TRICYCLIC COMPOUNDS AS MATRIX METALLOPROTEINASE INHIBITORS.

摘要

The present teachings relate to compounds of formula I: and pharmaceutically acceptable salts and esters thereof, wherein R1, R2, R3, R4, X, and Y are as defined herein. The present teachings also provide methods of making the compounds of formula I and methods of inhibiting matrix metalloproteinases, in particular, MMP-12, that may be involved in pathological disorders found in mammals, including a human.