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Journal articles on the topic 'Ambidentate group'

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Published: 5 June 2025

Last updated: 1 August 2025

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1

Graham, AJ, PC Healy, JD Kildea, and AH White. "Lewis-Base Adducts of Group 11 Metal(I) Compounds. XLVI. Synthesis and Conformational Systematics of Some Novel Polymeric Adducts of Pyridine-4-carbonitrile With Copper(I) Halides." Australian Journal of Chemistry 42, no. 1 (1989): 177. http://dx.doi.org/10.1071/ch9890177.

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The isolation and structural characterization of 1 : 1 adducts of copper(1) chloride (1) and bromide (2) with pyridine-4-carbonitrile (L) is described; crystals of the two complexes are isomorphous (monoclinic, P21/c, a ≈ 3.9, b ≈ 14.7, c ≈ 13.0 � , β ≈ 96°, Z 4; R0.047, 0.063 for No 630, 707 'observed' reflections respectively). Unlike the 1 : 1 adducts with the parent pyridine and benzonitrile ligands which are 'stair' polymers, these complexes comprise 'split-stair' strands woven into a two-dimensional sheet by crosslinking ambidentate ligands. Cu-N ( nitrile ) (1.942(9), 1.96(1) � ) are ap

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2

N., Ravi Kumar Reddy, Bhoopal M., and Satyanarayana S. "Synthesis of thiocyanato(pyridine )cobaloximes." Journal of Indian Chemical Society Vol. 80, July 2003 (2003): 677–79. https://doi.org/10.5281/zenodo.5835358.

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Department of Chemistry, Osmania University, Hyderabad-500 007, India <em>E-mail</em> : ssnsirasani@yahoomail.com <em>Manuscript received 9 July 2002, revised 20 November 2002, accepted 31 January 2003</em> Octahedral cobalt(III) complexes are formed by the aerial oxidation of cobalt(II) salts in the presence of dimethylglyoxime and pyridines. The oximes are bonded as bidentate chelates occupying the planar positions and the complexes have <em>trans</em>-octahedral geometry with pyridines and thiocyanate in the axial positions. NMR observation suggests that in solution these compounds exist as

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3

Leis, J. Ramón, M. Elena Peña, and Ana M. Ríos. "Nucleophilic reactivity towards ‘normal’ and ambidentate electrophiles bearing the nitroso group." J. Chem. Soc., Perkin Trans. 2, no. 3 (1995): 587–93. http://dx.doi.org/10.1039/p29950000587.

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4

Homolya, L., S. Strueß, and W. Preetz. "Kristallstrukturen, Schwingungsspektren und Normalkoordinatenanalyse von cis-[ReCl4X2]2-, X = NCS, NCSe / Crystal Structures, Vibrational Spectra and Normal Coordinate Analysis of cis-[ReCl4X2]2-, X = NCS, NCSe." Zeitschrift für Naturforschung B 53, no. 11 (1998): 1329–34. http://dx.doi.org/10.1515/znb-1998-1117.

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The crystal structures of cis-(n-Bu4N)2[ReCl4(NCS)2] (triclinic, space group P1̅, a = 11,245( 1), b = 20.174(3), c = 21.320(8) Å, a =109.06(2), β = 96.46(2), γ = 98.22(5)°, Z = 4) and cis-(Ph4P)2[ReCl4(NCSe)2]·2CH2Cl2 (triclinic, space group P1̅, a = 10.341(2), b = 13.436(3), c = 19.616(4) Å, α = 92.70(2), β = 92.02(2), γ = 89.99( 1)°, Z= 2) have been determined by single crystal X-ray diffraction analysis. Both ambidentate ligands NCS and NCSe are bonded via the N atom. Using the molecular parameters of the X-ray determinations the low temperature (10 K) IR and Raman spectra of the (n-Bu4N) s

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5

Domasevitch, Konstantin V., Victor V. Skopenko, and Eduard B. Rusanov. "Synthesis, Infrared and X-Ray Studies of Diphenyltellurium(IV) Nitrosocarbamylcyanmethanides. X-Ray Evidence for Stability of a Tritelluroxane Fragment -Ph2Te-O-Ph2Te-O-Ph2Te-." Zeitschrift für Naturforschung B 51, no. 6 (1996): 832–37. http://dx.doi.org/10.1515/znb-1996-0613.

