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:
Dec. 17, 1991
Filed:
Jan. 25, 1991
Applicant:
Inventors:
Sanji Hagishita, Nara, JP;
Kaoru Seno, Hyogo, JP;
Assignee:
Shionogi & Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
564374 ; 564398 ;
Abstract
This invention relates to an optically active (+)-secondary amine of the formula: ##STR1## wherein R.sup.1 is a lower alkyl, and to a process for preparing a useful intermediate for the production of the optically active dopamine derivatives, namely, optically active (+)-primary amine of the formula: ##STR2## wherein R.sup.1 is a lower alkyl, characterized by the reduction of said optically active (+)-secondary amine.
Hagishita, Sanji. (1991). 4-(4-alkoxyphenyl)-2-butylamine derivative and process therefor (U.S. Patent No. 5073648). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5073648
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile