectroscopic studies, the Schiff base is monobasic bidentate ligand having the composition ML2(2H2O) Where M = Cu(II), Co(II), Ni(II) ,Mn(II), ML2(H2O)Cl Where M = Fe(III). Various physicochemical data suggest a six coo

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5

Daniel Thangadurai, T., M. Gowri, and K. Natarajan. "SYNTHESIS AND CHARACTERISATION OF RUTHENIUM(III) COMPLEXES CONTAINING MONOBASIC BIDENTATE SCHIFF BASES AND THEIR BIOLOGICAL ACTIVITIES." Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry 32, no. 2 (2002): 329–43. http://dx.doi.org/10.1081/sim-120003211.

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6

Garg, Rekha, Anita Kumari, S. C. Joshi, and Nighat Fahmi. "Manganese(II) and Dioxomolybdenum(VI) Complexes with Monobasic Bidentate Schiff Bases : Synthesis, Characterization and Biological Investigation." Bulletin of the Korean Chemical Society 34, no. 8 (2013): 2381–86. http://dx.doi.org/10.5012/bkcs.2013.34.8.2381.

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7

Biyala, Mukesh Kumar, Krishna Sharma, Monika Swami, Nighat Fahmi, and Ran Vir Singh. "Spectral and biocidal studies of palladium(II) and platinum(II) complexes with monobasic bidentate Schiff bases." Transition Metal Chemistry 33, no. 3 (2008): 377–81. http://dx.doi.org/10.1007/s11243-008-9053-3.

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8

V., V. Raju, P. Balasubramanian K., Jayabalakrisbnan C., and Chinnusamy V. "Synthesis, characterization, catalytic and antimicrobial activities of RuII complexes of Schiff bases derived from 2-substituted benzoicacid (2-oxo-1 ,2-dihydro-indol-3-ylidene) hydrazides." Journal of India Chemical Society Vol. 87, Nov 2010 (2010): 1305–11. https://doi.org/10.5281/zenodo.5805642.

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Department of Chemistry, Gobi Arts & Science College, Gobichettipalayam-638 453, Tamilnadu, India P.G. Department of Chemistry, Sri Ramakrishna Mission Vidyalaya College of Arts & Science, Coimbatore-641 020, Tamilnadu, India <em>E-mail:</em> vchinnusamy@yahoo.com <em>Manuscript received 10 August 2009, revised 22 April 2010, accepted 5 May 2010</em> A new ruthenium(ll) Schiff base complexes of the type [RuX(CO)(EPh<sub>3</sub>)(B)(L)] (where X = H or Cl; B = EPh<sub>3</sub>, py; E = P/As; L = monobasic bidentate ligand) have been synthesized. All the complexes were characterized

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9

D., Kumar, Syamal A., and K. Singh A. "Syntheses and characterization of coordination compounds of monobasic bidentate (NS donor) Schiff bases derived from aldehydopolystyrene and 2-aminoethanethiol or 2-aminothiophenol." Journal of Indian Chemical Society Vol. 81, Nov 2004 (2004): 911–16. https://doi.org/10.5281/zenodo.5833116.

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Department of Chemistry, National Institute of Technology, Kurukshetra-136 119, India <em>E-mail</em> : anand_reck@yahoo.com                        <em>Fax</em>: 91-1744-238050 <em>Manuscript received 6 January 2004, revised 27 April 2003. accepted 11 June 2004</em> Aldehydopolystyrene reacts with 2-aminoethanethiol or 2-aminothiophenol in 1 : 4.68 molar ratio to form polystyrene-anchored Schiff bases, PS-LH (1) or PS-L'H (2) respectively. PS-LH or PS-L'H reacts with metal salts in<strong> </strong>DMF to form the polystyrene-

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10

PURUSHOTTAM, B. CHAKRAWARTI, and KHANNA PRAMILA. "Study of Transition Metal Complexes of Vanillin-Anthranilate." Journal of Indian Chemical Society Vol. 62, Jan 1985 (1985): 23–26. https://doi.org/10.5281/zenodo.6302301.

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Chemical Laboratories, M. L. B. College, Bhopal-462 002 <em>Manuscript received 23 February 1983, revised 10 April 1984, accepted 8 November 1984</em> Complexation behaviour of vanillin-anthranilate (Van-An) towards Fe<sup>II</sup>, Co<sup>II</sup>, Ni<sup>lI</sup>, Cu<sup>II</sup>, Mn<sup>Il</sup>, and Fe<sup>IlI</sup> has been studied. The resulting complexes are characterised on the basis of analytical, infrared and electronic spectral, and magnetic susceptibility data. The Schiff base coordinates through O and N atoms acting as a bidentate monobasic ligand. The subnormal magnetic moments o

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11

Mapari, A. K., M. S. Hate, and K. V. Mangaonkar. "Synthesis, Characterization and Antimicrobial Activity of Mixed Schiff Base Ligand Complexes of Co(II), Ni(II), Cu(II) and Zn(II)." E-Journal of Chemistry 8, no. 3 (2011): 1258–63. http://dx.doi.org/10.1155/2011/598171.

