Ligand environment and the structure of schiff base adducts and tetracoordinated metal-chelates

A. Introduction B. Ligands (i) Tautomerism (ii) Hydrogen bond (iii) Stereochemistry C. Adducts (i) Synthesis (ii) Structure, tautomeric forms of the ligands, coordination modes, stereochemistry .... D. Tetracoordinated metal-chelate complexes with six-membered metallocycles ......... (i) Synthesis (ii) Stereochemistry (a) MN,O, complexes (b) MN,Sa(Se,) complexes (c) MN, complexes E. Tetracoordinated metal-chelate complexes with five-membered metallocycles ......... (i) Synthesis (ii) Stereochemistry F. Bridged metal-chelate complexes GSummary Acknowledgements References 1 3 3 5 5 I 7 10 19 19 21 23 21 44 46 46 48 51 56 58 58

[1]  R. Cini,et al.  Crystal and molecular structure of [N,N′-ethylenebis(monothioacetylacetoneiminato)]zinc(II) , 1980 .

[2]  E. Baker,et al.  Conformational influences in copper co-ordination compounds. Part II. Crystal structure of the methylammonium perchlorate adduct of NN′-ethylenebis(acetylacetoneiminato)copper(II) , 1970 .

[3]  R. D. Bereman,et al.  X-ray crystallographic studies of nickel(II) complexes of tetradentate [N2S2]2- ligands. 3. A stepwise distortion from square-planar to pseudotetrahedral geometries , 1991 .

[4]  H. Adams,et al.  The syntheses, properties and crystal and molecular structures of the copper(II) and nickel(II) complexes of the non-symmetric schiff bases, derived from 1,2-diaminoethane, pentane-2,4-dione and 2-pyrollecarboxaldehyde , 1985 .

[5]  M. Gerloch,et al.  The crystal and molecular structure of chloro-(NN′-bis-salicylidene-ethylenediamine)iron(III) as a hexaco-ordinate dimer , 1967 .

[6]  J. Wood,et al.  Crystal and molecular structure and magnetic properties of a tetrameric copper complex formed by the terdentate ligand N-2-pyridylsalicylaldimine , 1972 .

[7]  S. Yamada,et al.  Dioxotungsten(Vl) complexes with neutral schiff bases as ligands , 1974 .

[8]  V. Bertolasi,et al.  Structures of E,E‐3‐(p‐tolylimino)‐2‐butanone oxime and E,Z‐4‐(p‐tolylimino)‐2,3‐pentanedione 3‐oxime. An X‐ray crystallographic investigation on bonding in oximes , 1982 .

[9]  A. D. Garnovskii,et al.  Novel Thiosalicylhydrazonates of Nickel(II) , 1991 .

[10]  M. Churchill,et al.  Coordination chemistry of new sulfur-containing ligands. 17. Preparation, characterization and crystal and molecular structure of [N,N'-trimethylenebis(methyl 2-amino-1-cyclopentenedithiocarboxylato)] copper(II), a highly distorted CuN2S2 compound , 1979 .

[11]  L. Casella,et al.  Copper(II)-N2S2 complexes of the imines of 1-phenyl-3-formyl-2(1H)-pyridinethione , 1986 .

[12]  L. Sacconi,et al.  High-spin four- and five-coordinate cobalt(II) and nickel(II) complexes with a tridentate SNN Schiff base , 1968 .

[13]  C. Freiburg,et al.  N,N'-Ethylenbis(1-iminomethyl-2-naphtholato)kupfer(II) und N,N'-Ethylenbis(1-iminomethyl-2-naphtholato)nickel(II) , 1980 .

[14]  A. Addison,et al.  REMOTE SUBSTITUENT EFFECTS IN PYRROLE-2-CARBOXALDIMINATE COMPLEXES OF COPPER(II) , 1978 .

[15]  B. Y. Simkin,et al.  An MNDO study of mechanisms of rapid intramolecular enantiomerization of bis-chelate Hg(II) complexes , 1991 .

[16]  R. H. Holm,et al.  Diastereoisomeric four-coordinate complexes. III. Paramagnetic nickel(II) complexes with three asymmetric centers , 1967 .

