| abstract |
The present invention provides a compound of formula Ior 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 cycloalkyl, 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. |