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The mixed ligand complexes of Co(II), Ni(II), Cu(II) and Zn(II) with Schiff basesN-(2-hydroxy-1-naphthylidene)-4-methylaniline (L1H) andN-(2-hydroxybenzylidene)-2,3-dimethylaniline (L2H) have been synthesized and characterized. The resulting complexes were characterized by elemental analysis, thermogravimetric analysis, magnetic moment measurements, conductivity measurements,1H NMR, IR, UV-visible and ESR spectral studies. The Schiff bases acts as bidentate monobasic ligands, coordinating through deprotonated phenolic oxygen and azomethine nitrogen atoms. The complexes are non-electrolytic in

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12

Sachin, Malik, Kumari Mamta, and K. Sharma D. "Electrochemical behavior and biological aspects of thio-Schiff bases and their copper complexes." Journal of Indian Chemical Society Vol. 87, May 2010 (2010): 539–49. https://doi.org/10.5281/zenodo.5785825.

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Department of Chemistry, University of Rajasthan, Jaipur-302 055, Rajasthan, India <em>E-mail : </em>sharma_dk@uniraj.ernet.in <em>Manuscript received 24 December 2008, revised 6 October 2009, accepted 6 November 2009</em> The sulfur-nitrogen donor ligands, thiosemicarbazones of 5-nitro-1<em>H</em>-indole-2,3-dione, 6-nitro-1<em>H</em>-indole-2,3- dione and S-chloro-1<em>H</em>-indole-2,3-dione have been prepared by the condensation or thiosemicarbazide with respective ketones In 1 : I molar ratio in the ethanol medium. Copper complexes were prepared by the reaction of hydrated copper dichlori

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13

Rani, C. Vidya, K.Dhahagani, and I. Bernadette Amali. "SYNTHESIS, SPECTRAL CHARACTERIZATIONS AND CATALYTIC ACTIVITY OF M (II) COMPLEXES DERIVED FROM SCHIFF BASE LIGAND 5-DIETHYLAMINO-2-({[4- (DIMETHYLAMINO) PHENYL] IMINO} METHYL) PHENOL." Juni Khyat 15, no. 02 (2025): 39–48. https://doi.org/10.36893/jk.2025.v15i2.012.

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A new series of metal complexes of the type M(L)2 ([Cu(L)2] (1), [Ni(L)2] (2), ;Schiff base (L) derived has been synthesized by condensation in acidic medium and characterized by elemental analysis (C, N, O). The spectral (IR, UV, 1H NMR and EPR) studies are also carried out. The molecular structures of the Schiff base ligand (L) is determined by the single crystal X-ray diffraction technique. The ligand (L) is crystallized into a monoclinic lattice with a space group of P21. The Schiff base ligand (L), C19H25N3O, is approximately planar, with a dihedral angle of 9.03 (13)° between the planes

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14

Rekha, Garg, Fahmi Nighat, and V. Singh R. "Spectral and biocidal studies of manganese(II), dioxomolybdenum(VI) and oxovanadium(V) complexes with monobasic bidentate Schiff base ligands." Journal of Indian Chemical Society Vol. 86, Jul 2009 (2009): 670–78. https://doi.org/10.5281/zenodo.5811898.

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Department of Chemistry, University of Rajasthan, Jaipur-302 004, Rajasthan, India <em>E-mail</em> : rvsjpr@hotmail.com <em>Manuscript received 19 December 2007, revised 12 March 2009, accepted 12 March 2009</em> Schiff base complexes of manganese(II), dioxomolybdenum(VI) and oxovanadium(V) derived from 1<em>H</em>-indol-2,3-dione and 5-nitro-1<em>H</em>-indol-2,3-dione and 2-aminobenzenethioi have been characterized on the basis of elemental analysis, molecular weight determinations and spectral studies Including IR, <sup>1</sup>H NMR, UV, ESR and X-ray studies. The spectroscopic results show

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15

Verma, Sanjay K., Chirag Savani та Vinay K. Singh. "Synthesis, Photophysical, Thermal and Crystallographic Studies of 3‐Aminocoumarin Based Monobasic κ 3 ‐O,N,O‐ tridentate / κ 2 ‐ N,O‐ bidentate Schiff Base Divalent Complexes". ChemistrySelect 4, № 48 (2019): 14244–52. http://dx.doi.org/10.1002/slct.201903988.