[17]  G. Fallon,et al.  Iron complexes of N-substituted thiosalicylideneimines. Part 3. Structure, magnetism, and Mössbauer spectra of the complex chloro[N,N′-ethylenebis(thiosalicylideneiminato)]iron(III), an intermediate-spin complex which exists in three crystalline forms , 1984 .

[18]  С КоробовМ,et al.  アゾメチンおよびその構造類似体のベンゼノイド‐キノイド互変異性 XX 5‐ニトロチオサリチルアルデヒドイミン , 1975 .

[19]  T. Inabe,et al.  Liquid crystalline copper(II) complexes of N-salicylideneaniline derivatives. Mesomorphic properties and a crystal structure , 1990 .

[20]  M. R. Bermejo,et al.  The synthesis of copper(II) complexes of 2-[(2-mercaptophenyl)iminomethyl]phenols by the electrochemical cleavage of a disulphide bond , 1988 .

[21]  F. Urbach,et al.  Stereochemistry of tetradentate Schiff base complexes of cobalt(II) , 1969 .

[22]  O. Kahn.  Magnetism of the heteropolymetallic systems , 1987 .

[23]  T. Waters,et al.  530. The colour isomerism and structure of some copper co-ordination compounds. Part IV. The structure of NN′-disalicylidene-ethylenediaminecopper , 1960 .

[24]  G. Gokel,et al.  Self-assembling, alkali-metal-complexing nickel salicylaldimine complexes , 1991 .

[25]  H. Tajmir-Riahi,et al.  Schiff base complexes of the lanthanoids and actinoids. Part 2. Lanthanoid(III) and cerium (IV) nitrato complexes with the zwitter-ionic form of NN′-ethylenebis(salicylideneimine) and related bases. , 1980 .

[26]  M. Kwiatkowski,et al.  Cadmium complexes with the tridentate amino-ketoenamines derived from pentane-2,4-dione and aliphatic diamines , 1991 .

[27]  V. McKee,et al.  Six- and seven-co-ordinate manganese(II) complexes of Schiff-base ligands derived from the condensation of 2,6-diacetylpyridine with ethanolamine (L1) or propanolamine (L2); X-ray crystal structures of [MnL1Cl2]·H2O and [{MnL2(NCS)2}x] , 1990 .

[28]  H. Toftlund,et al.  Racemization kinetics and spin states of four-coordinate nickel(II) complexes with bidentate NS ligands, [pyrR2R3(NR1S)]2Ni. A comparative study , 1992 .

[29]  F. Smith,et al.  IR, PMR and Mössbauer studies on the complexes of triphenyltin chloride and triphenyltin isothiocyanate with a series of N-alkylsalicylideneimines , 1985 .

[30]  E. Sinn,et al.  Nickel(II) Complexes of Some Quadridentate Schiff Base Ligands I , 1972 .

[31]  R. Gleiter,et al.  No-bond-resonance compounds, structure, bonding and properties , 1976 .

[32]  B. S. Saraswat,et al.  Schiff base complexes of organotin(IV): infrared and mössbauer studies on the addition complexes of N-alkyl(aryl)salicylideneimines , 1979 .

[33]  T. Waters,et al.  The conformation of schiff-base complexes of copper(II): a stereo-electronic view , 1975 .

[34]  K. Murray,et al.  Iron complexes of N-substituted thiosalicylideneimines. Part 1. Synthesis and reactions with oxygen and carbon monoxide , 1983 .

[35]  R. H. Holm,et al.  Diastereoisomeric four-coordinate complexes. V. Pseudo-tetrahedral complexes of controlled absolute configuration. Configurational interconversion of nickel(II) complexes withour racemization , 1968 .

[36]  L. Lindoy.  Metal-ion control in the synthesis of Schiff base complexes , 1971 .

[37]  J. García-Vázquez,et al.  Complexes of titanium(IV), vanadium(IV) and tin(IV) with schiff bases derived from 2-(2-aminophenyl)benzimidazole , 1986 .

