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:
Mar. 30, 1982
Filed:
May. 27, 1980
Applicant:
Inventors:
Assignee:
Sankyo Company Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
424305 ; 542426 ; 424317 ; 560119 ; 562501 ; 568374 ;
Abstract
Prostacyclin derivatives of formula (I): ##STR1## (wherein R.sup.1 represents a hydrogen atom or a lower alkyl group; R.sup.2 represents an alkenyl group having from 8 to 12 carbon atoms; and n represents an integer of from 1 to 8, inclusive) and pharmaceutically acceptable salts thereof, are valuable pharmaceuticals, showing excellent thrombocyte agglutination inhibitory, coronary blood vessel dilatory and bronchodilatory effects, and may be prepared by introducing the .dbd.CH(CH.sub.2).sub.n COOR.sup.1 side chain onto an appropriate compound by means of a Wittig reaction.