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Journal articles on the topic 'Bivalent metal complexes'

Author: Grafiati

Published: 5 June 2025

Last updated: 1 August 2025

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1

Sharfalddin, Abeer A., Abdul-Hamid Emwas, Mariusz Jaremko, and Mostafa A. Hussien. "Synthesis and theoretical calculations of metal-antibiotic chelation with thiamphenicol: in vitro DNA and HSA binding, molecular docking, and cytotoxicity studies." New Journal of Chemistry 45, no. 21 (2021): 9598–613. http://dx.doi.org/10.1039/d1nj00293g.

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2

AFKAR, K. ABD EL-HADI, H. H. EL-GHANDOUR AHMED, K. A. IBRAHIM MOHAMED, and M. DAR WISH FAIZA. "Complexes of 3-(p-Tolyl)-1-phenylpyrazol-5-ylthiourea with some Bivalent Metal Ions." Journal of Indian Chemical Society Vol. 72, Jul 1995 (1995): 469–70. https://doi.org/10.5281/zenodo.5905426.

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Chemistry Department, Faculty of Science, Cairo University. Giza, Egypt <em>Manuscript received 20 December 1988. revised 28 December 1993, accepted 20 January 1994</em> Complexes of 3-(p-Tolyl)-1-phenylpyrazol-5-ylthiourea with some Bivalent Metal Ions

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3

S., N. LIMAYE, and C. SAXENA M. "Some Ligational Aspects of Tartrazine. Stabilities and c.f.s.e. of Its Binary Complexes with Some Bivalent Metal lons." Journal of Indian Chemical Society Vol. 62, Mar 1985 (1985): 192–93. https://doi.org/10.5281/zenodo.6303192.

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Department of Chemistry, Dr. H. S. Gour Vishwavidyalaya, Sagar-470 003 <em>Manuscript received 13 March 1984, received 16 July 1984, accepted 19 January 1985</em> Practical<em> </em>proton-ligand stability constant of tartrazine (trzne) and metal-ligand stability constants of its 1 : 1 binary complexes with some bivalent metal ions, <em>\(viz\)., </em>UO\(_2^2\)+, VO<sup>2+</sup>, Be<sup>2+</sup>, Mn<sup>2+</sup>,+ Co<sup>2+</sup>,+ Ni<sup>2+</sup>, Cu<sup>2+</sup>+, Zn<sup>2+</sup>, Cd<sup>2+</sup> have been determined pH-metrically using Irving-Rossolti titration technique at 25° an

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4

Prasad, Bipin Bihari, and Ramjee Sah. "A biomimicing approach to the mixed ligand complexes of bivalent transition metal." International Journal of Applied Sciences and Biotechnology 1, no. 1 (2013): 16–20. http://dx.doi.org/10.3126/ijasbt.v1i1.7922.

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Metal complexes of the type ML1L2[M=Cu(II), Ni(II), and Co(II), L1=?,?'-dipyridyl(dipy.), L2=2-hydroxybenzalidine anthranilic acid (HBAA)] have been synthesized by using ?,?'-dipyridyl(dipy.), 2-hdroxybenzalidine anthranilic acid (HBAA) and metal(II) acetate. The resulting mixed ligand metal complexes have been characterized on the basis of elemental analysis, IR-spectra, electronic spectra, magnetic susceptibilities and molar conductance measurements. The antifungal and antibacterial activities of ligands and there metal complexes have been screened against Aspergillus flavus, Aspergillus fum

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5

M., M. MOSTAFA, K. T. MAKY A., and M. IBRAHIM K. "Metal Complexes Derived from Isobutyric Acid Hydrazide with Some Bivalent Metal Ions." Journal of Indian Chemical Society Vol. 62, Jan 1985 (1985): 27–30. https://doi.org/10.5281/zenodo.6302306.

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Department of Chemistry, Faculty of Science, Mansoura University, Egypt <em>Manuscript received 16 November 1983, accepted 10 August 1984</em> The preparation and characterisation of some new metal complexes derived from, isobutyric acid hydrazide (IBH), of the types [M(IBH)X<sub>2</sub>]. [M(IBH)<sub>2</sub>X<sub>2</sub>(M = Co<sup>II</sup>, Ni<sup>II</sup>, Cu<sup>ll</sup>, Zn<sup>II</sup>, Cd<sup>II</sup> and Hg<sup>II</sup> ; X = CI, Br) and [M(IBH)<sub>3</sub>X<sub>2</sub>.H<sub>2</sub>O] (M=Co<sup>II</sup>, Ni<sup>II</sup>, Cu<sup>II</sup>, Zn<sup>II</sup> and Cd<sup>II</sup>) are r

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6

Singh, B., and A. K. Srivastav. "Studies on Some Bivalent Metal Complexes of Schiff Bases." Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry 24, no. 9 (1994): 1523–36. http://dx.doi.org/10.1080/00945719408002578.

