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:
Nov. 29, 1988
Filed:
May. 01, 1987
Atsuo Hazato, Hino, JP;
Toshio Tanaka, Hino, JP;
Noriaki Okamura, Chofu, JP;
Kiyoshi Bannai, Hino, JP;
Kurozumi, Seizi, Kokubunji, JP;
Suzuki, Masaaki, Nagoya, JP;
Noyori, Ryoji, Aichi, JP;
Teijin Limited, Tokyo, JP;
Abstract
A novel isocarbacyclin which is a compound represented by the following formula ##STR1## wherein R.sup.1 represents a hydrogen atom, or a C.sub.1 -C.sub.4 alkyl or alkenyl group; R.sup.2 and R.sup.3 are identical or different and each represents a hydrogen atom, a tri(C.sub.1 -C.sub.7)hydrocarbon-silyl group or a group forming an acetal linkage together with the oxygen atom of the hydroxyl group; R.sup.4 represents a hydrogen atom, a methyl group or a vinyl group; R.sup.5 represents an unsubstituted linear or branched C.sub.3 -C.sub.8 alkyl group which may be interrupted by an oxygen atom, a substituted linear or branched C.sub.1 -C.sub.5 group in which the substituent is a C.sub.1 -C.sub.6 alkoxy group or a phenyl, phenoxy or C.sub.3 -C.sub.10 cycloalkyl group which may be substituted further, a phenyl group which may be substituted, a phenoxy group which may be substituted, or a C.sub.3 -C.sub.10 cycloalkyl group which may be substituted; n is 0 or 1; and Ar represents a substituted or unsubstituted phenyl group, its enantiomorph, or a mixture both in an arbitrary ratio.