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A convenient preparation of N-Alkyl-2,5-dihydroisoxazoles from O-Allyl oximes

✍ Scribed by E Tang; Xiang-Jin Lin; Xian Huang

Publisher: John Wiley and Sons
Year: 2010
Tongue: English
Weight: 338 KB
Volume: 22
Category: Article
ISSN: 0256-7660
DOI: 10.1002/cjoc.20040221027

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✦ Synopsis

Abstract

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.

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