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7

Nagamani, Y. B., K. Hussain Reddy, K. Srinivasulu, D. Dhanalakshmi, and K. Anuja. "Antibacterial Activity and DNA Binding Properties of Bivalent Metal Complexes of Cuminaldehyde Acetoylhydrazone." Oriental Journal Of Chemistry 37, no. 5 (2021): 1125–31. http://dx.doi.org/10.13005/ojc/370516.

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Metallo-hydrazones having the formula [M(IBAH)2] (where, M = Ni(II), Cu(II) and Zn(II); IBAH = p-Isopropylbenzaldehyde acetoylhydrazone) are prepared and confirmed on the basis of physico-chemical and spectral analyses. Conductivity data revealed that the complexes are non-electrolytes. Metal-DNA interactions are investigated using absorption spectrophotometry. Binding constant (Kb) data revealed that the copper complex interact DNA more strongly than other complexes. Antibacterial activity studies indicated higher activity for complexes than the metal free hydrazone ligand. The copper compoun

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8

Chandra, Sulekh, Smriti Raizada, Monika Tyagi, and Archana Gautam. "Synthesis, Spectroscopic, and Antimicrobial Studies on Bivalent Nickel and Copper Complexes of Bis(thiosemicrbazone)." Bioinorganic Chemistry and Applications 2007 (2007): 1–7. http://dx.doi.org/10.1155/2007/51483.

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A series of metal complexes of Cu(II) and Ni(II) having the general composition[M(L)X2]with benzil bis(thiosemicarbazone) has been prepared and characterized by element chemical analysis, molar conductance, magnetic susceptibility measurements, and spectral (electronic, IR, EPR, mass) studies. The IR spectral data suggest the involvement of sulphur and azomethane nitrogen in coordination to the central metal ion. On the basis of spectral studies, an octahedral geometry has been assigned for Ni(II) complexes but a tetragonal geometry for Cu(II) complexes. The free ligand and its metal complexes

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9

S., N. DUBEY, and P. YADAV (Mrs.). "Synthesis and Characterisation of some Bivalent Metal lon Complexes of Thiocyanate or Iodide and Thiocarbohydrazide." Journal of Indian Chemical Society Vol. 68, Jun 1991 (1991): 350–52. https://doi.org/10.5281/zenodo.6156461.

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Department of Chemistry, Kurukshetra University, Kurukshetra-132 119 <em>Manuscript received 26 December 1990, revised 6 May 1991. </em><em>accepted 27 May 1991</em> Synthesis and Characterisation of some Bivalent Metal lon Complexes of Thiocyanate or Iodide and Thiocarbohydrazide.  

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10

HARI, PRASAD SRIVASTAVA, and KUMAR SRIVASTAVA RAJESH. "Physicochemical Studies of some 3d-Bivalent Transition Metal CompIexes of Glutathione (Reduced)." Journal of Indian Chemical Society Vol. 72, Jul 1995 (1995): 435–37. https://doi.org/10.5281/zenodo.5905066.

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Department of Chemistry. Faculty of Science. Banaras Hindu University. Varanasi-221 005 <em>Manuscript received 24 August 1993, accepted 13 January 1994</em> Manganese(II), cobalt(II), nickle(II), copper(II) and zinc(II) complexes of glutathione (reduced) have been prepared. All these complexes are 1:1 biruclear and octahedral complexes in which the ligand glutathione acts as a hexadentate ligand coordinating with the central metal ions through oxygen, nitrogen and thiol group. In addition, all the complexes have been tested for their antifungal activity.

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11

FAZLUR, RAHMAN, N. RASTOGI S., and K. JETLEY U. "Stability Constants of some Bivalent Metal Complexes with 2-Hydroxy-3,5-dimethylacetophenone Oxime." Journal of Indian Chemical Society Vol. 67, April 1990 (1990): 342. https://doi.org/10.5281/zenodo.6163860.

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Chemical Laboratories, D. N. College, Meerut-250 002 <em>Manuscript received 23 March 1989, revised 15 September 1989, accepted 10 November 1989</em> Stability Constants of some Bivalent Metal Complexes with 2-Hydroxy-3,5-dimethylacetophenone Oxime.

