Synthesis 2001(13): 1959-1964
DOI: 10.1055/s-2001-17701
PAPER
© Georg Thieme Verlag Stuttgart · New York

A Convenient Synthesis of 5-Trichloromethyl-5-hydroxy-3-heteroalkyl-4,5-dihydroisoxazoles

Marcos A. P. Martins*, Adilson P. Sinhorin, Nilo E. K. Zimmermann, Nilo Zanatta, Helio G. Bonacorso, Giovani P. Bastos
Núcleo de Química de Heterociclos, Departamento de Quimica, Universidade Federal de Santa Maria, 97.105-900 Santa Maria, RS, Brazil
Fax: +55 55 2208031; e-Mail: mmartins@base.ufsm.br;
Further Information

Publication History

Received 29 March 2001
Publication Date:
10 August 2004 (online)

Abstract

A synthetic strategy to obtain a series of 3-heteroalkyl-4,5-dihydroisoxazoles, which is based on the cyclocondensation reaction of 5-heteroalkyl-1,1,1-trichloro-4-methoxy-3-penten[hexen]-2-ones 1a-g, 2a-g with hydroxylamine has been developed. The preparation of 1,1,1-trichloro-5-heteroalkyl-4-methoxy-3-penten[hexen]-2-ones in good yields is also described.