NEW COMPOUNDS, METHODS FOR THEIR PREPARATION AND USE THEREOF

摘要

A compound of formula (I) wherein X is CH=CH, CH 2O wherein the oxygen at om is bound to ring B or OCH 2wherein the oxygen atom is bound to ring A; Y is hydrogen, straight or branched C1-C6 alkyl or a pharmaceutically acceptab le inorganic cation; R1 is ethyl or cyclopropyl; and R2 and R3 are the same or different and are selected from F, Cl, Br, CF 3and OCF 3. The compound is useful for the treatment of autoimmune diseases, inflammatory diseases, org an transplant rejection and malignant neoplasia. A pharmaceutical compositio n. A method for preparing the compound.