Reactions of metallophosphide anions [(CO)(X)M'PPh2](-) (M' = Cr, W, Fe) with Cp-2'MCl2 (Cp' = eta(5)-C5H4-tert-Bu; M = Mo, W): diastereogenic syntheses of bimetallic systems

被引：0

作者：

Comte, V ^{[1
]}

Rigny, S ^{[1
]}

Moise, C ^{[1
]}

机构：

[1] FAC SCI GABRIEL,LAB SYNTH & ELECTROSYNTH ORGANOMET,UMR 5632,F-21000 DIJON,FRANCE

来源：

BULLETIN DE LA SOCIETE CHIMIQUE DE FRANCE | 1997年 / 134卷 / 06期

关键词：

nucleophilic substitution; metallophosphide anion; bimetallic complex; stereochemistry; molybdenocene; tungstenocene;

D O I：

暂无

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Reactions of metallophosphide anions [(CO)(x)M'PPh2](-) with molybdenocene and tungstenocene dichlorides Cp-2'MCl2 (M = Mo, W; Cp' = eta(5)-C5H4-tert-Bu) give Cp-ring 1,3-disubstituted products. Due to planar chirality associated with an asymmetric metallic center, diastereoisomers are produced but a fast interconversion process occurs allowing the isolation of only one isomer. Molybdenum complexes do not transform into orthometallated products as. was previously observed for their C5H5 or C5H4-Me analogs. Chemical reactions have been performed on the complexes 3' and 4'. Therefore reduction into dihydrides leads to mu-hydrido structures.

引用

页码：609 / 614

页数：6

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