4-aminophenol derivatives and processes for preparing the same

Details 4-aminophenol derivatives and processes for preparing the same 4-aminophenol derivatives and processes for preparing the same

1989-12-04

1991-09-10

Dees, Jose G.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549 49, 549 72, 548494, 564207, C07D20733, C07D33338, C07D23538

Patent

active

050475550

ABSTRACT:
There are disclosed a 4-aminophenol derivative of the formula: ##STR1## (wherein R.sup.1 and R.sup.2 each represent a lower alkyl group, Y represents a single bonding arm, a lower alkylene group or a lower alkenylene group, R.sup.3 represents a thienyl group or pyrrolyl group which may be also substituted with a lower alkyl group; benzothienyl group, indolyl group; or a phenol group which is substituted with 1 to 2 groups selected from a lower alkoxy group and a lower alkanoyloxy group; or Y-R.sup.3 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 processes for preparing the same.

REFERENCES:
patent: 4152319 (1979-05-01), Kline
patent: 4222946 (1980-09-01), Evans et al.
patent: 4677113 (1987-06-01), Bell et al.
patent: 4731376 (1988-03-01), Hideg et al.
Patent Abstracts of Japan, vol. 11, No. 133 (C-418)(2580), Apr. 25, 1987; & JP-A-61 271 268 (Hisamitsu Pharmaceut. Co. Inc.) Dec. 1, 1986 (Cat. D).
Patent Abstracts of Japan, vol. 11, No. 267 (C-443)(2714), Aug. 28, 1987; & JP-A-62 67 023 (Otsuka Pharmaceut. Factory Inc.) Mar. 26, 1987 (Cat. D).
Chemical Abstracts, vol. 77, No. 22, Jul. 10, 1972, p. 59, abstract No. 6555w, Columbus, Ohio, U.S.A.; & JP-71 24 784 (Cat. D).

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