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12

A., K. SINHA, D. SINGH P., N. KFSHARI B., and K. MISHRA L. "Complexes of some Bivalent Metal Ions with 4-Salicylaldimino-3-mercapto-5-phenyl 1 ,2,4-triazole." Journal of Indian Chemical Society Vol. 66, Jun 1989 (1989): 408–9. https://doi.org/10.5281/zenodo.6140175.

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Department of Chemistry, Patna University, Patna-800 005  Manuscript <em>received 10 February 1988, revised 27 January 1989, accepted 18 April 1989</em> <em>Complexes of some Bivalent Metal Ions with 4-Salicylaldimino-3-mercapto-5-phenyl 1 ,2,4-triazole </em>

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13

M., SATYANARAYAN REDDY, and VENKATESHWAR REDDY K. "Equilibrium Studies on the System 4,6-Dimethyl-2-mercaptopyrimidine- Bivalent Metal Ion Complexes." Journal of Indian Chemical Society Vol. 73, Jul 1996 (1996): 345–46. https://doi.org/10.5281/zenodo.5897747.

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Department of Chemistry, Osmania University , Hyderabad -500 007 <em>Manuscript received 6 September 1994, revised 28 October 1994, accepted 25 November 1994</em> Equilibrium Studies on the System 4,6-Dimethyl-2-mercaptopyrimidine- Bivalent Metal Ion Complexes.

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14

D., C. DASH, K. PANDA A., MOHANTY H., and RENJITHA KUMARI (MISS). "Synthesis of Complexes of 2-(Benzothiazolyl-2' -aminoimino )-1,2-diphenylethanone with some Bivalent Transition Metal Ions." Journal of Indian Chemical Society Vol. 74, Oct 1997 (1997): 791–92. https://doi.org/10.5281/zenodo.5897067.

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P. G. Department of Chemistry, Sambalpur University, Jyotivihar-768 019 <em>Manuscript received 23 May /996, accepted 18 November 1996</em> Synthesis of Complexes of 2-(Benzothiazolyl-2' -aminoimino )-1,2-diphenylethanone with some Bivalent Transition Metal Ions.

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15

FLORES, Francisco J., and Juan F. MARTÍN. "Iron-regulatory proteins DmdR1 and DmdR2 of Streptomyces coelicolor form two different DNA-protein complexes with iron boxes." Biochemical Journal 380, no. 2 (2004): 497–503. http://dx.doi.org/10.1042/bj20031945.

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In high G+C Gram-positive bacteria, the control of expression of genes involved in iron metabolism is exerted by a DmdR [divalent (bivalent) metal-dependent regulatory protein] in the presence of Fe2+ or other bivalent ions. The dmdR1 and dmdR2 genes of Streptomyces coelicolor were overexpressed in Escherichia coli and the DmdR1 and DmdR2 proteins were purified to homogeneity. Electrophoretic mobility-shift assays showed that both DmdR1 and DmdR2 bind to the 19-nt tox and desA iron boxes forming two different complexes in each case. Increasing the concentrations of DmdR1 or DmdR2 protein shift

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16

MAHMOUD, A. S. MONSHI. "Transition Metal Complexes of 5-[ 4' -(Nitrophenyl)azo]salicylaldehyde-3-thiosemicarbazone." Journal of Indian Chemical Society Vol. 75, Mar 1998 (1998): 158–59. https://doi.org/10.5281/zenodo.5915665.

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Department of Chemistry, King Saud University, P.O. Box 2455, Riyadh-11451, Saudi Arabia <em>Manuscript received 25 September 1996, revised 2 June 1997, accepted 12 June 1997</em> Metal complexes formed by the interaction of 5-[4'-(nitrophenyl)azo]salicylaldehyde-3-thiosemicarbazone [HAT] with some bivalent metal ion have been prepared. The ligand behaves as neutral bidentate, as mononegative bidentate or tridentate ligand.

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17

R., C. SHARMA, AMBWANI J., and K. VARSHNEY V. "Synthetic and Antimicrobial Studies of some Heterocyclic Hydrazones and their Bivalent Metal Complexes." Journal of Indian Chemical Society Vol. 69, Nov 1992 (1992): 770–72. https://doi.org/10.5281/zenodo.6043985.

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Department of Chemistry. Institute of Basic Sciences, Khandari Road. Agra-282 002 <em>Manuscript received 27 November 1991, revised 20 July 1992, accepted 31 July 1992</em> Synthetic and Antimicrobial Studies of some Heterocyclic Hydrazones and their Bivalent Metal Complexes.    

