abstract |
The present invention provides a compound of formula (1), or pharmaceutical acceptable salts thereof wherein R1 is C4-12 alkyl, C4-12 alkenyl, C4-12 alkynyl, —(CH2)h-C3-8 cycloalkyl, substituted and unsubstituted —(CH2)h-aryl, substituted and unsubstituted-(CH2)h-het, R2 is substituted and unsubstituted C1-12 alkyl, substituted and unsubstituted C2-12 alkenyl, substituted and unsubstituted C2-12 alkynyl, substituted and unsubstituted-(CH2)h-C3-8 cycloakyl, substituted and unsubstituted —(CH2)h-C3-8 unsubstituted-(CH2)h-C3-8 cycloakyl, substituted and unsubstituted —(CH2)h-C3-8 cycloalkenyl, substituted and unsubstituted-(CH2)h-aryl, substituted and unsubstituted-(CH2)h-heterocyclic ring, substituted and unsubstituted —(CH2)i-X—R4 (X is —O—, —S(═O)j-, —NR7-, —S(═O)2NR8-, or —C(═O)—), and —(CH2)iCHR5R6. The compounds are inhibitors of matrix metalloproteinases involved in tissue degradation |