General and selective head-to-head dimerization of terminal alkynes proceeding via hydropalladation pathway期刊界 All Journals 搜尽天下杂志传播学术成果专业期刊搜索期刊信息化学术搜索

General and selective head-to-head dimerization of terminal alkynes proceeding via hydropalladation pathway

Authors:	Jahier Claire Zatolochnaya Olga V Zvyagintsev Nickolay V Ananikov Valentine P Gevorgyan Vladimir

Affiliation:	Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, Illinois 60607-7061, USA.

Abstract:	A general highly regio- and stereoselective palladium-catalyzed head-to-head dimerization reaction of terminal acetylenes is presented. This methodology allows for the efficient synthesis of a variety of 1,4-enynes as single E stereoisomers. Computational studies reveal that this dimerization reaction proceeds via the hydropalladation pathway.

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