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. 09, 1998
Filed:
Jul. 11, 1997
Applicant:
Inventors:
Mitsuaki Ohtani, Nara, JP;
Hisanori Takahashi, Kawanishi, JP;
Fumihiko Watanabe, Kitakatsuragi, JP;
Masami Takayama, Nara, JP;
Assignee:
Shionogi & Co., LTD., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
562402 ; 562401 ; 564302 ; 564303 ; 564460 ;
Abstract
A process for preparing an optically active 1,4-bridged-cyclohexane carboxylic acid derivatives which are clinically important thromboxane A.sub.2 thromboxane of formula (IV): ##STR1## wherein, R is phenyl or phenyl substituted with hydroxy, lower alkoxy, halogen, or lower alkyl; Y is oxygen, methylene, substituted methylene; m is 0 or 1; n is 0, 1 or 2; q is 3 or 4 with the proviso that when m is 1, n is 0 or 1 from an optically active norbornyl amine derivative.