Patent ID: 6420409
Filing Date: 2002-07-16
Classification: A61P,C07D

Abstract:
A benzimidazole derivative represented by the following formula (I) or a salt thereof: wherein R1 represents a hydrogen atom, a lower alkyl group, a lower alkoxy group, or a lower alkylthio group; R2 represents an aromatic lower alkyl group, which may be substituted with one or more groups selected from a halogen atom, an alkyl group, a halo-lower alkyl group, a nitro group, a lower alkoxycarbonyl group, an aromatic group, an aromatic lower alkyloxy group, a lower cycloalkyloxy-lower alkyl group, an aromatic lower alkyl group, an aromatic lower alkenyl group, an aromatic lower alkynyl group, an aromatic oxy lower alkyl group, a lower cycloalkyl-lower alkyloxy group, an alkenyl group, a lower alkoxy group, a lower alkylthio group, a lower alkanesulfinyl group, a lower alkanesulfonyl group, and a lower alkanesulfonylcarbamoyl group; R3 represents an alkyl group, a hydroxy lower alkyl group, an alkenyl group, an aromatic group, a halogenated aromatic group, a lower alkyl aromatic group, a lower alkenyl aromatic group, an aromatic lower alkyl group, or an aromatic lower alkenyl group; and â€”Xâ€” is a cross-linking group represented by any one of the following formulas (II) to (V):