[38]  P. Bamfield.  The reaction of cobalt halides with N-arylsalicylideneimines , 1967 .

[39]  J. Charland,et al.  Synthesis and structural studies for a series of aromatic Schiff base complexes with triphenyltin chloride and triphenyltin isothiocyanate , 1987 .

[40]  V. Minkin,et al.  Synthesis and Structure of 3-formylquinoline-2(1H)-thione and -selone and the Corresponding Imines , 1991 .

[41]  L. Bin,et al.  Complexes of Rare Earth Nitrate Schiff Base Derived from O-Vanillin and 2-Naphthylamine , 1990 .

[42]  M. Higuchi,et al.  Synthesis and characterization of copper(II) complexes with unsymmetrical quadridentate Schiff bases derived from β-diketone, diamine, and o-hydroxybenzaldehyde ligands , 1985 .

[43]  J. Becher,et al.  Preparation of heterocyclic thialato ligands and their Copper(II) complexes , 1985 .

[44]  B. M. Pinto,et al.  An electron transfer reaction of a selenium coronand-copper(II) complex. Formation of the stable 1,5,9,13-tetraselenacyclohexadecane dication , 1990 .

[45]  L. Lindoy,et al.  Reactions of nickel chelates derived from 2-aminobenzenethiol , 1968 .

[46]  F. L. Bowden,et al.  Redox reactions in the formation of titanium complexes with aromatic Schiff's bases , 1974 .

[47]  A. Rae,et al.  1123. The colour, isomerism, and structure of some copper co-ordination compounds. Part V. The crystal structure of NN′-ethylenebis(acetylacetoneiminato)copper(II) , 1963 .

[48]  I. Fragalà,et al.  Lanthanide Compounds with SCHIFF Bases and with Copper(II) SCHIFF Base Complexes as Ligands , 1975 .

[49]  S. Cummings,et al.  Square-planar transitioin metal complexes with tetradentate thioiminato Schiff base ligands , 1974 .

[50]  J. Dunitz,et al.  Molecular Conformation of Benzylideneanilines , 1971 .

[51]  H. Weigold,et al.  The structures of cobalt(II) complexes with quadridentate Schiff bases , 1967 .

[52]  L. Randaccio.  The polymeric structure of the adduct of dimethyltin dichloride with bis(salicylaldehyde) ethylenediimine. , 1973 .

[53]  L. I. Kuznetsova,et al.  Advances in the Coordination Chemistry of Azoles , 1973 .

[54]  K. Murray,et al.  Some organometallic and ‘simple’ Schiff-base chelates of tin(IV) , 1970 .

[55]  V. D. Gupta,et al.  Studies on adducts of tin tetrahalides and titanium tetrachloride with β-aminothiones and β-ketoamines , 1984 .

[56]  P. Tasker,et al.  New macrocyclic complexes of cobalt(II), nickel(II) and copper(II) , 1971 .

[57]  P. Tasker,et al.  NN′-ethylenebis-(o-aminobenzylideneiminato)nickel(II) and its derivatives , 1970 .

[58]  E. Libertini,et al.  SYNTHESIS AND CHARACTERIZATION OF SCHIFF BASE COMPLEXES WITH ZINC HALIDES , 1988 .

[59]  M. Hewlins.  Crystal structure of [NN′-tetramethylenebis(thioacetylacetoniminato)(2–)]zinc , 1975 .

[60]  E. Breitmaier,et al.  Umlagerung und Komplexbildung des Glyoxal-bis-[2-mercapto-anils] und anderer Mercaptoanile , 1968 .

[61]  E. Uhlemann,et al.  Nickel‐ und Kobaltchelate von Schiffschen Basen des o‐Aminothiophenols* , 1973 .

[62]  S. Kawaguchi.  Variety in the coordination modes of β-dicarbonyl compounds in metal complexes , 1986 .

[63]  D. Gerlach,et al.  Relative stereochemical and electronic effects of oxygen and sulfur donor atoms in planar and tetrahedral complexes of nickel(II) , 1969 .

