A Convenient Preparation of N-Alkyl-2,5-dihydroisoxazoles from O-Allyl Oximes

• 来源期刊: 中国化学（英文版）
• 年，卷（期）: 2004,（10）
• 页码范围: 1192-1195
• 页数: 4页
• 语种: 英文

摘要

The organoselenium-induced ring-closure reaction of O-allyl oximes gave cyclic iminium salts, which reacted with Grignard reagents to produce N-alkyl-4-phenylselenoisoxazolidines. 2,5-Dihydroisoxazoles could be obtained in good yields by subsequent selenoxide syn-elimination.