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16

D., Kumar, Sharma Jyoti, Chadda Silky, and Syamal A. "Syntheses and characterization of the coordination compounds of metal ions of first and second transition series with the Schiff base in aqueous and non-aqueous reaction conditions." Journal of Indian Chemical Society Vol. 90, Aug 2013 (2013): 1077–86. https://doi.org/10.5281/zenodo.5783501.

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Department of Chemistry, National Institute of Technology, Kurukshetra-136 119, Haryana, India E-mail : dkumar_nitk@yahoo.com, silkychadda2010@gmail.com Department of Chemistry, International Institute of Engineering and Technology, Samani, Kurukshetra-136 118, Haryana, India E-mail : sharadpr123@rediffmail.com SchooI of Coordination Chemistry, D Wing, Ushanagar, Bhandup, Mumbai-400 078, India <em>E-mail :</em> arunsyamal@yahoo.co.in <em>Manuscript received online 05 October 2012, revised 19 October 2012, accepted 25 October 2012</em> The coordination compounds of some metal ions of first

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17

D., Kumar, Syamal A., Gupta Anju, Rani Mukesh, and K. Gupta P. "Role of pH on the formation of the coordination compounds with the Schiff base derived from 3-formylsalicylic acid and 4-amino-2,3-dimethyl-1-phenyl-3- pyrazolin-5-one." Journal of Indian Chemical Society Vol. 87, Oct 2010 (2010): 1185–97. https://doi.org/10.5281/zenodo.5804891.

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Department of Chemistry, National Institute of Technology, Kurukshetra-136 119, Haryana, India <em>E-mail: </em>dkumar _ nitk@yahoo.com, anju.guptac@gmail.com School of Coordination Chemistry, D Wing, Ushanagar, Bhandup, Mumbai-400 078, India <em>E-mail</em>: arunsyamal@yahoo.co.in Bhagwan Parshuram College of Engineering, Gohana-131 301, Haryana, India E-mail: mukeshrani@gmail.com Department of Chemistry, Haryana College of Technology and Management, Kaithal-136 027, Haryana, India <em>E-mail:</em> praveen_gemini@yahoo.com <em>Manuscript received 15 December 2009, revised 26 March 2010, accep

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18

Halder, Kalpataru, and Utpal Saha. "Synthesis and Evaluation of Cr (III), Mn (III) and Fe (III) Schiff Base of Metals Complexes." Journal of Drug Delivery and Therapeutics 9, no. 3 (2019): 114–16. http://dx.doi.org/10.22270/jddt.v9i3.2609.

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A novel synthesized Schiff base metal complexes Cr (III), Mn (III) and Fe (III) of 2-hydroxy-5-chloro acetophenone 2-imino-4-phenyl thiazole were prepared by condensed from 2-hydroxy-5-chloro acetophenone and 2-amino-4-phenyl thiazole have been synthesized and characterized on the basis of elemental analysis, Infrared, 1H NMR, molar conductance and magnetic susceptibilities analysis. The Schiff base acts as a monobasic bidentate ligand commonly coordinates through the oxygen atom of phenolic OH group and the nitrogen atom of azomethine group, which is confirmed by IR spectral data. All the met

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19

RAJIB, LAL DE, and KUMAR BHAR SANJIB. "Mixed-ligand Complexes of Cobalt(III) with Dimethylglyoxime." Journal of Indian Chemical Society Vol. 71, May 1994 (1994): 245–48. https://doi.org/10.5281/zenodo.5894738.

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Department ot Chemistry, lnorganic Chemistry Section, Jadavpur University, Calcutta-700 032 <em>Manuscript received 9 February 1993, revised 17 June 1993, accepted 23 June 1993</em> Mixed-ligand complexes of cobalt(III) of the types [Co(SBx)(DMGH)] and [Co(SBy)(DMGH)], where SBx = dianion of tetradentate Schiff base; SBy = monoanion of bidentate Schiff base; DMGH = monoanion of dimethylglyoxime, were isolated from the reaction of alcoholic suspension of cobalt(III) dimethylglyoximate dihydrate with Schiff bases in 1 : 1 and 1 : 2 molar ratios for SBx and SHy respectively. Further mixed-ligand

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20

P., R. Mandlik, R. Aswale S., and S. Aswar A. "Chromium(III), manganese(In), iron(III), oxovanadium(II), zirconium( IV) and dioxouranium(II) complexes of hydrazone of isonicotinic acid hydrazide." Journal of Indian Chemical Society Vol. 79, Aug 2002 (2002): 689–92. https://doi.org/10.5281/zenodo.5843423.

