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:
May. 21, 1991
Filed:
May. 05, 1989
Ono Pharmaceutical Co., Ltd., Osaka, JP;
Abstract
The compounds of the formula: ##STR1## (wherein R.sup.1 is hydrogen or alkyl; R.sup.2 is carbocyclic or heterocyclic ring, unsubstituted or substituted by R.sup.3 S; R.sup.3 is halogen, trihalomethyl, hydroxy, alkyl, alkoxy, alkylthio, alkylsulfinyl, alkylsulfornyl, cyano, nitro, or group of the formula: --C.sub.6 H.sub.4 --R.sup.4, --NR.sup.5 R.sup.6, --CO--R.sup.7, --COOR.sup.8, --CONR.sup.5 R.sup.6, --SO.sub.2 NR.sup.5 R.sup.6 or --NHCO--R.sup.7, in which R.sup.4 is hydrogen, halogen, trihalomethyl, hydroxy, alkyl or alkoxy, R.sup.5 and R.sup.6 are each hydrogen or alkyl, R.sup.7 is alkyl or phenyl substituted by R.sup.4 and R.sup.8 is hydrogen or alkyl; Z is hydrogen or group of the formula: --COR.sup.9, ##STR2## in which R.sup.9 is alkyl or phenyl substituted by R.sup.10, in which R.sup.10 is hydrogen, halogen, trihalomethyl, alkyl or alkoxy, R.sup.11 and R.sup.12 are each hydrogen, alkyl or phenyl substituted by R.sup.10, or R.sup.11 and R.sup.12 together represent alkylene and p is 1 or 2; .circle. is phenyl or cycloalkyl substituted by R.sup.13 in which R.sup.13 is hydrogen, halogen, trihalomethyl, alkyl or alkoxy; and m is zero and n is 1 to 4 or n is zero and m is 1 to 4; and non-toxic salts thereof have inhibitory effect on enkephalinase, and therefore, are useful as analgesic, antianxiety and anticonvulsant.