Organic letters

Photoinduced Atom-Transfer Cyclization of α-Iodocycloalkanones Bearing an Allenyl Side Chain

HH Lin, WS Chang, SY Luo, CK Sha

Index: Lin, Hsien-Hsun; Chang, Wen-Sheng; Luo, Shun-Yuan; Sha, Chin-Kang Organic Letters, 2004 , vol. 6, # 19 p. 3289 - 3292

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Citation Number: 10

Abstract

Irradiation of α-iodocycloalkanones bearing an allenyl side chain with a sunlamp effected atom-transfer cyclization to give cyclized products in good yield. A mechanism, involving radical atom-transfer cyclization accompanied by 1, 5-and 1, 4-hydrogen transfers, is proposed.