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Department of Chemistry, Amravati University, Amravati-444 602, India <em>Fax : </em>91-0721-662135 <em>Manuscript received 21 September 2001, revised 8 March 2002, accepted 5 April 2002</em> Coordination complexes of Cr<sup>Ill</sup>, Mn<sup>III</sup> Fe<sup>III </sup>VO<sup>II</sup>,Zr<sup>IV</sup> and UO2<sup>II</sup> with Schiff base derived from 2-hydroxy-5-methylacetophenone and isonicotinic acid hydrazide (HMAIH) have been prepared. The ligand acts as monobasic bidentate, monobasic tridentate and dibasic tridentate depending upon the reaction conditions. The thermal data

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21

El‐Boraey, Hanaa A., Randa M. Abdel‐Rahman, Ensaf M. Atia, and Ohyla A. EL‐Gammal. "Synthesis, spectral and thermal studies of new Schiff base copper(II) complexes with their biological effect on Entomopathogenic nematodes." Vietnam Journal of Chemistry 60, no. 2 (2022): 140–56. http://dx.doi.org/10.1002/vjch.202100080.

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AbstractNew Schiff base ligands; (Z)‐1,5‐diphenyl‐2‐((thiophen‐2‐ylmethylene)amino)‐1H‐pyrrole‐3‐carbonitrile (L1); or (Z)‐2‐((2,4‐dihydroxybenzylidene)amino)‐1,5‐diphenyl‐1H‐pyrrole‐3‐carbonitrile (H2L2) and their Cu(II) complexes have been isolated and characterized using elemental analysis, spectral (FT‐IR, 1H NMR, UV/vis, EPR), molar conductivity and magnetic moment measurements, in addition to thermal techniques. FT‐IR spectra established that the Schiff base L1 coordinates as neutral bidentate or tridentate ligand. While the Schiff base H2L2 ligates as neutral or monobasic bidentate liga

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22

Geethalakshmi, V., N. Nalini, S. S. Sabithamala, D. Tamilselvi, and C. T. Theivarasu. "Synthesis and Spectral Studies of Piprazine Schiff Base Lanthanide(III) Complexes and their Microbial and Anticancer Activity." Asian Journal of Chemistry 34, no. 1 (2021): 155–61. http://dx.doi.org/10.14233/ajchem.2022.23460.

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A novel Schiff base ligand has been synthesized by the condensation reaction of 1-(2-amino ethyl)piprazine with o-vanillin in methanol solution. Using lanthanide(III) metal ions (Ln3+ = La3+, Ce3+, Pr3+, Nd3+, Sm3+ and Gd3+) in methanol, six complexes of piprazine Schiff base were synthesized. All the lanthanide(III) complexes were characterized by IR, UV, NMR, TG-DTA, X-ray diffraction analysis and photoluminence. According to the spectral analysis piprazine act as a bidentate monobasic donor coordinating through the azomethine nitrogen and a phenyl oxygen atom. Antimicrobial studies of the s

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23

Journal, Baghdad Science. "Synthesis and Characterization of Novel Methyl 2-(1,7,7-Tri methylbicyclo[2.2.1]hept-2-yieldene)hydrazinecarbodithioate Schiff Bases Derived From Methylhydrazine carbodithioate And Their Bi(III) And Ag(II) Complexes." Baghdad Science Journal 10, no. 3 (2013): 607–17. http://dx.doi.org/10.21123/bsj.10.3.607-617.

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Novel bidentate Schiff bases having nitrogen-sulphur donor sequence was synthesized from condensation of racemate camphor, (R)-camphor and (S)-camphor with Methyl hydrazinecarbodithioate (SMDTC). Its metal complexes were also prepared through the reaction of these ligands with silver and bismuth salts. All complexes were characterized by elemental analyses and various physico-chemical techniques. These Schiff bases behaved as uninegatively charged bidentate ligands and coordinated to the metal ions via ?-nitrogen and thiolate sulphur atoms. The NS Schiff bases formed complexes of general formu

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24

Al-Karkhi, Isam Hussain T., Abeer Khalid Yaseen, and Hamsa Thamer Sadeq. "Synthesis and Characterization of Novel Methyl 2-(1,7,7-Tri methylbicyclo[2.2.1]hept-2-yieldene)hydrazinecarbodithioate Schiff Bases Derived From Methylhydrazine carbodithioate And Their Bi(III) And Ag(II) Complexes." Baghdad Science Journal 10, no. 3 (2013): 607–17. http://dx.doi.org/10.21123/bsj.2013.10.3.607-617.

