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:
Feb. 24, 2015
Filed:
Nov. 05, 2012
Applicant:
Kureha Corporation, Tokyo, JP;
Inventor:
Hisashi Kanno, Tokyo, JP;
Assignee:
Kureha Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 305/14 (2006.01); C07D 405/06 (2006.01);
U.S. Cl.
CPC ...
C07D 405/06 (2013.01);
Abstract
A 4-benzyl-1-methyl-6-oxabicyclo[3,2,0]heptane derivative is manufactured by reducing, in the presence of both a halogenating agent and a hydride-type reducing agent, a methylene moiety bound to a sulfonyloxy group in a compound represented by General Formula (II).