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Title:
PRODUCTION METHOD FOR 5,5-DI-SUBSTITUTED-4,5-DIHYDROISOXAZOLE
Document Type and Number:
WIPO Patent Application WO/2019/208643
Kind Code:
A1
Abstract:
The objective of the present invention is to provide a production method for a 4,5-dihydroisoxazole represented by formula (3), which is safe, industrially desirable, economical, and environmentally friendly. The present invention causes the compound of formula (1) to react with hydroxylamine in the presence of an acid catalyst to produce the compound of formula (3) through the reaction represented by the reaction equation.

Inventors:
NAGATA TOSHIHIRO (JP)
SHIKAMA DAISUKE (JP)
Application Number:
JP2019/017459
Publication Date:
October 31, 2019
Filing Date:
April 24, 2019
Export Citation:
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Assignee:
KUMIAI CHEMICAL INDUSTRY CO (JP)
International Classes:
C07D261/04; C07B61/00
Domestic Patent References:
WO2000058290A12000-10-05
Foreign References:
JP2013512202A2013-04-11
CN107652245A2018-02-02
Other References:
"Synthesis and Reaction of Organic Compounds III", NEW EXPERIMENTAL SCIENCE COURSE, vol. 14, 14 December 1977 (1977-12-14), pages 1325 - 1328
ZHU, X. ET AL.: "TEMPO-Mediated Aliphatic C-H Oxidation with Oximes and Hydrazones", ORGANIC LETTERS, vol. 15, no. 13, 2013, pages 3214 - 3217, XP055647331, ISSN: 1523-7052
UNCUTA, C. ET AL.: "Hydration of 2-isoxazoline leading to a stable 3, 5, 5-trisubstituted 3- isoxazolidinol - N-acylated derivatives and ring- chain tautomerism study", EUROPEAN JOURNAL OF ORGANIC CHEMISTRY, vol. 12, 2002, pages 1919 - 1924, XP055647338, ISSN: 1434-193X
Attorney, Agent or Firm:
SAEKI, Takuro et al. (JP)
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