Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1976-04-07
1977-09-27
Daus, Donald G.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
260268BC, 260268B, 424250, 424244, C07D29502, C07D24308
Patent
active
040511367
ABSTRACT:
1-[2-Hydroxy-3-(4-alkyl-1-piperazinyl)-4-oxo-2-cyclobuten-1-ylidene]-4-alky lpiperazinium hydroxide inner salts and related compounds are described herein. These compounds are useful as anti-viral agents. They are prepared from 2-anilino-3-hydroxy-4-(phenylimino)-2-cyclobuten-1-one and the appropriate monosubstituted piperazine.
REFERENCES:
H.E. Sprenger et al. Angew. Chem. Int. Ed. Eng. 1968, vol. 7 (7), 530-535.
Daus Donald G.
G. D. Searle & Co.
Kolano John J.
Tovar Jose
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