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Abstract Diphenyltellurium(IV) derivatives of the types Ph2Te{ACO}2 (1), Ph4Te2O{ACO}2 (2) and Ph6Te3O2{ACO} (3) (ACO = nitrosocarbamylcyanmethanide -ONC(CN)C(O)NH2) have been prepared. The IR spectroscopic data reveal that the ambidentate ligands are coordinated to the tellurium(IV) atom in a monodentate manner via the nitroso oxygen atom. The crystal and molecular structure of 3 has been determined from X-ray diffraction data (triclinic, space group P1̅ with a = 12.382(2), 6=13.100(2), c = 14.944(3) Å, a = 87.74( 1), β = 85.04(2), 7 = 66.29( 1)°, V = 2211.0 A , Z = 2, R = 0.040). The structu

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6

Kutniewska, Sylwia E., Adam Krówczyński, Radosław Kamiński, et al. "Photocrystallographic and spectroscopic studies of a model (N,N,O)-donor square-planar nickel(II) nitro complex: in search of high-conversion and stable photoswitchable materials." IUCrJ 7, no. 6 (2020): 1188–98. http://dx.doi.org/10.1107/s205225252001307x.

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A new, cheap, easy-to-synthesize and air-stable photoswitchable nickel(II) complex, QTNiNO2, is reported. The metal centre in QTNiNO2 is coordinated by a nitro group and a [2-methyl-8-aminoquinoline]-1-tetralone ligand. The compound crystallizes in the tetragonal space group I41/a with one complex molecule comprising the asymmetric unit, and the crystals are stable under ambient conditions. Irradiation of the solid-state form of QTNiNO2 with 530–660 nm LED light at 160 K converts the ambidentate nitro moiety fully to the nitrito linkage isomer which is stable up to around 230 K, as indicated b

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7

Dickie, Diane A., Ujwal Chadha, and Richard A. Kemp. "P- and N-Coordination of the Ambidentate Ligand HN[P(i-Pr)2]2 with Group 13 Trihalides." Inorganic Chemistry 56, no. 12 (2017): 7292–300. http://dx.doi.org/10.1021/acs.inorgchem.7b01051.

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8

Ulantikov, Anton A., Taisiya S. Sukhikh, Evgeniy N. Gribov, et al. "Thermally Controlled Synthesis of Octahedral Rhenium Clusters with 4,4′-Bipyridine and CN− Apical Ligands." Symmetry 13, no. 11 (2021): 2187. http://dx.doi.org/10.3390/sym13112187.

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The selective preparation, structural and spectroscopic study of two new rhenium cluster complexes trans-[Re6S8(bpy)4(CN)2] and trans-[Re6S8(bpy)2(CN)4]2− (bpy = 4,4′-bipyridine) obtained by reactions of corresponding hexarhenium cyanohalides with molten bpy are reported. The complexes were crystallized as solvates, displaying supramolecular structures based on cluster units linked by numerous weak interactions with bpy molecules. The molecular compound trans-[Re6S8(bpy)4(CN)2] (1) is insoluble in water and common organic solvents, while the ionic compound trans-Cs1.7K0.3[Re6S8(bpy)2(CN)4] (2)

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9

Amirkhanov, Vladimir M., Joachim Sieler, Victor A. Trush, Vladimir A. Ovchynnikov, and Konstantin V. Domasevitch. "Synthesis, IR and X-Ray Studies of a Dioxouranium(VI) Nitrate Complex with N,N′-Tetraethyl-N″ -trichloracetylphosphortriamide." Zeitschrift für Naturforschung B 52, no. 10 (1997): 1194–98. http://dx.doi.org/10.1515/znb-1997-1008.

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A new dioxouranium(VI) nitrate complex with N,N′-tetraethyl-N″-trichloracetylphosphortriamide (HL = CCl3C(O)N(H)P(O)(NEt2)2) of composition UO2 (HL)2(NO3)2 (1) has been synthesised. The IR spectroscopic data reveal that the ambidentate ligand is coordinated to the metal center in a monodentate manner via the phosphoryl oxygen atom. The crystal and molecular structure of 1 has been determined from X-ray diffraction data (triclinic, space group P1̄ with a = 9.225(2), b = 10.360(2), c = 12.249(2) Å, α = 100.02 (1), β = 103.81(1), γ = 108.80 (1)°, Z = 1; R = 0.037 for 4092 unique reflections. The

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10

Loeb, Stephen J., and George K. H. Shimizu. "Complexes of the crown thioether ligand 2,5,8-trithia[9]-o-benzenophane, (TT[9]OB). Synthesis and molecular structure of [Cu(NCS)(TT[9]OB)]." Canadian Journal of Chemistry 69, no. 7 (1991): 1141–45. http://dx.doi.org/10.1139/v91-169.