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18

R., N. PATHAK, та K. MISHRA L. "Complexes of β-Isatin-4,4-dimethyl-3-thiosemicarbazone with some Bivalent Metal Ions". Journal of Indian Chemical Society Vol. 65, Feb 1988 (1988): 119–20. https://doi.org/10.5281/zenodo.6035487.

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Chemistry Department, Tata College, Chaibasa-833 202 Chemistry Department, Patna University, Patna-800 005 <em>Manuscript received 27 November 1986, revised 9 December 1987,</em><em>accepted 24 December 1987</em> Complexes of <em>β</em>-Isatin-4,4-dimethyl-3-thiosemicarbazone with some Bivalent Metal Ions.

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19

V., V. RAMANA, YAMUNA K., and SARASWATHI K. "Stability Constants of Metal Complexes of 1,2,4-Triazoles." Journal of Indian Chemical Society Vol. 68, Dec 1991 (1991): 666–67. https://doi.org/10.5281/zenodo.6135029.

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Department of Chemistry. S. V. University, Tirupati-517 502 <em>Manuscript received 21 May 1990, revised 2 December 1991, accepted 6 December 1991</em> The present study reports the stability constants of the metal complexes using bivalent Mn, Fe, Co, Ni, Cu and Zn with 4-amino-3-(methylphenyl)-5- mercapto-1 ,2,4-triazole (1), 4-amino-3-phenyl-5-mercapto-1,2,4-triazole (2), 4-amino-3-(p-cblorophenoxymethyl)-5-mercapto-1,2,4-triazole (3), 4-amino-3· (phenoxymethyl)-5-mercapto-1,2,4-triazole (4).

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20

Albotani, Asem S. A. "SYNTHESIS, CHARACTERIZATION, IN SILICO SCREENING FOR MOLECULAR DOCKING AND COMPUTATIONAL EXPLORATION OF SOME NOVEL METAL COMPLEXES DERIVED FROM AMPICILLIN - ISATINE SCHIFF BASES." New Materials, Compounds and Applications 9, no. 1 (2025): 109–22. https://doi.org/10.62476/nmca.91109.

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The ampicillin - Isatine Schiff base ligand was prepared from the Isatine and ampicillin which is an antibiotic belonging to the aminopenicillin class of the penicillin family. The drug is used to prevent and treat several bacterial infections and its novel Ni, Co, Mn, Zn and Cu complexes have been synthesized. The characterization of these new complexes has been made by physical properties in addition to microanalysis and FT-IR spectroscopic technique of FT-IR and the electronic spectra, molar conductivity of complexes which indicated the validity of two doner atoms and therefore that this co

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21

Chandra, Sulekh, Shikha Parmar, and Yatendra Kumar. "Synthesis, Spectroscopic, and Antimicrobial Studies on Bivalent Zinc and Mercury Complexes of 2-Formylpyridine Thiosemicarbazone." Bioinorganic Chemistry and Applications 2009 (2009): 1–6. http://dx.doi.org/10.1155/2009/851316.

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A series of metal complexes of Zn(II) and Hg(II) having the general composition [where L = 2-formylpyridine thiosemicarbazone; M = Zn(II) and Hg(II); X = , and ] have been prepared and characterized by elemental chemical analysis, molar conductance, and spectral (IR and mass) studies. The IR spectral data suggests the involvement of sulphur and azomethane nitrogen in coordination to the central metal ion. On the basis of spectral studies, a tetrahedral geometry has been assigned for Zn(II) and Hg(II) complexes. The free ligand and its metal complexes have been tested in vitro against a number

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22

Singh, B. "Studies on Thioamidopyridine Complexes of some 3d Bivalent Metal Ions." Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry 17, no. 5 (1987): 457–68. http://dx.doi.org/10.1080/00945718708070210.

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23

Singh, Bachcha, and Ashutosh K. Srivastav. "2-Aminoacetophenone-2-thenoylhydrazone complexes of bivalent 3d metal ions." Transition Metal Chemistry 14, no. 6 (1989): 415–19. http://dx.doi.org/10.1007/bf01092581.

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24

Yaocheng, Shi, Song QingBao, Wu Xiaoli, and Ma Yongxiang. "Formylferrocene 2-thenoyl hydrazone and its bivalent transition metal complexes." Polyhedron 13, no. 14 (1994): 2101–5. http://dx.doi.org/10.1016/s0277-5387(00)81489-8.

