过渡金属酰基化合物的三（五氟苯基）硼酸盐加合物

B(C6F5)3 adducts of transition metal acyl compounds.

作者信息

Llewellyn Simon A, Green Malcolm L H, Cowley Andrew R

机构信息

Inorganic Chemistry Laboratory, South Parks Road, Oxford, UK OX1 3QR.

出版信息

Dalton Trans. 2006 Apr 14(14):1776-83. doi: 10.1039/b514889h. Epub 2006 Jan 9.

DOI:10.1039/b514889h

PMID:16568187

Abstract

The transition metal acyl compounds [Co(L)(CO)3(COMe)] (L = PMe3, PPhMe2, P(4-Me-C6H4)3, PPh3 and P(4-F-C6H4)3), [Mn(CO)5(COMe)] and [Mo(PPh3)(eta(5)-C5H5)(CO)2(COMe)] react with B(C6F5)3 to form the adducts [Co(L)(CO)3(C{OB(C6F5)3}Me)] (L = PMe3, 1, PPhMe2, 2, P(4-Me-C6H4)3, 3, PPh3, 4, P(4-F-C6H4)3), 5, [Mn(CO)5(C{OB(C6F5)3}Me)] 6 and [Mo(eta(5)-C5H5)(PPh3)(CO)2(C{OB(C6F5)3}Me)], 7. Addition of B(C6F5)3 to a cooled solution of [Mo(eta(5)-C5H5)(CO)3(Me)], under an atmosphere of CO gave [Mo(eta(5)-C5H5)(CO)3(C{OB(C6F5)3}Me)] 8. In the presence of adventitious water, the compound [Co{HOB(C6F5)3}2{OP(4-F-C6H4)3}2] 9, was formed from [Co(P(4-F-C6H4)3)(CO)3(C{OB(C6F5)3}Me)]. The compounds 4 and 9 have been structurally characterised. The use of B(C6F5)3 as a catalyst for the CO-induced migratory-insertion reaction in the transition metal alkyl compounds [Co(PPh3)(CO)3(Me)], [Mn(CO)5(Me)], [Mo(eta(5)-C5H5)(CO)3(Me)] and [Fe(eta(5)-C5H5)(CO)2(Me)] has been investigated.

摘要

过渡金属酰基化合物[Co(L)(CO)3(COMe)]（L = PMe3、PPhMe2、P(4-Me-C6H4)3、PPh3和P(4-F-C6H4)3）、[Mn(CO)5(COMe)]以及[Mo(PPh3)(η5-C5H5)(CO)2(COMe)]与B(C6F5)3反应生成加合物[Co(L)(CO)3(C{OB(C6F5)3}Me)]（L = PMe3，1；PPhMe2，2；P(4-Me-C6H4)3，3；PPh3，4；P(4-F-C6H4)3，5）、[Mn(CO)5(C{OB(C6F5)3}Me)] 6以及[Mo(η5-C5H5)(PPh3)(CO)2(C{OB(C6F5)3}Me)]，7。在CO气氛下，向冷却的[Mo(η5-C5H5)(CO)3(Me)]溶液中加入B(C6F5)3得到[Mo(η5-C5H5)(CO)3(C{OB(C6F5)3}Me)] 8。在有痕量水存在的情况下，由[Co(P(4-F-C6H4)3)(CO)3(C{OB(C6F5)3}Me)]形成了化合物[Co{HOB(C6F5)3}2{OP(4-F-C6H4)3}2] 9。化合物4和9已通过结构表征。研究了B(C6F5)3作为过渡金属烷基化合物[Co(PPh3)(CO)3(Me)]、[Mn(CO)5(Me)]、[Mo(η5-C5H5)(CO)3(Me)]和[Fe(η5-C5H5)(CO)2(Me)]中CO诱导的迁移插入反应催化剂的应用。