Pharmaceutical compounds

Details Pharmaceutical compounds Pharmaceutical compounds

1990-04-12

1991-07-02

Bond, Robert T.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

540593, A61K 3155, C07D51304

Patent

active

050286021

ABSTRACT:
Pharmaceutical compounds having the formula ##STR1## in which R.sup.1 is hydrogen, hydroxy, nitro, cyano, halo, amino, acetamido, hydroxy-C.sub.1-4 alkyl, carboxaldehydo, C.sub.1-4 alkyl-carbonyl, carboxy, C.sub.1-4 alkoxy-carbonyl, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, C.sub.1-4 alkylthio, C.sub.1-4 alkylsulphonyl or C.sub.1-4 alkoxy-C.sub.1-4 alkyl, R.sup.2 is hydrogen or halo, R.sup.3 is optionally substituted phenyl or optionally substituted phenyl ortho condensed with an optionally substituted ring selected from benzene, cyclohexane, cyclohexene, cyclopentane or cyclopentene, in which ring one of the carbon atoms may be replaced by oxygen, sulphur or nitrogen, and R.sup.4 is hydrogen, C.sub.1-4 alkyl, C.sub.2-4 alkenyl or optionally substituted benzyl; and salts thereof.

REFERENCES:
patent: 4414225 (1983-11-01), Sauter et al.
patent: 4575504 (1986-03-01), Sauter et al.
patent: 4751222 (1988-06-01), Brasstrup et al.
A Barnett, Drugs of the Future, II, 49-56 (1986).
Andersen et al., Eur. J. Pharmacol., 137, 291-92 (1987).

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