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Novel bidentate Schiff bases having nitrogen-sulphur donor sequence was synthesized from condensation of racemate camphor, (R)-camphor and (S)-camphor with Methyl hydrazinecarbodithioate (SMDTC). Its metal complexes were also prepared through the reaction of these ligands with silver and bismuth salts. All complexes were characterized by elemental analyses and various physico-chemical techniques. These Schiff bases behaved as uninegatively charged bidentate ligands and coordinated to the metal ions via ?-nitrogen and thiolate sulphur atoms. The NS Schiff bases formed complexes of general formu

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25

Viswanathamurthi, P., N. Dharmaraj, and K. Natarajan. "Ruthenium(III) Complexes Containing Monofunctional Bidentate Schiff Bases." Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry 30, no. 7 (2000): 1273–85. http://dx.doi.org/10.1080/00945710009351833.

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26

Panda, C. R., V. Chakravortty, and K. C. Dash. "Dioxouranium(VI) complexes with bidentate heterocyclic Schiff bases." Journal of the Less Common Metals 135, no. 1 (1987): 77–86. http://dx.doi.org/10.1016/0022-5088(87)90340-7.

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27

Gao, Bo, Qian Duan, Yanhui Li, et al. "Stereoselective ring-opening polymerization of rac-lactides catalyzed by titanium complexes containing N,N-bidentate phenanthrene derivatives." RSC Advances 5, no. 18 (2015): 13437–42. http://dx.doi.org/10.1039/c4ra15822a.

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28

Sbirna, Liana-Simona, and Clementina Moldovan. "Structural description relying on characteristic spectral data for a series of iron complexes having Schiff bases as anionic bidentate ligands." Annals of the University of Craiova Series Chemistry 30, no. 1 (2024): 43–49. https://doi.org/10.52846/aucchem.2024.1.05.

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29

Gao, Bo, Dehai Zhao, Xiang Li, Yuan Cui, Ranlong Duan, and Xuan Pang. "Magnesium complexes bearing N,N-bidentate phenanthrene derivatives for the stereoselective ring-opening polymerization of rac-lactides." RSC Advances 5, no. 1 (2015): 440–47. http://dx.doi.org/10.1039/c4ra12548g.

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30

Coles, Simon J., Michael B. Hursthouse, David G. Kelly, Andrew J. Toner, and Neil M. Walker. "Schiff base insertion in titanium alkyls; reduction of imine functions by benzyl addition." Canadian Journal of Chemistry 77, no. 12 (1999): 2095–98. http://dx.doi.org/10.1139/v99-205.

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TiBz4 reacts with N-2-fluorenyl(salicylideneimine) to afford a crystallographically characterized titanium(IV) complex containing two conventional bidentate Schiff base ligands and two O-bound ligands in which the imine function has been reduced by the addition of benzyl and hydrogen moieties.Key words: insertion, nucleophilic additions, Schiff bases, titanium

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31

Bipin, H. Mehta, and D. Disale Sameer. "Synthesis, physicochemical characteristics and biological activity of ruthenium(III) complexes with bidentate (N, 0) Schiff bases." Journal of Indian Chemical Society Vol. 89, Mar 2012 (2012): 315–22. https://doi.org/10.5281/zenodo.5760246.

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Department of Chemistry, University of Mumbai, Vidyanagari, Kalina, Santacruz (E), Mumbai-400 098, India <em>E-mail </em>: bipin_281050@yahoo.com <em>Manuscript received 11 November 2010, revised 05 May 2011, accepted 20 June 2011</em> The octahedral ruthenium(lll) complexes have been prepared with bidentate Schiff bases derived from condensation of 2-amino-4-methylpyridine and 4-methylaniline with aromatic aldehydes. The obtained complexes were characterized on the basis of their elemental analysis, electronic spectra, magnetic moment, <strong>IR and <sup>1</sup>H NMR</strong> spectroscopy as

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32

Singh, Har Lal, and A. K. Varshney. "Synthetic, Structural, and Biochemical Studies of Organotin(IV) with Schiff Bases Having Nitrogen and Sulphur Donor Ligands." Bioinorganic Chemistry and Applications 2006 (2006): 1–7. http://dx.doi.org/10.1155/bca/2006/23245.

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Three bidentate Schiff bases having nitrogen and sulphur donor sequences were prepared by condensing S-benzyldithiocarbazate (NH2NHCS2CH2C6H5) with heterocyclic aldehydes. The reaction of diphenyltin dichloride with Schiff bases leads to the formation of a new series of organotin(IV) complexes. An attempt has been made to prove their structures on the basis of elemental analyses, conductance measurements, molecular weights determinations, UV, infrared, and multinuclear magnetic resonance (H1,C13, andS119n) spectral studies. Organotin(IV) complexes were five- and six-coordinate. Schiff bases an

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33

Patel, M. N., N. H. Patel, K. N. Patel, P. P. Dholakiya, and D. H. Patel. "Synthesis, Characterization, and Biocidal Studies of Some Transition Metal Complexes Containing Bidentate Monobasic Hydroxyaldehydes and a Neutral Bidentate Schiff Base." Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry 33, no. 1 (2003): 51–62. http://dx.doi.org/10.1081/sim-120016872.

