The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 13, 2021
Filed:
Dec. 13, 2018
Applicant:
Kumiai Chemical Industry Co., Ltd., Tokyo, JP;
Inventor:
Toshihiro Nagata, Tokyo, JP;
Assignee:
Kumiai Chemical Industry Co., Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07D 261/04 (2006.01); B01J 31/04 (2006.01); B01J 31/02 (2006.01);
U.S. Cl.
CPC ...
C07D 261/04 (2013.01); B01J 31/0231 (2013.01); B01J 31/04 (2013.01);
Abstract
The present invention addresses the problem of providing an industrially preferable, economical, and environmentally friendly method for producing the 4,5-dihydroisoxazole represented by a formula (3). The present invention enables the compound of a formula (3) to be produced by reacting the compound of a formula (2) according to the reaction represented by a reaction formula in the presence of an acid catalyst.