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25

Rakha, Tawfik H., Ahmed A. El-Asmy, Mohsen M. Mostafa, and Abd El-Ghany El-Kourshy. "Synthesis and structural studies on bivalent metal complexes of benzenesulphonylhydrazine." Transition Metal Chemistry 12, no. 2 (1987): 125–27. http://dx.doi.org/10.1007/bf01022337.

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26

Papavassilioua, G. C., G. A. Mousdis, A. Terzis, and C. P. Raptopoulou. "Excitonic Bands in the Optical Absorption Spectra of (Bu4N)CuBr2, (Et4N)2Cu2Br4, (Pr4N)2Cu4Br6, (Bu4N)2Cu2I4, (Me4N)Cu2I3, (Pr4N)4Ag4I8, (Me4N)Ag2I3, (Et4N)Ag2Br3, and Similar Compounds." Zeitschrift für Naturforschung B 54, no. 1 (1999): 109–12. http://dx.doi.org/10.1515/znb-1999-0120.

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The title compounds (natural low-dimensional semiconductor systems) exhibit strong excitonic optical absorption bands in the UV spectral region, because of the quantum confinement of excitons, as in the cases of bivalent-metal and trivalent-metal halide complexes. The excitonic bands are shifted to longer wavelengths, approaching those of the corresponding bulk materials, as the anion-size or the anion-dimensionality increases.

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27

Shalinee and Sanjay Kumar. "Heterocyclic Schiff Base Complexes of Bivalent Transition Metals: Microwave-Assisted Green Synthesis, Structure Elucidation and Antimicrobial Studies." Chemical Science International Journal 33, no. 5 (2024): 41–51. http://dx.doi.org/10.9734/csji/2024/v33i5915.

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A heterocyclic Schiff base ligand [LH] namely {5‐[(E)‐[(1H‐pyrrol‐2‐yl)methylidene]amino]‐ 1,3,4‐thiadiazole‐2‐thiol}(NNN donor) and its divalent transition metals (Co2+, Ni2+, Cu2+ and Zn2+) mononuclear complexes were synthesised efficiently in relatively very short times (from one-two hours to 6-15 minutes) with higher yields [from 59% (conventional method) to 90% (green method)] by microwave-assisted greener process is presented here. The ligand and its complexes were characterised by elemental analysis, molar conductance, and magnetic susceptibility measurements and spectroscopic (IR, elec

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28

Srinivasulu, K., K. Hussain Reddy, D. Dhanalakshmi, K. Anuja, and Y. B. Nagamani. "Spectral Characterization, DNA Binding and Antibacterial Studies of Heterolyptic Metal Complexes with 2-Acetylthiophene-4-phenyl-3-thiosemicarbazone and 2,2′-Bipyridyl." Asian Journal of Organic & Medicinal Chemistry 6, no. 2 (2021): 84–91. http://dx.doi.org/10.14233/ajomc.2021.ajomc-p318.

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Heterolyptic metal complexes having the composition M(Bpy)Cl2 (where, M = Cu(II), Ni(II) and Co(II); Bpy = 2,2′-bipyridyl) were reacted with 2-acetylthiophene-4-phenyl-3-thiosemicarbazone (ATPT) to produce bivalent metal complexes with molecular formula M(Bpy)(ATPT)Cl·H2O. The complexes were characterized using physical (molar conductivity) and spectral (mass spectra, infrared and electronic spectroscopies) methods. Electrochemical behaviour of the complexes was revealed using cyclic voltammetry. The Cu(II)/Cu(I) couple complexes show a quasi-reversible cyclic voltammetric responses. The DNA b

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29

CH., NAGARJUN RAO, C. RAJANNA K., UMA DEVI Y., and K. SAIPRAKASH P. "Formation Constants of Bivalent Transition Metal Complexes with some 1-(3-Phenyl-5- hydroxy-4-isoxazolylazo)-4-sulphonic Acids." Journal of Indian Chemical Society Vol. 65, Sep 1988 (1988): 669–70. https://doi.org/10.5281/zenodo.6058579.

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Department of Chemistry, Nizam College, Osmania. University, Hyderabad-500 001 <em>Manuscript received 23 October 1987, revised 7 June 1988, accepted 16 June 1988</em> Formation Constants of Bivalent Transition Metal Complexes with some 1-(3-Phenyl-5-hydroxy-4-isoxazolylazo)-4-sulphonic Acids.

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30

V., B. Badwaik, G. Mahale R., B. Devhade J., and S. Aswar A. "Synthesis, characterization, thermal, electrical and antibacterial studies of complexes of bivalent metal ions." Journal of Indian Chemical Society Vol. 82, Sep 2005 (2005): 777–80. https://doi.org/10.5281/zenodo.5827296.

