Cationic rhodium(I)/bisphosphine complex-catalyzed cyclization of 1,6-diynes with carboxylic acids

Ken Tanaka; Shunsuke Saitoh; Hiromi Hara; Yu Shibata

doi:10.1039/b913344e

Cationic rhodium(I)/bisphosphine complex-catalyzed cyclization of 1,6-diynes with carboxylic acids

Org Biomol Chem. 2009 Dec 7;7(23):4817-20. doi: 10.1039/b913344e. Epub 2009 Sep 15.

Authors

Ken Tanaka¹, Shunsuke Saitoh, Hiromi Hara, Yu Shibata

Affiliation

¹ Department of Applied Chemistry, Graduate School of Engineering, Tokyo University of Agriculture and Technology, Koganei, Tokyo 184-8588, Japan. tanaka-k@cc.tuat.ac.jp

PMID: 19907768
DOI: 10.1039/b913344e

Abstract

A cationic rhodium(I)/bisphosphine complex catalyzes carboxylative cyclizations of 1,6-diynes, leading to cyclic dienyl carboxylates, in high yields with high chemo-, regio-, and stereoselectivities under mild reaction conditions.

MeSH terms

Alkynes / chemical synthesis
Alkynes / chemistry*
Carboxylic Acids / chemical synthesis
Carboxylic Acids / chemistry*
Catalysis
Cations / chemistry
Cyclization
Organometallic Compounds / chemistry*
Phosphines / chemistry*
Rhodium / chemistry*
Stereoisomerism

Substances

Alkynes
Carboxylic Acids
Cations
Organometallic Compounds
Phosphines
Rhodium