Patent number: 7049324
Abstract: a prodrug, N-oxide, addition salt, quaternary amine or stereochemically isomeric form thereof, wherein L1 and L2 are R1—Y— wherein each (R1—Y)— substituent is defined independently of the other; Y is C1-4alkanediyl, C2-4alkenediyl, C2-4alkynediyl, C(?O), or a direct bond; R1 is hydrogen, cyano, aryl or a substituted or unsubstituted C1-14heterocycle; ?Z1—Z2?Z3— represents a radical of formula ?N—N?CH— (a-1), ?N—CH?N— (a-2), ?CH—N?N— (a-3); X is SO2, (CH2)n wherein n is 1 to 4, C(?O), C(?S), or a direct bond, R2 is aryl, C3-7cycloalkyl, C3-7cycloalkyl substituted with one or more substituents independently selected from hydroxy, aryl, aryloxy, a substituted or unsubstituted C1-14heterocycle, C3-7cycloalkyl, hydroxycarbonyl, C1-6alkyloxycarbonyl, hydroxyC1-6alkyl, hydroxyC1-6alkyloxy, hydroxyC1-6alkylthio and arylC1-6alkylthio, C1-12alkyl or C1-12alkyl substituted with one or more substituents independently selected from hydroxy, aryl, aryloxy, a substituted or unsubstituted C1-14heterocycle, C3-7cycloalky
Type:
Grant
Filed:
November 15, 2000
Date of Patent:
May 23, 2006
Inventors:
Ashis Kumar Saha, David William End, Bart Lieven Daniel De Corte, Henry Joseph Breslin, Li Liu