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. 23, 1998
Filed:
Jan. 30, 1996
Applicant:
Inventors:
Nobushige Itaya, Nishinomiya, JP;
Ryuhei Wakita, Toyonaka, JP;
Asako Kubo, Toyonaka, JP;
Mikio Sasaki, Ibaraki, JP;
Takashi Namba, Matsubara, JP;
Yusuke Yukimoto, Chiba, JP;
Assignees:
Sumitomo Chemical Company Limited., Osaka-Fu, JP;
Daiichi Pharmaceutical Co., Ltd., Tokyo-To, JP;
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562506 ;
Abstract
A process for producing a 2-fluorocyclopropane-carboxylic acid of formula �I! ##STR1## by reducing a 2-halo-2-fluorocyclopropanecarboxylic acid of formula �II! ##STR2## the reduction being carried out by developing a Raney nickel alloy in the presence of the 2-halo-2-fluorocyclo-propanecarboxylic acid of formula �II!, or by contacting the 2-halo-2-fluorocyclopropanecarboxylic acid of formula �II! with hydrogen in an aqueous solvent using a Raney nickel catalyst.