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34

Labidi, N. S. "Nonlinear Optical Properties of Novel Mono-O-Hydroxy Bidentate Schiff Base: Quantum Chemical Calculations." International Journal of Metals 2013 (December 17, 2013): 1–5. http://dx.doi.org/10.1155/2013/964328.

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The semiempirical AM1 SCF method is used to study the first static hyperpolarizabilities β of some novel mono-O-Hydroxy bidentate Schiff base in which electron donating (D) and electron accepting (A) groups were introduced on either side of the Schiff base ring system. Geometries of all molecules were optimized at the semiempirical AM1. The first static hyperpolarizabilities of these molecules were calculated using Hyperchem package. To understand this phenomenon in the context of molecular orbital picture, we examined the molecular HOMO and molecular LUMO generated via Hyperchem. The study re

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V., V. RAMANUJAM, and SIVASANKAR B. "N-Salicylideneamino Acid Complexes of Nickel(II)." Journal of Indian Chemical Society Vol. 62, Oct 1985 (1985): 734–35. https://doi.org/10.5281/zenodo.6322732.

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Department of Inorganic Chemistry, University of Madras, A. C. College of Technology Campus, Madras-600 025 <em>Manuscript received 19 March 1985, accepted 29 October 1985</em> Complexes of nickel(II) with Schiff bases derived from the condensation of salicylaldehyde with the bidentate amino acids, DL-2-aminobutyric acid, <em>β</em>-alanine, 3-aminobutyric acid and 4-aminobutyric acid, and the potential tridentate amino acids, DL-asparagine and L-glutamine have been synthesised and characterised. The complexes are paramagnetic and may be assigned octahedral geometry both in soli

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Singh, Kiran, Yogender Kumar, Parvesh Puri, Chetan Sharma, and Kamal Rai Aneja. "Metal-Based Biologically Active Compounds: Synthesis, Spectral, and Antimicrobial Studies of Cobalt, Nickel, Copper, and Zinc Complexes of Triazole-Derived Schiff Bases." Bioinorganic Chemistry and Applications 2011 (2011): 1–10. http://dx.doi.org/10.1155/2011/901716.

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A series of cobalt, nickel, copper, and zinc complexes of bidentate Schiff bases derived from the condensation reaction of 4-amino-5-mercapto-3-methyl/ethyl-1,2,4-triazole with 2,4-dichlorobenzaldehyde were synthesized and tested as antimicrobial agents. The synthesized Schiff bases and their metal complexes were characterized with the aid of elemental analyses, magnetic moment measurements, spectroscopic and thermogravimetric techniques. The presence of coordinated water in metal complexes was supported by infrared and thermal gravimetric studies. A square planar geometry was suggested for Cu

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Basim H. Al-Zaid and Najat J. Al-Obaidi. "Synthesis and Spectral Studies of Cr(III), Mn(II), Co(II), Ni(II), Cu(II) and Cd(II) Complexes with New Bidentate (N,O) Schiff Base Ligand bearing an Oxime functional group." Journal of the College of Basic Education 20, no. 86 (2023): 939–48. http://dx.doi.org/10.35950/cbej.v20i86.9733.

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The new Schiff base ligand has been prepared viacondensation reaction of o-aminoacetophenonoximeand3-Ethoxysalicylaldehyde. This ligand has been characterized by different techniques such as, (IR, U.V-Vis) spectroscopy, (1H, 13C) NMR spectra, GC-Mass spectrum and micro-elemental analysis. Its Cr(III), Mn(II), Co(II), Ni(II) and Cu(II) complexes prepared and characterized by (IR, U.V-Vis) spectroscopy, magnetic susceptibility, conductivity measurements and atomic absorption. The ligand acts as monobasic bidentate with (N,O) set donar and coordinates through phenolic group oxygen atom and imine

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Dholakiya, Prakash P., and M. N. Patel. "Studies on Some Transition Metal Complexes with Bidentate Schiff Bases." Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry 34, no. 2 (2004): 371–82. http://dx.doi.org/10.1081/sim-120028307.

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Marcos, Mercedes, Jose Luis Serrano, Teresa Sierra, and M. Jose Gimenez. "Ferroelectric metallomesogenic palladium(II) complexes derived from bidentate Schiff bases." Chemistry of Materials 5, no. 9 (1993): 1332–37. http://dx.doi.org/10.1021/cm00033a025.

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Singh, Har Lal, and Jangbhadur Singh. "Synthesis of New Zirconium(IV) Complexes with Amino Acid Schiff Bases: Spectral, Molecular Modeling, and Fluorescence Studies." International Journal of Inorganic Chemistry 2013 (February 21, 2013): 1–10. http://dx.doi.org/10.1155/2013/847071.

