N,N-disubstituted amic acid derivatives

Details N,N-disubstituted amic acid derivatives N,N-disubstituted amic acid derivatives

1998-03-25

2000-01-25

Killos, Paul J.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Ester doai

560 42, 562449, 514259, 514350, 514355, 514364, 514371, 514444, 514465, 514471, 514533, 514539, 514563, 514570, 544322, 546291, 546309, 548131, 548195, 549 58, 549435, 549487, A01N 3700, A61K 31505, A61K 3119, A61K 31215, C07D23942

Patent

active

060179562

ABSTRACT:
The present invention relates to a compound of the formula (I): ##STR1## wherein Ar.sup.1, Ar.sup.2, Ar.sup.3 and Ar.sup.4 represent an aryl group or a heteroaromatic ring group; A represents a hydrocarbon group which may be substituted; X and Y represent an oxygen atom, a sulfur atom, a carbonyl group or a group of the formula --CHR.sup.a -- (wherein R.sup.a is a hydrogen atom or a lower alkyl group) or --NR.sup.b -- (wherein R.sup.b is a hydrogen atom or a lower alkyl group), or X and Y together represent a vinylene group or an ethynylene group; R.sup.1, R.sup.2, R.sup.3, R.sup.8 and R.sup.9 represent a hydrogen atom, a halogen atom, a hydroxyl group, a lower alkyl group or a lower alkoxy group; R.sup.4 and R.sup.5 represent a hydrogen atom, a halogen atom, a hydroxyl group, an amino group, a nitro group, a cyano group, a carboxyl group, a lower alkoxycarbonyl group, a carbamoyl group, a lower alkylcarbamoyl group, a lower alkyl group, a lower hydroxyalkyl group, a lower fluoroalkyl group or a lower alkoxy group; R.sup.6 is a lower alkyl group; and R.sup.7 is a hydrogen atom or a lower alkyl group, provided that when one of X and Y is an oxygen atom, a sulfur atom or a group of the formula --NR.sup.b --, the other is a carbonyl group or a group of the formula --CHR.sup.a --, its pharmaceutically acceptable salt or ester, and an antitumor agent containing it as an active ingredient.

REFERENCES:
patent: 5260465 (1993-11-01), Singh et al.
patent: 5340828 (1994-08-01), Graham et al.
patent: 5488149 (1996-01-01), Nomoto et al.

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