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Subgroup 4 (Ti, Zr, Hf) derivatives of Cobalt Carbonyls
Author(s) -
Bartik T.,
Happ B.,
Sieker Anke,
Stein Sylvia,
Sorken Angela,
Thiele K.H.,
Kriebel Christian,
Pályi Gyula
Publication year - 1992
Publication title -
zeitschrift für anorganische und allgemeine chemie
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.354
H-Index - 66
eISSN - 1521-3749
pISSN - 0044-2313
DOI - 10.1002/zaac.19926080226
Subject(s) - bimetallic strip , chemistry , phosphine , medicinal chemistry , ligand (biochemistry) , hydride , cobalt , substitution reaction , stereochemistry , metal , inorganic chemistry , catalysis , organic chemistry , biochemistry , receptor
Bimetallic and trimetallic compounds containing unsupported bonds of subgroup 4 metals (M = Ti, Zr, Hf) and Co were prepared by hydride elimination (A) from R 4 1 M derivatives (R 1 = PhCH 2 ; R 2 2 N; R 2 = Me, Et)) and by salt elimination (B) from R 3 1 MX (X = Cl, Br; R. 1 = PhCH 2 , R 2 2 N and R 3 O; R 3 = i‐Pr, n‐Bu)) by reaction with HCo(CO) 4 and Na[Co(CO) 4 ], respectively. Compounds R 3 1 MCo(CO) 4 with R 1 = PhCH 2 , R 2 1 M[Co(CO) 4 ] 2 R. 1 = PhCH 2 , were prepared both by methods A and B, while (R 3 O) 4 ‐n Ti[Co(Co) 4 ]n (n = 1, 2) compounds were obtained by reaction B. Several tertiary phosphine and phosphite derivatives of the former two types were obtained by substitution of a carbonyl group by PR 3 4ligand or by A type reaction of HCo(CO) 3 (PR 3 4with R 4 1 M compounds.