[64]  J. Einstein,et al.  Structure of a bis-bidentate metal complex, bis-(N-t-butylpyrrole-2-carbaldimino)nickel(II). Analysis of its configurational disorder in the crystalline state , 1972 .

[65]  L. Atovmyan,et al.  X-Ray crystal structures of bis-(2-mercapto-4′-methylazobenzene)nickel(II) and bis-(2-hydroxy-4′-methylazobenzene)nickel(II): five-membered metallocycle in the former complex , 1975 .

[66]  P. K. Bharadwaj,et al.  Hexa-coordinated copper(II) complexes having CuN2S2*S2 (S* = thioether) chromophore: synthesis, electrochemistry and spectroscopy , 1992 .

[67]  G. Fallon,et al.  The X-ray structure and magnetic anisotropy of N,N′-ethylenebis(thiosalicylaldiminato)cobalt(II); Co S-Salen , 1975 .

[68]  J. Becher,et al.  Biomimetic Systems for the “Visible” Copper‐Site CuA in Cytochrome c Oxidase , 1985 .

[69]  D. Cunningham,et al.  Transition metal Schiff-base complexes as ligands in tin chemistry , 1994 .

[70]  S. Mangani,et al.  Spectroscopic and electrochemical study of copper and zinc complexes with a N2S2 ligand donor set. Crystal structure of the copper(II) complex derived from 1,3-propylenediamine and 3-formyl-1-phenyl-2(1H)-pyridinethione , 1989 .

[71]  T. D. Smith,et al.  N,N'-ethylenebis(salicylideneiminato) transition metal ion chelates , 1973 .

[72]  R. Karlsson,et al.  Crystal structure of [NN′-ethylenebis-(2-amino-5-chlorobenzylideneiminato)]cobalt(II) , 1972 .

[73]  N. Matsumoto,et al.  Reaction product of N-salicylaldehyde-N′-acetylacetoneethylenediaminocopper(II) with p-nitrobenzenediazonium, accompanying a rearrangement of the coordination sphere , 1985 .

[74]  P. Wright,et al.  Conformational influences in copper co-ordination compounds. Part V. Crystal and molecular structure of {1,2-bis-[(2-aminobenzylidene)-amino]propanato(2–)}copper(II) , 1973 .

[75]  G. Fallon,et al.  Spin-state differences and spin crossover in five-coordinate Lewis base adducts of cobalt(II) Schiff base complexes. Structure of the high-spin (N,N'-o-phenylenebis(salicylaldiminato))cobalt(II)-2-methylimidazole adduct , 1984 .

[76]  M. Drew,et al.  Structures of N,N'-propylenebis[(2-hydroxy-1-naphthyl)methaniminato]nickel(II) and N,N'-propylenebis[(2-hydroxy-1-naphthyl)methaniminato]copper(II)–0.5-dimethyl sulphoxide , 1982 .

[77]  L. Lindoy,et al.  Reactions of copper chelates derived from 2-aminobenzenethiol , 1968 .

[78]  M. Mcpartlin,et al.  LIGAND REARRANGEMENT REACTIONS. AN UNUSUAL HYDROGEN TRANSFER REACTION PROMOTED BY ZINC(II) SALTS , 1977 .

[79]  J. Romero,et al.  Synthesis of nickel(II), copper(II), zinc(II), and cadmium(II) complexes of 2-[(2-mercaptophenyl)iminomethyl] pyrrole and 2-[(2-mercaptoethyl)-iminomethyl]pyrrole by the electrochemical cleavage of a disulphide bond: the crystal structure of bis{2-[(pyrrol-2-yl)methyleneamino]thiophenolato-S,N}zinc( , 1990 .

[80]  V. M. Potapov,et al.  Stereochemistry of Four-coordinate Chelate Compounds of Schiff Bases and Their Analogues , 1980 .

[81]  E. Castellano,et al.  The electrochemical synthesis of neutral copper(II) complexes of Schiff base ligands: the crystal structure of bis{N-[2′-(2″-pyridyl)ethyl]-4,6-dimethoxysalicylideneiminato}copper(II) , 1988 .

