Reactions of the mixed-metal alkyne-bridged complexes [(η5-C5H5)(OC)2M{μ-C2(CO2Me)2}Co(CO)3] (M = Mo or W) with Ph2PCCtBu

被引：16
|
作者：
Davies, JE [1 ]
Mays, MJ [1 ]
Raithby, PR [1 ]
Sarveswaran, K [1 ]
Shields, GP [1 ]
机构：
[1] Univ Cambridge, Dept Chem, Cambridge CB2 1EW, England
来源：
JOURNAL OF ORGANOMETALLIC CHEMISTRY | 1999年 / 573卷 / 1-2期
基金：
英国工程与自然科学研究理事会;
关键词：
mixed metal complexes; alkyne bridged complexes; phosphido complexes; molybdenum; cobalt; tungsten;
D O I：
10.1016/S0022-328X(98)00621-4
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Reaction of the mixed-metal alkyne-bridged complexes [(eta(5)-C5H5)(OC)(2)M{mu-C-2(CO2Me)(2)}Co(CO)(3)] (M = Mo or W) with Ph2PC=(CBu)-Bu-t in refluxing toluene gives the complexes [(eta(5)-C5H5)(OC)(2)M{mu-(BuCCC)-Bu-t(CO2Me)=C(CO2Me)PPh2} Co(CO)(2)], [(eta(5)-C5H5)(OC)(2)M{mu-C-2(CO2Me)(2)}Co(CO)(2)(Ph2PC=(CBu)-Bu-t)](M=Mo or W) and [(eta(5)-C5H5)(OC)W{mu-C(CO2Me)=C(CO2Me)C=(CBu)-Bu-t) (mu-PPh2)Co(CO)(2)]. The structures of the two complexes, [(eta(5)-C5H5)(OC)(2)Mo {mu-(BuCCC)-Bu-t(CO2Me)=C(CO2Me)PPh2} Co(CO)(2)] and [(eta(5)-C5H5)(OC)W{mu-C(CO2Me)=C(CO2Me)C=(CBu)-Bu-t}(mu-PPh2)Co(CO)(2)], have been determined by X-ray analysis. Possible reaction pathways for the formation of the new complexes are proposed and discussed. (C) 1999 Elsevier Science S.A. All rights reserved.
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页码：180 / 188
页数：9
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