Dioxocyclobutene compounds

Details Dioxocyclobutene compounds Dioxocyclobutene compounds

1983-09-26

1985-06-04

Shaver, Paul F.

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

Organic compounds

Amino nitrogen containing

C07C 8745

Patent

active

045216258

ABSTRACT:
1-(Hydroxypropylamino)-2-aminocyclobut-1-ene-3,4-dione compounds are disclosed as useful intermediates in the preparation of histamine H.sub.2 -antagonists.

REFERENCES:
patent: 3017395 (1962-01-01), Elam et al.
patent: 3232973 (1966-01-01), Bayer et al.
patent: 3287390 (1966-11-01), Poos et al.
patent: 4062863 (1977-12-01), Ganellin et al.
patent: 4390701 (1983-06-01), Algieri et al.
patent: 4395553 (1983-07-01), Algieri et al.
Morrison et al., "Organic Chemistry", 3rd Ed., Allyn & Bacon, Inc., Boston (1973), pp. 556 & 557.
Schmidt, "Synthesis", p. 961-994, 12/1980.
Derwent Abstract 02282J (Abstract of Belgian 893,236 Published Nov. 18, 1982).

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