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:
Jun. 02, 1992
Filed:
Jun. 14, 1990
Applicant:
Inventors:
Toshiki Mori, Kurashiki, JP;
Shigeaki Suzuki, Mountain View, CA (US);
Takashi Onishi, Kurashiki, JP;
Kazuo Yamamoto, Kurashiki, JP;
Assignee:
Kuraray Company, Ltd., Kurashiki, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ; C07C / ; C07C / ;
U.S. Cl.
CPC ...
560 51 ; 560126 ; 560174 ;
Abstract
The invention provides a novel process for produing .alpha. -keto-carboxylic acid esters that are useful as intermediates for the preparation of pharmaceutical drugs in high yield by oxidizing .alpha. -hydroxycarbocylic acid esters with hypochlorous acid in the presence of nitroxy radical.