Search International and National Patent Collections

1. (WO1998050368) BENZIMIDAZOLE DERIVATIVE

Pub. No.:    WO/1998/050368    International Application No.:    PCT/JP1998/001986
Publication Date: Fri Nov 13 00:59:59 CET 1998 International Filing Date: Fri May 01 01:59:59 CEST 1998
IPC: C07D 235/14
C07D 235/30
Applicants: NISSAN CHEMICAL INDUSTRIES, LTD.
TANIKAWA, Keizo
KAMIKAWAJI, Yoshimasa
HIROTSUKA, Mitsuaki
IWAMA, Takehisa
YAMAMOTO, Akiko
FUJITA, Yoichiro
Inventors: TANIKAWA, Keizo
KAMIKAWAJI, Yoshimasa
HIROTSUKA, Mitsuaki
IWAMA, Takehisa
YAMAMOTO, Akiko
FUJITA, Yoichiro
Title: BENZIMIDAZOLE DERIVATIVE
Abstract:
A benzimidazole derivative of formula (I) or its salt wherein A is a single bond or a C1-2 alyklene group (this alkylene group may optionally be substituted by a C1-4 alkyl group), R6 is a C¿1-4? alkyl group (this alkyl group may optionally be substituted by a phenyl group), B is a C2-3 alkylene group (this alkylene group may optionally be substituted by a C1-4 alkyl group), X is an oxygen atom, a sulfur atom or NR?7¿ (wherein R7 is a nitro group, a cyano group or a C¿1-4? alkoxy group), each of R?1 and R2¿ which are independent of each other, is a hydrogen atom, a halogen atom, a C¿1-4? alkyl group or a C1-4 alkoxy group, E is a C1-2 alkylene group (this alkylene group may optionally be substituted by a C1-4 alkyl group), R?3¿ is a phenyl group (this phenyl group may optionally be substituted by a halogen atom, a C¿1-4? alkyl group or a C1-4 alkoxy group), a C1-4 alkoxy group or a benzyloxy group, each of R?4 and R5¿ which are independent of each other, is a C¿1-4? alkyl group (this alkyl group may optionally be substituted by a phenyl group), D is a C1-2 alkylene group (this alkylene group may optionally be substituted by a C1-4 alkyl group), and Ar is a phenyl group (this phenyl group may optionally be substituted by a halogen atom, a C1-4 alkyl group, a C1-4 alkoxy group or a trifluoromethyl group).