Synlett 2004(14): 2501-2504  
DOI: 10.1055/s-2004-834828
LETTER
© Georg Thieme Verlag Stuttgart · New York

Facile and Environmentally Benign Zn-Mediated Cyclopropanation of Electron-Deficient 2-Iodoethyl-Substituted Olefins via Radical 3-exo-trig Manner

Daisuke Sakumaa, Hideo Togo*a,b
a Graduate School of Science and Technology, Chiba University, Yayoi-cho 1-33, Inage-ku, Chiba 263-8522, Japan
b Department of Chemistry, Faculty of Science, Chiba University, Yayoi-cho 1-33, Inage-ku, Chiba 263-8522, Japan
e-Mail: togo@faculty.chiba-u.jp;
Further Information

Publication History

Received 12 August 2004
Publication Date:
20 October 2004 (online)

Abstract

An efficient, simple, cheap, and environmentally benign preparation of cyclopropanes via 3-exo-trig manner from various electron-deficient 2-iodoethyl-substituted olefins with zinc powder in a mixture of t-butyl alcohol and water was achieved.

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All compounds gave satisfactory spectroscopic data.