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:
Feb. 02, 1982
Filed:
Feb. 19, 1980
Ono Pharmaceutical Co. Ltd., Osaka, JP;
Abstract
Prostaglandin I.sub.2 analogues of the general formula ##STR1## [wherein R.sup.1 represents a hydrogen atom, an alkyl group containing from 1 to 12 carbon atoms, an aralkyl group containing from 7 to 13 carbon atoms, a cycloalkyl group containing from 4 to 7 carbon atoms unsubstituted or substituted by at least one alkyl group containing from 1 to 4 carbon atoms, a phenyl group unsubstituted or substituted by at least one halogen atom, trifluoromethyl or phenyl group, or by at least one alkyl, alkoxy or alkylthio group containing from 1 to 4 carbon atoms, or represents a group --C.sub.m H.sub.2m COOR.sup.6, --C.sub.n H.sub.2n OR.sup.7 or ##STR2## in which m represents an integer of 1 to 12, n represents an integer of 2 to 12, R.sup.6, R.sup.8 and R.sup.9, which may be the same or different, each represent an alkyl group containing from 1 to 4 carbon atoms, and R.sup.7 represents a hydrogen atom or an alkyl group containing from 1 to 4 carbon atoms, R.sup.2 represents a hydrogen atom or a methyl or ethyl group, R.sup.3 represents an alkyl group containing from 1 to 4 carbon atoms, R.sup.4 represents a hydrogen atom, or an alkyl group containing from 1 to 4 carbon atoms, R.sup.5 represents an alkyl group containing from 1 to 10 carbon atoms, Y represents ethylene or trans-vinylene, the hydroxy group attached to the C-11 carbon atom is in .alpha.-configuration, and the wavy line attached to the C-15 carbon atom is in .alpha.- or .beta.-configuration or a mixture thereof] and non-toxic acid addition salts thereof and, when R.sup.1 represents a hydrogen atom, non-toxic salts thereof are new compounds possessing pharmacological properties typical of the prostaglandins.