ZINC-COMPLEXES OF CYCLOHEXANE TRIAMINE LIGANDS

被引:26
|
作者
BRAND, U [1 ]
VAHRENKAMP, H [1 ]
机构
[1] UNIV FREIBURG, INST ANORGAN & ANALYT CHEM, ALBERTSTR 21, W-7800 FREIBURG, GERMANY
关键词
D O I
10.1016/S0020-1693(00)92411-3
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
The synthesis and characterization of zinc complexes of the cis-cyclohexane triamine derived ligands C6H9(NH2)3 (L1), C6H9(NHMe)3 (L2) and C6H9(N = CHPh)3 (V) are described. L1 forms 1:1 complexes with ZnCl2, ZnBr2, ZnI2 and Zn(OAc)2, and 2:1 complexes with Zn(ClO4)2 and Zn(CF3SO3)2. For L2, no 2:1 complexes with zinc salts could be obtained, but 1:1 complexes with ZnCl2 and Zn(NO3)2 were obtained. V was hydrolyzed in the presence of zinc salts. Physical properties and spectra indicate that the complexes of ZnHal2 and Zn(NO3)2 contain tetrahedral LZnX cations and free X anions, while L1Zn(OAc)2.H2O seems to consist of octahedral molecular units containing monodentate acetate ligands. According to NMR, the 2:1 complexes (L1)2Zn(CF3SO3)2 and (L1)2Zn(ClO4)2 are octahedrally coordinated while (L1H)2Zn(ClO4)4 contains tetrahedral zinc with only bidentate L1 ligands. A crystal structure determination has proved the octahedral geometry of (L1)2Zn(CF3SO3)2. NMR studies have shown that there is no or little ligand exchange of the complexes in solution.
引用
收藏
页码:663 / 669
页数:7
相关论文
共 50 条
  • [41] EVALUATION OF ZINC-COMPLEXES ON THE REPLICATION OF RHINOVIRUS-2 INVITRO
    MERLUZZI, VJ
    CIPRIANO, D
    MCNEIL, D
    FUCHS, V
    SUPEAU, C
    ROSENTHAL, AS
    SKILES, JW
    RESEARCH COMMUNICATIONS IN CHEMICAL PATHOLOGY AND PHARMACOLOGY, 1989, 66 (03): : 425 - 440
  • [42] CADMIUM, COPPER AND ZINC-COMPLEXES OF POLY-L-CYSTEINE
    AUTRY, HA
    HOLCOMBE, JA
    ANALYST, 1995, 120 (10) : 2643 - 2647
  • [43] Zinc-Complexes in Natural Rubber Latex Sulphur Vulcanisation System
    Qamarina, M. Siti Nor
    Hashim, M. Y. Amir
    JOURNAL OF RUBBER RESEARCH, 2009, 12 (02) : 80 - 92
  • [44] AZODYES AND THEIR ZINC-COMPLEXES IN DYNAMICS OF LOCAL CONFORMATION AND FUNCTION OF ENZYMES
    VALLEE, BL
    FEDERATION PROCEEDINGS, 1978, 37 (06) : 1286 - 1286
  • [45] ZINC-COMPLEXES OF AMINO-ACIDS AND PEPTIDES .5. ZINC-COMPLEXES OF HISTIDINE-CONTAINING DIPEPTIDES AND TRIPEPTIDES (VOL 128, PG 541, 1995)
    FORSTER, M
    VAHRENKAMP, H
    CHEMISCHE BERICHTE, 1995, 128 (07) : 743 - 743
  • [46] POLYTHERMAL STUDY OF SOLUTION AND SOLVATION PROCESSES OF HEMATOPORPHYRIN AND ITS ZINC-COMPLEXES
    BEREZIN, MB
    VYUGIN, AI
    KRESTOV, GA
    ZHURNAL FIZICHESKOI KHIMII, 1991, 65 (12): : 3236 - 3239
  • [47] DUAL PHOSPHORESCENCE OF ZINC-COMPLEXES OF PHEOPHYTIN-A AND PHEOPHYTIN-B
    DVORNIKOV, SS
    KNIUKSHTO, VN
    SEVCHENKO, AN
    SOLOVIEV, KN
    TSVIRKO, MP
    DOKLADY AKADEMII NAUK SSSR, 1978, 242 (05): : 1060 - 1063
  • [48] SYNTHESIS AND STRUCTURE OF ZINC-COMPLEXES OF 2-AMINO-1-AZETINES
    STIERLI, F
    PREWO, R
    BIERI, JH
    HEIMGARTNER, H
    HELVETICA CHIMICA ACTA, 1984, 67 (04) : 927 - 933
  • [49] FORMATION CONSTANTS OF CERTAIN ZINC-COMPLEXES BY ION-EXCHANGE METHOD
    VOHRA, P
    KRANTZ, E
    KRATZER, FH
    PROCEEDINGS OF THE SOCIETY FOR EXPERIMENTAL BIOLOGY AND MEDICINE, 1966, 121 (02): : 422 - &
  • [50] SOME PROPERTIES OF COPPER AND ZINC-COMPLEXES OF 2-FORMYLPYRIDINE THIOSEMICARBAZONE
    ANTHOLINE, WE
    KNIGHT, JM
    PETERING, DH
    INORGANIC CHEMISTRY, 1977, 16 (03) : 569 - 574