[82]  L. Bin,et al.  Complexes of lanthanide nitrates with a schiff base derived from o-vanillin and p-toluidine , 1990 .

[83]  H. Tayim,et al.  Reaction of 2,5-(Dibenzothiazolin-2-yl)thiophene with Some Metal Ions , 1983 .

[84]  A. V. Zelewsky,et al.  The electronic structure of cobalt(II) complexes with schiff bases and related ligands , 1979 .

[85]  J. Bordner,et al.  Coordination chemistry of new sulfur-containing ligands. 20. Preparation, characterization, and crystal and molecular structure of a severely distorted copper(II) N2S2 complex: [N,N'-tetramethylenebis(methyl 2-amino-1-cyclopentenedithiocarboxylato)]copper(II) , 1981 .

[86]  G. Pennesi,et al.  Synthesis, structural, and E.S.R. studies of some low-spin Co(II) complexes with tetradentate N2S2 and N2Se2 Schiff-bases , 1980 .

[87]  D. Busch,et al.  Steric control of electronic effects in diacetylated nickel (II) schiff base complexes , 1987 .

[88]  P. McCarthy,et al.  Crystal and molecular structure of [N, N′-ethylenebis(methyl-2-amino-1-cyclopentenedithiocarboxylato)]copper(II): A quantitative relationship between tetrahedral distortion and redox potentials in copper N2S2 compounds and the relevance to type I copper(II) centers ☆ , 1982 .

[89]  Q. Fernaǹdo,et al.  Metal Ion Induced Rearrangements of Bisbenzthiazolines to Schiff-Base Chelates , 1964 .

[90]  L. M. Engelhardt,et al.  On the shape of Schiff's base complexes and of 3,4:9,10-dibenzo-1,5,8,12-tetra-aza-cyclohexadecane-1,11-dieneato-copper(II) , 1973 .

[91]  Tatsuya Kawamoto,et al.  Carbon-Carbon Bond Formation in Helical Nickel(II) Complex, cis-Bis[2-N-(phenylmethylideneamine)benzenethiolato]nickel(II) , 1992 .

[92]  F. Dahan,et al.  Magnetic properties of mono-, bi-, and tri-nuclear copper(II) complexes of novel oxamato and oxamido ligands. Crystal structure of a mononuclear precursor , 1989 .

[93]  O. Kahn,et al.  Low-lying electronic states in µ-phenolato copper(II) binuclear compounds with hydroxo, ethanolato, azido, and cyanato exogenous bridges: crystal structures, magnetic properties, and interpretations , 1989 .

[94]  S. Yamashita,et al.  Crystal structure of copper(II) complex with tryptamine-pyridoxal Schiff base and conformational study of tryptophan in pyridoxal-catalyzed reactions. , 1986, Chemical & pharmaceutical bulletin.

[95]  L. Casella,et al.  Synthesis, characterization and stereochemistry of condensation products between (1R)-3-hydroxymethylenebornane-2-thione and diamines and their metal complexes , 1991 .

[96]  A. Takeuchi,et al.  The conformation and interconversion of schiff base complexes of nickel(II) and copper(II) , 1982 .

[97]  E. Libertini,et al.  SYNTHESES AND CHARACTERIZATION OF NEW ADDITION COMPLEXES OF TIN DICHLORIDE WITH AROMATIC SCHIFF BASES , 1983 .

[98]  R. D. Bereman,et al.  Synthesis and characterization of neutral Ni(II) and Cu(II) complexes with bidentate [NS]1− ligands , 1991 .

[99]  W. M. Davis,et al.  Copper(II) tropocoronands: synthesis, structure, and properties of mononuclear complexes , 1985 .

[100]  B. West,et al.  Cobalt complexes of Bi- and Tetra-dentate N-substituted o-Mercaptobenzaldimines , 1976 .

[101]  J. Ángyán,et al.  Bonding between nonbonded sulfur and oxygen atoms in selected organic molecules (a quantum chemical study) , 1987 .

[102]  D. Shriver.  Transition metal basicity , 1970 .

[103]  R. D. Bereman,et al.  Synthesis and characterization of square planar and pseudo-tetrahedral M(II)N2S2 , 1991 .

[104]  E. Uhlemann,et al.  Chelate von β‐Dicarbonylverbindungen und ihren Derivaten. XV. Komplexchemische Reaktivität von β‐Mercaptovinylaldehyden , 1970 .

[105]  H. Hofmann,et al.  Quantum chemical calculations for the determination of the molecular structure of conjugated compounds: Part XII. On the conformational structure of stilbene and azobenzene , 1977 .

[106]  J. P. Tandon,et al.  Schiff base derivatives of lanthanons, La(III), Pr(III), Nd(III) and Sm(III) complexes of bifunctional tetradentateSchiff base , 1976 .

[107]  B. S. Saraswat,et al.  Schiff base complexes of organotin(IV): infrared and mössbauer studies on the addition complexes of mono- and di-organotin(IV) chlorides with N-alkyl(aryl)-2-hydroxyacetophenylideneimines , 1979 .

[108]  R. J. Angelici.  Structural aspects of thiophene coordination in transition metal complexes , 1990 .

[109]  N. Raos,et al.  Simulation of Plasticity of Copper(II) Coordination Polyhedron by Means of an Empirical Force Field Method , 1985 .

[110]  L. Randaccio,et al.  Structural effects of the co-ordination of quadridentate Schiff bases to transition-metal atoms. Structure of NN′-(o-phenylene)bis(salicylideneamine) and of its cobalt(II) complex , 1976 .

[111]  V. Minkin,et al.  The problem of acoplanarity of aromatic azomethines , 1967 .

[112]  T. D. Stack,et al.  A new class of (N,N'-bis(salicylideneamino)ethanato)iron(II) complexes: five-coordinate [FeII(salen)L]-. Preparation, properties, and mechanism of electron-transfer reactions , 1988 .

[113]  P. Wright,et al.  E.s.r. and optical spectral properties of copper(II) complexes with Schiff-base ligands derived from o-aminobenzaldehyde , 1975 .

[114]  H. Tajmir-Riahi,et al.  Schiff-base complexes of the lanthanoids and actinoids. Part 1. Lanthanoid(III) halide complexes with the un-ionised form of NN′-ethyl-enebis(salicylideneimine) and related bases , 1978 .

[115]  N. S. Biradar,et al.  A spectroscopic study of tin(IV) complexes with multidentate Schiff bases , 1971 .

[116]  R. H. Holm,et al.  Synthetic approaches to 14-, 15-, and 16-membered tetraaza macrocycles and their metal complexes , 1973 .

[117]  V. Minkin,et al.  Molecular and crystal structure of ortho-tellurated azomethines with intramolecular N → Te coordination , 1991 .

[118]  T. Rao,et al.  Spectroscopy and Structure of Thiolate and Thioether Complexes of Copper(II) and the Relationship of Their Redox Chemistry to That of Certain Copper Proteins , 1984 .

[119]  A. Wilk,et al.  Spectroscopic and kinetic investigation of bis(N-alkylsalicylaldiminato)copper(II) complexes: a study on the existence of planar .dblharw. tetrahedral configuration equilibria , 1990 .

[120]  F. Nepveu,et al.  SPECTROSCOPIC AND X-RAY STRUCTURAL STUDY OF THE COPPER(II) COMPLEX WITH SCHIFF BASE BETWEEN PYRIDOXAL AND BENZYLAMINE , 1981 .

[121]  G. Everett,et al.  Nickel(II) complexes of some tetradentate salicylaldimine ligands , 1969 .

[122]  J. M. Fernández-g,et al.  Structures of the Schiff‐base ligands 1‐[(1‐adamantylamino)methylene]‐2(1H)‐naphthalenone (1) and 1‐[(2‐adamantylamino)methylene]‐2(1H)‐naphthalenone (2) and their corresponding copper(II) complexes , 1992 .

[123]  F. Cariati,et al.  Carbon-13 NMR characterization of nickel(II)-bis(o-hydroxynaphthaldimine) complexes , 1985 .

