Hydroxamic acid derivatives as metalloproteinase inhibitors

US5652262A · kind A · utility

Assignee

• British Biotech Pharmaceuticals Ltd. · GB

Inventors

• Michael J. Crimmin · Cowley, GB
• Raymond Paul Beckett · Cowley, GB
• Mark Hampton Davis · Cowley, GB

Key dates

• Filing date: Dec 1, 1995
• Grant date: Jul 29, 1997
• Expiry date: Dec 1, 2015

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02A50/30
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Compounds of general formula (I) wherein R.sup.1 represents a hydrogen atom or a C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkenyl, phenyl, phenyl(C.sub.1 -C.sub.6)alkyl, C.sub.1 -C.sub.6 alkylthiomethyl, phenylthiomethyl, substituted phenylthiomethyl, phenyl(C.sub.1 -C.sub.6)alkylthiomethyl or heterocyclylthiomethyl group; or R.sup.1 represents --S--R.sup.x wherein R.sup.x represents a group .alpha.; R.sup.2 represents a hydrogen atom or a C.sub.1 -C.sub.6 alkyl, C.sub.1 -C.sub.6 alkenyl, phenyl(C.sub.1 -C.sub.6)alkyl, cycloalkyl(C.sub.1 -C.sub.6)alkyl, or cycloalkenyl(C.sub.1 -C.sub.6)alkyl; R.sup.3 represents an amino acid side chain or a C.sub.1 -C.sub.6 alkyl, benzyl, (C.sub.1 -C.sub.6)alkoxybenzyl, benzyloxy(C.sub.1 -C.sub.6)alkyl or benzyloxybenzyl group; R.sup.4 represents a hydrogen atom or a methyl group; R.sup.5 represents a group (CH.sub.2).sub.n A; or R.sup.4 and R.sup.5 together represent a group .beta.; Q represents CH.sub.2 or CO; m is an integer from 1 to 3; n is an integer from 1 to 6; and A represents a hydroxy, (C.sub.1 -C.sub.6)alkoxy, (C.sub.2 -C.sub.7)acyloxy, (C.sub.1 -C.sub.6)alkylthio, phenylthio, (C.sub.2 -C.sub.7)acylamino or N-pyrrolidone group or a salt…