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:
Sep. 29, 1981
Filed:
Feb. 04, 1980
Keiichi Ono, Osaka, JP;
Akihiko Sugie, Toyonaka, JP;
Hajime Kawakami, Takarazuka, JP;
Junki Katsube, Toyonaka, JP;
Sumitomo Chemical Company, Limited, Osaka, JP;
Abstract
A process for producing novel aldol derivatives of the formula, ##STR1## wherein C=W is a carbonyl group or a protected carbonyl group which comprises reacting a compound of the formula: ##STR2## wherein C=W is as defined above in the presence of an acid or a base at a temperature ranging from -70.degree. C. to room temperature. The novel aldol derivatives of the above formula are useful as intermediate for producing methanoprostacyclin derivatives which are useful medicines for prevention of thrombosis.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile