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:
Jul. 07, 1998
Filed:
Feb. 28, 1997
Applicant:
Inventors:
Takaji Matsumoto, Kanagawa, JP;
Toshiyuki Murayama, Kanagawa, JP;
Shigeru Mitsuhashi, Kanagawa, JP;
Takashi Miura, Kanagawa, JP;
Assignee:
Takasago International Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07F / ; C07B / ;
U.S. Cl.
CPC ...
540200 ;
Abstract
A process for producing cyclohexylazetidinone expressed by the formula(IV) comprises condensing the magnesium enolate compound expressed by the formula (II) with acyloxyazetidinone expressed by the formula (III), wherein Me is a methyl group; R.sup.1 is a hydroxyl-protecting group, R.sup.2 is an acyl group, and X is a halogen atom. ##STR1##