[124]  D. Cunningham,et al.  Transition metal Schiff-base complexes as ligands in tin chemistry. Part 2. A tin-119 Mössbauer spectroscopic investigation of the adducts SnBunxCl3–x(OR)·ML (x= 0 or 1; R = H or alkyl; M = CuII or NiII; L = quadridentate Schiff-base ligand) , 1992 .

[125]  J. Becher,et al.  A general route to thiolato ligands via t-butyl sulphides , 1983 .

[126]  S. G. McGeachin.  Synthesis and properties of some β-diketimines derived from acetylacetone, and their metal complexes , 1968 .

[127]  H. Tajmir-Riahi.  Complexes of zinc, cadmium and mercury(II) with the zwitter-ionic form of NN′-ethylenebis (salicylideneimine) , 1983 .

[128]  J. Romero,et al.  The electrochemical synthesis of zinc(II) complexes of 2-(2-mercaptophenyl)-imino-phenols and the crystal structure of bis{N,N′[dithiobis(ethylene)](4,6-dimethoxysalicylideneiminato)}zinc(II) , 1992 .

[129]  E. Raepple,et al.  Stereochemistry of tetrahedral nickel complexes. Configurational rigidity and stereochemical analyses , 1977 .

[130]  C. Floriani,et al.  A comparative synthetic and structural study of µ-oxo and µ-sulphido derivatives of N,N′-ethylenebis(acetylacetoneiminato)iron(III), including the synthesis and structural characterization of the parent compound , 1987 .

[131]  R. Knorr,et al.  Konfigurationsstabilität und reduzierte 1H-NMR-Verschiebungen (pseudo)tetraedrischer Nickel(II)-Bis-chelate von 1,3-Diiminen1) , 1981 .

[132]  H. Adams,et al.  Copper(II) complexes of pyrrole-containing Schiff-base macrocycles: crystal and molecular structures of a mononuclear macrocyclic complex, and of pyrrole-2,5-dicarbaldehyde , 1986 .

[133]  D. Dale.  The X-ray crystallographic determination of the structure of di-[3-methyl-1(or 5)-phenyl-5(or 1)-p-tolylformazyl]nickel(II) , 1967 .

[134]  T. Inabe,et al.  Structure and optical properties of a thermochromic schiff base. Low-temperature structural studies of the N,N'-disalicylidene-p-phenylenediamine and N,N'-disalicylidene-1,6-pyrenediamine crystals , 1989 .

[135]  L. Randaccio,et al.  Structural aspects of metal complexes with some tetradentate schiff bases , 1972 .

[136]  T. Waters,et al.  Conformational influences in copper co-ordination compounds. Part VI. Crystal structure of a fourth crystalline isomer of bis-(2-hydroxy-N-methyl-1-naphthylmethyleneiminato)copper(II) , 1973 .

[137]  L. Capitán-Vallvey,et al.  Rearrangement of 2-(2-thienyl)benzothiazoline in the presence of thiophilic metal ions , 1983 .

[138]  A. W. Baker,et al.  Intramolecular Hydrogen Bonding. II. The Determination of Hammett Sigma Constants by Intramolecular Hydrogen Bonding in Schiff's Bases , 1959 .

[139]  G. M. Gray,et al.  Synthesis and Structure of Trans -[[[cis -tetracarbonylbis (N-((2-diphenylphosphinamido)ethyl)salicylaldimino-P)]molybdenum(0)]-N,-N′ ,O,O′]nickle(II), a Novel Bimetal Trans-ligating Tetradentate Schiff Base Complex with a “fly-over” Chain Containing a Metal Atom , 1981 .

[140]  A. Vela,et al.  Synthesis, crystal structure, and EHMO calculations for the nickel(II) complexes of imines derived from salicylaldehyde, 2-hydroxy-1-naphthaldehyde, and 3-hydroxy-2-naphthaldehyde , 1987 .

[141]  C. Wei.  Crystallographic determination of stereochemistry for the triclinic and tetragonal modifications of a bis-bidentate metal complex, bis(N-tert-butylpyrrole-2-carbaldimino)copper(II) , 1972 .

