4-aminophenol derivatives and processes for preparing the same

C - Chemistry – Metallurgy – 07 – C

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C07C 233/24 (2006.01) C07C 233/25 (2006.01) C07C 233/27 (2006.01) C07C 235/38 (2006.01) C07D 207/337 (2006.01) C07D 209/18 (2006.01) C07D 209/42 (2006.01) C07D 333/00 (2006.01) C07D 333/24 (2006.01) C07D 333/38 (2006.01) C07D 333/70 (2006.01)

Patent

CA 2004843

Abstract 4-Aminophenol derivatives and processes for preparing the same There are disclosed a 4-aminophenol derivative of the formula: Image (wherein R1 and R2 each represent a lower alkyl group, Y represents a single bonding arm, a lower alkylene group or a lower alkenylene group, R3 represents a thienyl group or pyrrolyl group which may be also substituted with a lower alkyl group; benzothienyl group, indolyl group; or a phenyl group which is substituted with 1 to 2 groups selected from a lower alkoxy group and a lower alkanoyloxy group; or Y-R3 represents integrally an alkyl group with 6 to 9 carbon atoms; or a hydrocarbon group with 5 to 14 carbon atoms having 2 or 3 double bonds) or a pharmacologically acceptable salt thereof, and pro- cesses for preparing the same.

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