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Department of Chemistry, Amravati University, Amravati-444 602, India <em>E-mail</em> : aswar2341@rediffmail. com <em>Manuscript received 20 August 2003, revised 4 July 2005, accepted 5 July 2005</em> Metal complexes of Mn<sup>II</sup> , Fe<sup>II</sup> , Co<sup>II</sup> , Nin, Cu<sup>II</sup> , zn<sup>II</sup> and Cd<sup>II</sup> with 2-amino-4-(2-hydroxy-5-methylphenyl)thiazole (AHMPTZ) have been synthesized. Isolated complexes have been characterized by elemental analysis, magnetic measurements, IR and electronic spectral data and thermogravimetry. The solid state conductivity of ligand and

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31

Varadwaj, Pradeep R., Arpita Varadwaj, and Bih-Yaw Jin. "Ligand(s)-to-metal charge transfer as a factor controlling the equilibrium constants of late first-row transition metal complexes: revealing the Irving–Williams thermodynamical series." Physical Chemistry Chemical Physics 17, no. 2 (2015): 805–11. http://dx.doi.org/10.1039/c4cp03953j.

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A., D. Bansod, G. Mahale R., and S. Aswar A. "Synthesis, characterization and electrical conductivity of some bivalent metal complexes of ONS donor ligand." Journal of Indian Chemical Society Vol. 83, Aug 2006 (2006): 777–81. https://doi.org/10.5281/zenodo.5827172.

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Department of Chemistry, Amravati University, Amravati-444 602, Maharashtra. India E-mail : aswar2341@rediffmail.com <em>Manuscript received 14 June 2005, revised 2 May 2006, accepted 11 May 2005</em> The solid complexes of VO<sup>IV</sup>, Mn<sup>II</sup>, Fe<sup>II</sup>, Co<sup>II</sup>, Ni<sup>II</sup>, Cu<sup>II</sup> , Zn<sup>II</sup> and Cd<sup>II</sup> with a new tridentate ligand 3- {(1 E)-N-(benzylthio)carbonothioyl]ethanehydrazonoyl} -4-hydroxybenzoic acid derived from 5-carboxy-2- hydroxyacetophenone and S-benzyldithiocarbazate, have been synthesized and characterized by analytical

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33

R., B. JOHARI, and C. SHARMA R. "Synthetic and Biocidal Studies of some Bivalent Metal Complexes of Benzal-dehyde-salicyloylhydrazones." Journal of Indian Chemical Society Vol. 65, Nov 1988 (1988): 793–94. https://doi.org/10.5281/zenodo.6090610.

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Department of Chemistry, Agra University, Agra-282 002 <em>Manuscript received 14 December 1987, revised 26 July 1888, accepted 10 August 1988</em> WE describe here the complexes of bivalent Co, Ni, Cu and Zn with benzaldehyde-salicyloylhydrazone (BSH or HL). The complexes were characterised by elemental, magnetic, conductance and ir and electron spectral data. Biocidal activity of the metal chelates on fungi<em> Aspergillus</em> niger and A. nidulence at 37° in agar agar culture media was found to be several folds higher than that of BSH.

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34

Al-Halbosy, Ahmed T. F., Adnan A. Hamada, Ahmed S. Faihan, et al. "Thiourea Derivative Metal Complexes: Spectroscopic, Anti-Microbial Evaluation, ADMET, Toxicity, and Molecular Docking Studies." Inorganics 11, no. 10 (2023): 390. http://dx.doi.org/10.3390/inorganics11100390.

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The treatment of N-Phenylmorpholine-4-carbothioamide (HPMCT) with bivalent metal ions in a 2:1 mol ratio without a base present affords [MCl2(κ1S-HPMCT)2] {M = Cu(1), Pd(2), Pt(3), and Hg(4)} in a good yield. Furthermore, the reaction of two equivalents of HPMCT and one equivalent of bivalent metal ions in the presence of Et3N has afforded [M(κ2S,N-PMCT)2] {M = Ni(5), Cu(6), Pd(7), Pt(8), Zn(9), Cd(10), and Hg(11)}. Infrared, 1H, 13C Nuclear Magnetic Resonance molar conductivity, and elemental analysis were used to characterize the synthesized complexes. The results suggest that HPMCT is bonde

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35

C. Anbarasi, S. Kokila, and K. Saravanan. "Spectral and Thermal Studies on Bivalent Transition Metal Complexes of Oxalic Acid with Morpholine." Journal of Environmental Nanotechnology 7, no. 3 (2018): 18–21. http://dx.doi.org/10.13074/jent.2018.09.183318.

