Patent number: 7112594
Abstract: Compounds represented by the following general formula (I) wherein ring A is benzene, cyclohexane, pyridine, piperidine, a derivative thereof, imidazole, a derivative thereof, etc.; the ring B represents benzene, cyclohexane, pyrrole or a derivative thereof, furan, thiophene, etc.; R1, R2 and R3 represent each hydrogen, alkyl, halogen, hydroxyl, alkoxy, etc.; W represents hydrogen, alkyl or hydroxycarbonylalkyl; X represents halogen, cyano, nitro, etc.; X? represents hydrogen, halogen, etc.; and Y represents alkyl, hydroxyalkyl, hydroxycarbonylalkyl, aminoalkyl, etc.; salt thereof, and drugs comprising these compounds. Because of having an exellent effect of inhibiting activated lymphocyte proliferation, these compounds are usefull as preventives or remedies for various autoimmune diseases.
Type:
Grant
Filed:
August 9, 2001
Date of Patent:
September 26, 2006
Assignee:
Mitsubishi Pharma Corporation
Inventors:
Hiroyuki Ushio, Youichiro Naito, Naoki Sugiyama, Takafumi Kawaguchi, Makio Ohtsuki, Kenji Chiba