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The macrocyclic thioether ligand 2,5,8-trithia[9]-o-benzenophane (TT[9]OB) reacts with [Cu(CH3CN)4][ClO4] to yield the Cu(I) complex [Cu(CH3CN)(TT[9]OB)][ClO4]. The coordinated acetonitrile molecule is displaced by the ambidentate, thiocyanate (NCS)− ion to form the neutral complex [Cu(NCS)(TT[9]OB)] which was characterized by infrared spectroscopy, 1H NMR spectroscopy, and X-ray crystallography. The title complex crystallized in the orthorhombic space group Pbca with a = 14.447(3) Å, b = 15.034(4) Å, c = 14.851(4) Å, V = 3232.2(14) Å3, and Z = 8. The structure refined to R = 5.15% and Rw = 5.

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11

Trush, Victor A., Jolanta Swiatek-Kozlowska, Victor V. Skopenko та Vladimir M. Amyrkhanov. "A New Binuclear Lutetium(III) Dimethyl-N-trichloroacetylamidophosphate Complex with a γ, γ'-Dipyridyl Bridge, {Lu[CCl3C(O)NP(O)(OCH3)2]3}2-μ(γ,γ'-dipy)". Zeitschrift für Naturforschung B 56, № 3 (2001): 249–54. http://dx.doi.org/10.1515/znb-2001-0306.

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Abstract A new type of binuclear coordination compound of lutetium, {Lu2L6 · μ-(γ,γ '-dipy)} (where L = dimethyl-N-trichloroacetylamidophosphate anion and γ,γ '-dipy = 4,4'-dipyridyl), has been obtained. The IR spectroscopic data reveal that the ambidentate phosphoryl ligand is coordinated to the metal center in a bidentate manner via the phosphoryl and carbonyl oxygen atoms. The crystal and molecular structure of {Ln2L6-μ-(γ ,γ '-dipy)} has been determined by means of X-ray diffraction (triclinic, space group P i with parameters: a = 9.259(2), b = 12.530(3), c = 16.548(3) Å, α = 85.44(3)°, β

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12

Akai, Shuji, Takashi Ikawa, Sho-ichi Takayanagi, et al. "Synthesis of Biaryl Compounds through Three-Component Assembly: Ambidentate Effect of thetert-Butyldimethylsilyl Group for Regioselective Diels-Alder and Hiyama Coupling Reactions." Angewandte Chemie International Edition 47, no. 40 (2008): 7673–76. http://dx.doi.org/10.1002/anie.200803011.

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13

Akai, Shuji, Takashi Ikawa, Sho-ichi Takayanagi, et al. "Synthesis of Biaryl Compounds through Three-Component Assembly: Ambidentate Effect of thetert-Butyldimethylsilyl Group for Regioselective Diels-Alder and Hiyama Coupling Reactions." Angewandte Chemie 120, no. 40 (2008): 7787–90. http://dx.doi.org/10.1002/ange.200803011.

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14

Sharutin, Vladimir V., Olga K. Sharutina, and Alena R. Tkacheva. "SYNTHESIS AND STRUCTURE OF POTASSIUM TETRAETHYLAMMONIUM HEXATHIOCYANATOPLATINATE(IV)." IZVESTIYA VYSSHIKH UCHEBNYKH ZAVEDENIY KHIMIYA KHIMICHESKAYA TEKHNOLOGIYA 61, no. 12 (2018): 63–67. http://dx.doi.org/10.6060/ivkkt.20186112.5826.

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Potassium tetraethylammonium hexathiocyanatoplatinate(IV) (Et4N)(K)[Pt(SCN)6] (I) was synthesized by the reaction of potassium hexathiocyanatoplatinate(IV) with tetraethylammonium chloride in acetonitrile aqueous solution. Slow evaporation of the solvent led to the formation of large red-brown crystals. The product structure was determined by XRDA. The X-ray diffraction pattern of crystal I was carried out on a Bruker D8 QUEST diffractometer (MoKα radiation, λ = 0.71073 Å, graphite monochromator). [С14H20N7KPtS6, M = 712.92, Crystal system monoclinic, space group C 2/c, a = 10.432(8), b = 14.7

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15

Miecznikowski, John R., Jerry P. Jasinski, Tyler J. Ostrowski та ін. "Crystal structure and spectroscopic properties of aquadichlorido{1,1′-[(pyridine-2,6-diyl-κN)bis(methylene)]bis(4-butyl-4,5-dihydro-1H-1,2,4-triazole-5-thione-κN 2)}cobalt(II)". Acta Crystallographica Section E Crystallographic Communications 76, № 11 (2020): 1757–61. http://dx.doi.org/10.1107/s2056989020013547.