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Morpholinium transition metal oxalates of the formula (MorpH)2[MII(ox)2 (H2O)2].2H2O, where M = Co, Ni have been prepared by the reaction of respective metal nitrates with aqueous solution of morpholinium oxalate salts in appropriate mole ratios. These compounds have been characterized by various physico-chemical techniques like elemental analysis, conductance measurements, UV-Vis, IR, TG-DTA, XRD and SEM studies. The elemental analysis confirms the desired composition of the complexes. Conductance measurements show that all the complexes behave as 2:1 electrolytes, augmenting the non-coordina

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P., P. SANGODKAR, and MAYADEO M.S. "Stability Constants of Complexes of home Bivalent Metal Ions with N-(2-Hydroxy-3-metboxybenzyli- dene)-2,6-dimethylaniline and N-(2-Hydroxy-3-methoxybenzylidene )-2,4-dimetbylaniline." Journal of Indian Chemical Society Vol. 63, Mar 1986 (1986): 336–39. https://doi.org/10.5281/zenodo.6254741.

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Department of Chemistry, Ramnarain Ruia College, Matunga, Bombay-400 019 <em>Manuscript received 30 July 1985, accepted 17 January 1986</em> Stability Constants of Complexes of home Bivalent Metal Ions with <em>N</em>-(2-Hydroxy-3-metboxybenzyli- dene)-2,6-dimethylaniline and <em>N</em>-(2-Hydroxy-3-methoxybenzylidene )-2,4-dimetbylaniline

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37

Satheesh, Dhurairaj, S. Kannan, A. Gomathi, and M. Syed Ali Padusha. "Organic Ligand 1-(1-Morpholino-1-(Thiophen-2-yl)Ethyl)-3-Phenylurea: Synthesis, Characterization, Derivatives and Exploration of Bioactivity." Mapana Journal of Sciences 22, no. 3 (2023): 119–39. https://doi.org/10.12723/mjs.66.6.

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Organic compounds possessing a comparatively higher number of nitrogens have gained attention in the upcoming fields of medicine and research. Synthesizing new drugs with a greater number of nitrogen atoms in their structure skeleton places challenges. Unique features, say lipophilicity carried by Mannich bases and their bivalent metal coordination complexes, claim themselves to be potential sources [1-3]. Heterocyclic organic compounds rooted through amines and amides possess enhanced absorption through bio-membranes because of their lipophilicity which results in boundless pharmaceutical app

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38

A., C. HIREMATH, B. HALLI M., and V. HUGGI N. "Complexes of 3,4-Dihydro-4-oxobenzofuro[3,2-d]pyrimidine with some Bivalent Metal Ions." Journal of Indian Chemical Society Vol. 62, Sep 1985 (1985): 642–44. https://doi.org/10.5281/zenodo.6321948.

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Department of Chemistry, Gulbarga University, Gulbarga-585 106 <em>Manuscript received 25 October 1983, revised 16 </em>April <em>1984, accepted 11 September 1985</em> Complexes of Co<sup>II</sup>, Ni<sup>II</sup>, Cu<sup>II</sup>, Zn<sup>II</sup>, Cd<sup>II</sup> and Hg<sup>II</sup> metal ions with 3,4-dihydro-4- oxobenzofuro[3,2-<em>d</em>]pyrimidine(L) have been synthesised. Their structural features have been investigated on the basis of elemental analyses, electronic and infrared spectral data. The ligand field parameters Dq, B' and <em>β</em><em> </em>are calculated for Co<sup>I

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39

R., R. PRASAD, K. MISHRA L., K. CHOUDHARY RATAN, M. JHA C., and K. JHA J. "Donor Behavior of Trithiocarbodiglycolic Acid with Some Bivalent Metal Ions." Journal of Indian Chemical Society Vol. 75, Sep 1998 (1998): 499–500. https://doi.org/10.5281/zenodo.5924844.

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Department of Chemistry, Patna University, Patna-800 005 L<strong>. </strong>N. Mithila University, Darbhanga-846 004 <em>Manuscript received 18 July 1996, revised 25 November 1997, accepted 30 April 1998</em> Complexes of trithiocarbodiglycolic acid (LH<sub>2</sub>) with bivalent metal ions of the formulae [ML(H<sub>2</sub>O)2] (M = Co<sup>ll</sup>, Ni<sup>ll</sup>, Mn or Cd<sup>II</sup>} and [CuL(H<sub>2</sub>O)] have been prepared and characterised by magnetic moment, it and electronic spectral data.

