Substituted 1,2-diaminocyclobutene-3,4-diones

Details Substituted 1,2-diaminocyclobutene-3,4-diones Substituted 1,2-diaminocyclobutene-3,4-diones

1984-10-03

1985-10-08

Raymond, Richard L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

2602444, 544 586, 544131, 544360, 546281, 546296, 546300, C07D21364, C07D21370, C07D40112

Patent

active

045461880

ABSTRACT:
Certain 1-(substituted amino)-2-(amino or substituted amino)cyclobutene-3,4-diones are potent histamine H.sub.2 -antagonists useful in the treatment of peptic ulcers.

REFERENCES:
patent: 4062863 (1977-12-01), Ganellin et al.
patent: 4233302 (1980-11-01), Martin-Smith et al.
patent: 4242350 (1980-12-01), Yellin et al.
patent: 4242351 (1980-12-01), Yellin et al.
Classes of Compounds and Numerical Cross Reference List, supplement to the 1984-1985 Aldrich Catalog/Handbook of Fine Chemicals (1984), Aldrich Chemical Company, Milwaukee, Wisconsin, pp. 137-143.

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