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New zirconium(IV) complexes were synthesized with bidentate ligands and characterized by elemental analysis, molar conductance measurements, molecular weight determinations, IR, electronic, NMR (1H and 13C), fluorescence and molecular modeling studies. All the complexes are 1 : 2 electrolytes in nature and may be formulated as [Zr(L)2Cl2] (where L is Schiff bases of amino acids and substituted isatin). The analytical data showed that the Schiff-base ligand acts as bidentate toward zirconium ion via the azomethine nitrogen and carboxylate oxygen. The conductivity values between 8.5–12.6 Ω−1, mo

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G., S. Sanyal, K. Nath P., and Ganguly R. "Studies on oxovanadium(IV) and dioxouranium(VI) complexes of Schiff bases derived from pyrazine-2-carboxylic acid hydrazine and pyrazine-2,3-dicarboxylic acid dihydrazide with salicylaldehyde." Journal of Indian Chemical Society Vol. 79, Jan 2002 (2002): 54–57. https://doi.org/10.5281/zenodo.5840234.

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Department of Chemistry, University of Kalyani, Kalyani-741 235, India <em>E-mail : </em>rakesh_ganguly@yahoo.com                           <em>Fax : </em>91-33-5828282 <em>Manuscript received 6 September 2000, revised 16 March 2001, accepted 12 May 2001</em> Oxovanadium(IV) and dioxouranium(VI) complexes of Schiff bases (L and L') derived respectively from pyrazine-2-carboxylic acid hydrazide and pyrazine-2,3-dicarboxylic acid dihydrazide with salicylaldehyde h

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42

Drozdzak, Renate, Nele Ledoux, Bart Allaert, Ileana Dragutan, Valerian Dragutan, and Francis Verpoort. "Rational design and convenient synthesis of a novel family of ruthenium complexes with O,N-bidentate ligands." Open Chemistry 3, no. 3 (2005): 404–16. http://dx.doi.org/10.2478/bf02479271.

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AbstractA two step procedure for the synthesis of a novel family of homogeneous and immobilized Ru-complexes containing Schiff bases as O,N-bidentate ligands is described. The new Ru-complexes have been structurally characterized by IR, Raman,1H-,13C-NMR spectroscopy. The Schiff bases were associated with a diversity of inorganic and organic ligands such as chloride, phosphane, arenes, various carbenes (alkylidene, vinylidene, indenylidene and allenylidene as well as N-heterocyclic carbenes) and cyclodienes. By choosing a selective range of substituents for the Schiff base, useful physical and

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Prashanthi, Y., and Shiva Raj. "Synthesis and Characterization of Transition Metal Complexes with." Journal of Scientific Research 2, no. 1 (2009): 114–26. http://dx.doi.org/10.3329/jsr.v2i1.2732.

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The Schiff bases namely MIMFMA, MIMTMA and MIPMA have been prepared by reacting 3-amino-5-methyl isoxazole with 5-methyl furan-2-carboxyaldehyde, 5-methyl thiphene-2-carboxaldehyde and pyridine-2-carboxaldehyde. The Cu(II), Ni(II), Co(II), Zn(II) and VO(IV) have been prepared by reacting metal chlorides with those Schiff bases in an alchololic medium. The complexes are electrolytes in DMSO. These have been characterized by using elemental analysis, IR, UV-VIS, 1H, 13C, mass spectra, magnetic susceptibility, conductance measurements and thermo gravimetric studies. The complexes were found to ha

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Amalina, M. T., B. Hadariah, K. Karimah, and W. I. W. Nazihah. "Pd(II) Complexes with Nitrogen-oxygen Donor Ligands: Synthesis, Characterization and Catalytic Activity for Suzuki-Miyaura Cross-coupling Reaction." ASEAN Journal on Science and Technology for Development 31, no. 1 (2014): 15. http://dx.doi.org/10.29037/ajstd.24.

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Inexpensive bidentate Schiff base ligands (O1, O3) and their Pd(II) complexes (OPd1, OPd3) were successfully synthesized and characterized using CHN elemental analysis, FTIR, 1H and 13C NMR, melting point determination, molar conductivity and magnetic moment. It revealed that these Schiff bases behaved as bidentate ligands in their complexes. The spectral data indicated that the ligands co-ordinated through the phenolic oxygen and the azomethine nitrogen atoms. Magnetic momentdata suggested the existence of square planar Pd(II) complexes, while non-electrolytic behaviour indicated the absence

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B., H. Mehta, A. Pawanoji A., and A. Shaikh J. "Spectral and magnetic studies of cobalt(II), nickel(II) and palladium(II) metal with bidentate Schiff base ligands." Journal of Indian Chemical Society Vol. 87, Jul 2010 (2010): 779–84. https://doi.org/10.5281/zenodo.5792516.

