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Journal of Zhejiang University SCIENCE A

ISSN 1673-565X(Print), 1862-1775(Online), Monthly

2004 Vol.5 No.2 P.218-221

Reductive cyclodimerization of arylmethylidenemalononitriles promoted by samarium and catalytic amount of iodine: facile synthesis of cyclopentene derivatives

CHEN Jue, ZHANG Yong-min

Ningbo Institute of Technology, Zhejiang University, Ningbo 315104, China; Department of Chemistry, Zhejiang University, Hangzhou 310028, China; State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of science, Shanghai 200032, China

chenjue@hkem.com

Abstract: Samarium and a catalytic amount of iodine were used to obtain functionalized cyclopentenes by reductive dimerization followed by intramolecular cyclization of 1,1-dicyanoalkenes under mild conditions.

Key words: Metallic samarium, Catalyzed by iodine, 1,1-dicyanoalkenes, Reductive cyclodimerization, Cyclopentene derivatives


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DOI:

10.1631/jzus.2004.0218

CLC number:

O622.6

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Received:

2002-06-16

Revision Accepted:

2003-01-03

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