作者: Gerhard Roth , Helmut Fischer
DOI: 10.1021/OM960605X
关键词:
摘要: Sequential treatment of the in situ generated heptatriyne Me3SiC⋮CC⋮CC⋮CC(NMe2)3 with n-BuLi, (CO)5W[THF], and BF3·OEt2 affords first alkenyl-substituted pentatetraenylidene complex, (CO)5WC CCCC(NMe2)C(H)C(NMe2)2 (4), via addition dimethylamine to CeCζ bond intermediate heptahexaenylidene complex (CO)5WCαCβCγCδ CeCζCη(NMe2)2. In addition, alkynyl(butatrienyl)carbene (CO)5WC(C⋮CSiMe3)C(Bu)C CC(NMe2)2 (5) is formed.