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Department of Chemistry, University of Mumbai, Vidyanagari, Kalina, Santacruz (E), Mumbai-400 098, India <em>E-mail </em>: bipin_281050@yahoo.com <em>Manuscript received 26 June 2009, revised 7 October 2009, accepted 2 February 2010</em> The divalent metal complexes of cobalt, nickel and palladium have been prepared with bidentate Schiff bases derived by condensing 3-hydroxybenzaldehyde and 5-chlorosalicyladehyde with 4-hydroxybenzhydrazide. The complexes obtained were characterized on the basis of their elemental analysis, magnetic moment, conductance, IR, electronic, <sup>1</sup>H NMR as wel

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Shaikh, Julekha A. "Synthesis, Spectral Characterization and X–Ray Diffraction Studies of some Pd(II) Complexes with Schiff Bases." International Letters of Chemistry, Physics and Astronomy 36 (July 2014): 272–80. http://dx.doi.org/10.18052/www.scipress.com/ilcpa.36.272.

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The synthesis, spectroscopic and X – Ray Diffraction studies of some Pd(II) complexes with bidentate Schiff bases are reported here. These Schiff bases were derived by condensing aldehydes like 2-hydroxy-1-naphthaldehyde, 5-chloro salicyladehyde with amines like 4-nitro aniline, 4-methyl aniline and 4-methoxy aniline. The complexes were characterized on the basis of elemental analysis, molar conductivity, spectral (IR, 1H and electronic) as well as thermal analysis. All the Pd (II) complexes exhibit square planar geometry with 1:2 (metal : ligand) stoichiometry. The X- ray diffraction studies

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Shaikh, Julekha A. "Synthesis, Spectral Characterization and X–Ray Diffraction Studies of some Pd(II) Complexes with Schiff Bases." International Letters of Chemistry, Physics and Astronomy 36 (July 15, 2014): 272–80. http://dx.doi.org/10.56431/p-6z40h5.

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The synthesis, spectroscopic and X – Ray Diffraction studies of some Pd(II) complexes with bidentate Schiff bases are reported here. These Schiff bases were derived by condensing aldehydes like 2-hydroxy-1-naphthaldehyde, 5-chloro salicyladehyde with amines like 4-nitro aniline, 4-methyl aniline and 4-methoxy aniline. The complexes were characterized on the basis of elemental analysis, molar conductivity, spectral (IR, 1H and electronic) as well as thermal analysis. All the Pd (II) complexes exhibit square planar geometry with 1:2 (metal : ligand) stoichiometry. The X- ray diffraction studies

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Choudhary, Nosheen, David L. Hughes, Uwe Kleinkes, et al. "New tetradentate Schiff bases, their oxovanadium(IV) complexes, and some complexes of bidentate Schiff bases with vanadium(III)." Polyhedron 16, no. 9 (1997): 1517–28. http://dx.doi.org/10.1016/s0277-5387(96)00436-6.

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Mandlik, Prashant R., and Pallavi R. Deshmukh. "Synthesis, Spectral Characterization, Thermokinetics and Biological Studies of Co(II), Ni(II), Cu(II), Zn(II) and Zr(IV) Complexes Derived from Hydrazone Schiff Base." Scholars International Journal of Chemistry and Material Sciences 7, no. 12 (2024): 190–99. https://doi.org/10.36348/sijcms.2024.v07i12.002.

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Mononuclear Co(II), Ni(II), Cu(II), Zn(II) and Zr(IV) complexes with new bidentate Schiff base ligand 2-hydroxy-N’-(2-oxoindolin-3-ylidene)benzohydrazide (LH2) were synthesized and the complexes were characterized by elemental analysis, IR, FAB-mass, molar conductivities, magnetic measurements, electronic spectra and thermal analysis. The Cu(II) complex was additionally characterized by ESR study. The ligand behaves as a monobasic bidentate ligand, coordinating through azomethine Nitrogen and the deprotonated Oxygen atom. Analytical data suggested 1:2 (metal: ligand) mole ratio for all the com

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Sathya, M., and G. Venkatachalam. "Synthesis, Spectral and Catalytic Properties of Palladium(II) Complexes Containing Hydrazone Schiff Base Ligands." Asian Journal of Chemistry 34, no. 11 (2022): 2922–28. http://dx.doi.org/10.14233/ajchem.2022.23979.

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Palladium(II) complexes of bidentate hydrazone Schiff bases were synthesized and characterized by means of physico-chemical and spectroscopic (FT-IR, UV-vis and NMR) techniques. All the palladium(II) complexes were tested as catalyst for Suzuki-Miyaura and Sonogashira coupling reactions and exhibits moderate to good catalytic activity.

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