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The structure of the title compound, [CoCl2(C19H27N7S2)(H2O)], at 173 K has monoclinic (C2/c) symmetry. We report here the synthesis, single-crystal structure, electrospray mass spectrum and NMR spectroscopy of a new six-coordinate cobalt(II) pincer complex. The pincer ligand, in this complex, which is novel, coordinates via three nitrogen atoms (two triazole and one pyridine). The ligand is ambidentate and can coordinate via three nitrogen atoms or two sulfur and one nitrogen atoms. The cobalt(II) metal center has pseudo-octahedral geometry and based on the single-crystal structure, the pince

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16

Reuter, Hans. "Structural parameters of dimethyl sulfoxide, DMSO, at 100 K, based on a redetermination by use of high-quality single-crystal X-ray data." Acta Crystallographica Section E Crystallographic Communications 73, no. 10 (2017): 1405–8. http://dx.doi.org/10.1107/s2056989017012464.

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The title compound, C2H6OS, is a high melting, polar and aprotic solvent widely used in organic and inorganic chemistry. It serves as a H-atom acceptor in hydrogen bonding and is used as an ambidentate ligand in coordination chemistry. The evaluation of the influence of intermolecular interactions on the internal structural parameters of the chemically bonded DMSO molecules affords precise structural data of the free molecule as a point of reference. So far, valid data have been obtained only by use of neutron powder diffraction [Ibberson (2005).Acta Cryst.C61, o571–o573]. In the present redet

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17

Nagy, Sándor, András Ozsváth, Attila Cs Bényei, Etelka Farkas, and Péter Buglyó. "Donor Atom Preference of Organoruthenium and Organorhodium Cations on the Interaction with Novel Ambidentate (N,N) and (O,O) Chelating Ligands in Aqueous Solution." Molecules 26, no. 12 (2021): 3586. http://dx.doi.org/10.3390/molecules26123586.

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Two novel, pyridinone-based chelating ligands containing separated (O,O) and (Namino,Nhet) chelating sets (Namino = secondary amine; Nhet = pyrrole N for H(L3) (1-(3-(((1H-pyrrole-2-yl)methyl)-amino)propyl)-3-hydroxy-2-methylpyridin-4(1H)-one) or pyridine N for H(L5) (3-hydroxy-2-methyl-1-(3-((pyridin-2-ylmethyl)amino)propyl)pyridin-4(1H)-one)) were synthesized via reduction of the appropriate imines. Their proton dissociation processes were explored, and the molecular structures of two synthons were assessed by X-ray crystallography. These ambidentate chelating ligands are intended to develop

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18

Luna, Isadora Silva, Rayssa Marques Duarte da Cruz, Ryldene Marques Duarte da Cruz, Rodrigo Santos Aquino de Araújo, and Francisco Jaime Bezerra Mendonça-Junior. "1,4-Dithiane-2,5-diol: A Versatile Synthon for the Synthesis of Sulfur-containing Heterocycles." Current Organic Synthesis 15, no. 8 (2018): 1026–42. http://dx.doi.org/10.2174/1570179415666180821154551.

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Background: 1,4-Dithiane-2,5-diol (1,4-DTD) is the stable dimer of α-mercapto acetaldehyde. This commercially available ambidentade compound is characterized as having in its chemical structure one group that acts as an electrophile and another that acts as a nucleophile, this permits its use as versatile and efficient synthon in synthetic heterocycle procedures. Objective: The aim of this review is to present synthetic applications of 1,4-DTD in heterocyclic chemistry and their applicability to the synthesis of bioactive compounds. Conclusion: Gewald reactions to obtain C-4 and C-5 unsubstitu

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19

Widera, Anna, Riccardo Conti, Erik Schrader, Marcel Aebli, Michael Wörle, and Hansjörg Grützmacher. "Bis(acyl)phosphide – Ambidentate Ligands for the Synthesis of Group 14 and 15 Main Group Element Compounds." ChemPlusChem, February 14, 2023. http://dx.doi.org/10.1002/cplu.202200451.

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20

Akai, Shuji, Takashi Ikawa, Sho-ichi Takayanagi, et al. "ChemInform Abstract: Synthesis of Biaryl Compounds Through Three-Component Assembly: Ambidentate Effect of the tert-Butyldimethylsilyl Group for Regioselective Diels-Alder and Hiyama Coupling Reactions." ChemInform 40, no. 5 (2009). http://dx.doi.org/10.1002/chin.200905093.

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