Formation of a vinyliminium palladium complex by C-C coupling in vinylcarbene palladium aryl complexes

被引：41
|
作者：
Albéniz, AC
Espinet, P
Pérez-Mateo, A
Nova, A
Ujaque, G
机构：
[1] Univ Valladolid, Fac Ciencias, E-47005 Valladolid, Spain
[2] Univ Autonoma Barcelona, Unitat Quim Fis, E-08193 Barcelona, Spain
来源：
ORGANOMETALLICS | 2006年 / 25卷 / 05期
关键词：
D O I：
10.1021/om051028s
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Pentafluorophenyl palladium complexes 3 and 5 bearing a vinylcarbene ligand slowly decompose on heating by migratory insertion to give Pd(O) and the vinyliminium salts (Et2N=C(C6F5)CH=CHPh)X (X = Br, BF4). However, the presence of triphenylphosphine in complex 4 stabilizes 7, a compound with a C=C Pd-bound vinyliminium moiety, where there is a strong preference for the C=C versus the C=N coordination.
引用
收藏
页码：1293 / 1297
页数：5
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