2-Hydroxy-3-nitro-1,4-naphthoquinones for the prophylaxis of cer

Details 2-Hydroxy-3-nitro-1,4-naphthoquinones for the prophylaxis of cer 2-Hydroxy-3-nitro-1,4-naphthoquinones for the prophylaxis of cer

1976-03-12

1977-04-12

Drezin, Norman A.

Drug, bio-affecting and body treating compositions

Antigen, epitope, or other immunospecific immunoeffector

Recombinant or stably-transformed bacterium encoding one or...

A61K 3112

Patent

active

040176398

ABSTRACT:
Substituted naphthoquinones of the formula (I) and pharmaceutically acceptable salts thereof wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represent alkyl, aryl, alkoxy, hydroxy, hydrogen or halogen or any two of the groups R.sub.1, R.sub.2, R.sub.3 and R.sub.4 taken together complete a carbocyclic ring, have useful anti-allergy activity in mammals.

REFERENCES:
patent: 3833726 (1974-09-01), Schwender et al.
patent: 3920845 (1975-11-01), Smith et al.
Vladimirtsev et al., Chemical Abstracts 73:1190f, (1970).
Ikeda et al., Chemical Abstracts 50:3358d, (1956).

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