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:
Aug. 13, 2019
Filed:
Jul. 19, 2016
Applicant:
Sumitomo Chemical Company, Limited, Tokyo, JP;
Inventors:
Assignee:
SUMITOMO CHEMICAL COMPANY, LIMITED, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 315/02 (2006.01); C07C 315/04 (2006.01); C07C 317/22 (2006.01); C07C 317/36 (2006.01); C07C 209/36 (2006.01); C07C 201/08 (2006.01); C07C 53/128 (2006.01);
U.S. Cl.
CPC ...
C07C 315/02 (2013.01); C07C 201/08 (2013.01); C07C 209/36 (2013.01); C07C 315/04 (2013.01); C07C 317/22 (2013.01); C07C 317/36 (2013.01); C07C 53/128 (2013.01); C07C 2523/42 (2013.01);
Abstract
A compound represented by formula (4): can be produced by adding a heterogeneous transition metal catalyst to a solution containing a compound represented by formula (3): obtained by performing a nitration reaction by adding a nitrating agent to a solution containing a compound represented by formula (2): obtained by oxidizing a compound represented by formula (1): with hydrogen peroxide in the presence of sodium tungstate and a saturated C8 carboxylic acid, then adding water to the resultant mixture, and separating the resultant solution.