[142]  A. D. Garnovskii,et al.  Direct Evidence for Bidentate Character of Potentially Tridentate N,S-Ligands. Molecular Structures of Bis[N-(2-pyridyl)thiosalicylidene-κS-amino-κN]nickel(II) and Bis{1-isopropyl-3-methyl-4-[N-(2-pyridyl)imino-κN-methyl]pyrazole-5-thiolato-κS}copper(II) , 1992 .

[143]  M. Maurya,et al.  Coordination chemistry of schiff base complexes of molybdenum , 1989 .

[144]  V. Minkin,et al.  Inversion of tetrahedral configuration of bis-{4-aminomethylenepyrazole-5-thion(seleno)ato} nickel(II) complexes , 1985 .

[145]  A. Wolf.  Non-empirical calculations on the conformational structure of azobenzene and benzylideneaniline , 1980 .

[146]  A. Schepartz,et al.  Self-assembling ionophores , 1989 .

[147]  A. Nakahara,et al.  The Crystal Structure of Bis-(2-hydroxyacetophenone)trimethylenediiminocopper(II) , 1970 .

[148]  A. Hagler,et al.  An ab initio study of the conformational energetics of N‐benzylideneaniline , 1981 .

[149]  M. Lanfranchi,et al.  Structural researches on copper(II) complexes with vitamin B6 derivatives: X-ray structures of bis(N-t-butyl-pyridoxylideneiminato)copper(II) and bis(N-t-butyl-pyridoxylideneiminato)copper(II)methanol (1:1/3) , 1983 .

[150]  F. Urbach,et al.  Chemically reduced derivatives of the nickel(II) and copper(II) complexes of the cyclotetrameric Schiff base of o-aminobenzaldehyde , 1972 .

[151]  G. Koten,et al.  Structure of bis[N-(2-pyrrolylmethylene)-tert-butylamine]zinc(II), Zn(C9H13N2)2 , 1983 .

[152]  J. Romero,et al.  The electrochemical synthesis of neutral copper(II) complexes of schiff base ligands: The crystal structures of bis-{n-[2-(3-methylpyridyl)]-5-methoxysalicylideneiminato}copper(II) and bis-{n-[2-(6-metrylpyridyl)]-salicylideneiminato}copper(II) , 1989 .

[153]  A. Kodama,et al.  Mesomorphic property and orientational order in the nematic phases of nickel(II) and oxovanadium(IV) complexes of N-salicylidene-n-propylamine derivatives , 1991 .

[154]  T. D. Stack,et al.  Synthesis, structure, and electronic features of (.mu.-sulfido)bis[(N,N'-ethylenebis(salicylaldiminato))iron(III)], [Fe(salen)]2S, containing the only authenticated example of the iron(III)-sulfur-iron(III) single bridge , 1984 .

[155]  H. Tajmir-Riahi,et al.  Schiff-base complexes of calcium: crystal structure analysis of dinitrato[N,N'-propane-1,3-diylbis(salicylideneimine)]calcium(II) and the spectroscopic properties of some related complexes , 1979 .

[156]  R. J. Abraham,et al.  The molecular structure of N-benzylidene-aniline , 1978 .

[157]  I. Bertini,et al.  Synthesis, characterization, and proton magnetic resonance spectra of nickel(II) and cobalt(II) complexes with o-mercaptobenzaldiminates , 1972 .

[158]  J. Costamagna,et al.  Coordination compounds of copper, nickel and iron with Schiff bases derived from hydroxynaphthaldehydes and salicylaldehydes , 1992 .

[159]  M. Kwiatkowski,et al.  Nickel(II) complexes with unsymmetrical quadridentate schiff bases having a pendant N-acyl substituent , 1992 .

[160]  L. E. Nivorozhkin,et al.  Unusual trans-planar structure of the PdN2S2 coordination sphere with essential tetrahedral distortion. X-ray study of bis(1-isopropyl-3-methyl-4-cyclohexylaldimine-5-thiopyrazolato)-palladium(II) , 1991 .