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40

Dunstan, Pedro Oliver, and Abdul Majeed Khan. "Synthesis, characterization and thermochemistry of piperazine complexes of bivalent metal bromides." European Journal of Chemistry 4, no. 3 (2013): 250–54. http://dx.doi.org/10.5155/eurjchem.4.3.250-254.791.

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Singh, B., and A. K. Srivastav. "Studies on Some Bivalent Metal Complexes of 2-Amino-benzophenone Salicylaldazine." Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry 26, no. 5 (1996): 819–30. http://dx.doi.org/10.1080/00945719608004337.

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Bansod, A. D., R. G. Mahale, and A. S. Aswar. "Synthesis, characterization, electrical and biological studies on some bivalent metal complexes." Russian Journal of Inorganic Chemistry 52, no. 6 (2007): 879–83. http://dx.doi.org/10.1134/s0036023607060113.

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Haneda, Tadayuki, Yoshie Inomata, and Frank Scott Howell. "Characterization and crystal structures of bivalent metal complexes with quinic acid." Journal of Inorganic Biochemistry 67, no. 1-4 (1997): 303. http://dx.doi.org/10.1016/s0162-0134(97)80174-2.

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Narang, K. K., and Meena Kumari Singh. "Synthesis and studies of some bivalent transition metal complexes with acylhydrazones." Inorganica Chimica Acta 131, no. 2 (1987): 241–45. http://dx.doi.org/10.1016/s0020-1693(00)96032-8.

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Sherys, A. Y., A. N. Gurov, and V. B. Tolstoguzov. "Water-insoluble triple complexes: Bovine serum albumin-bivalent metal cation-alginate." Carbohydrate Polymers 10, no. 2 (1989): 87–102. http://dx.doi.org/10.1016/0144-8617(89)90059-3.

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Reddy, P. Rabindra, and T. K. Adharani. "Structure and stabilities of bivalent metal-xanthosine monophosphate complexes in solution." Journal of Inorganic Biochemistry 36, no. 3-4 (1989): 294. http://dx.doi.org/10.1016/0162-0134(89)84435-6.

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Louloudi, M., and N. Hadjiliadis. "Complexes of thiamine, 2-active acetaldehyde derivatives with bivalent metal ions." Journal of Inorganic Biochemistry 36, no. 3-4 (1989): 296. http://dx.doi.org/10.1016/0162-0134(89)84440-x.

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Louloudi, M., and N. Hadiiliadis. "Complexes of active aldehyde derivatives of Thiamine with bivalent metal ions." Journal of Inorganic Biochemistry 43, no. 2-3 (1991): 445. http://dx.doi.org/10.1016/0162-0134(91)84427-b.

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BHAGWAN, S. GARG, JAYAPAL REDDY M, KUMAR VlNOD, and B. AGGARWAL MANJU. "Synthesis and Characterisation of some Transition Metal Complexes of N,N'-Bis(2-aminobenzoyl)ethylenediamine." Journal of Indian Chemical Society Vol. 70, Nov-Dec 1993 (1993): 1017–21. https://doi.org/10.5281/zenodo.5948719.

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Department of Chemistry, University of Delhi, Delhi-11 0 007 <em>Manuscript received 12 August 1993</em> Novel complexes of <em>N,N'</em>-bis(2-aminobenzoyl)ethylenediamine with some bivalent and trivalent transition metal ions have been synthesised. All the compounds have been characterised using elemental analysis, magnetic, ir, electronic and epr spectral studies.

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G., MALLIKARJUN RAO, PANGUNOORI RAMESH, and RAM KASHI. "Complex Equilibrium Studies on Aminomethylenephosphonic-N-carboxylic Acids with some Bivalent Metal Ions." Journal of Indian Chemical Society Vol. 74, Feb 1997 (1997): 94–96. https://doi.org/10.5281/zenodo.5871246.

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Department of Chemistry. Osmania University, Hyderabad-500 007 <em>Manuscript received 12 September 1994. revised 31 July 1995. accepted 8 August 1995</em> Complex equilibrium studies on some aminomethylynephosphonic acids like N-phosphonomethyliminodiacetic acid (NPMI) and<em> N</em>· phosphonomethylglycine (NPMG) for the determination of stability constants with a few bivalent metal ions, viz. Be, Zn and Cd have been carried out in an aqueous medium at 0.10 <em>M</em> (KNO<sub>3</sub>) ionic strength and 20, 30, 40 and 50º by employing pH-metric titration techniques. NPMI forms s

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