Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1976-03-26
1978-01-10
Rush, Raymond V.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
26032613R, 26032616, 548307, 560 21, 560 27, C07D23982
Patent
active
040678687
ABSTRACT:
2(1H)-Quinazolinone derivatives, which are useful as anti-inflammatory agents, are prepared by heating or hydrolyzing an acylurea derivative. The acylurea derivative can be prepared by either reacting an indole derivative with an oxidizing agent or reacting an imidazolidine derivative with water, an alkanol or ammonia.
REFERENCES:
patent: 3562272 (1971-02-01), Ott
patent: 3686178 (1972-08-01), Cooke et al.
patent: 3712892 (1973-01-01), Inaba et al.
patent: 3876665 (1975-04-01), Cooke et al.
patent: 3925382 (1975-12-01), Ishizumi et al.
patent: 3953446 (1976-04-01), Ishizumi et al.
Inaba Shigeho
Ishizumi Kikuo
Koshiba Masao
Mori Kazuo
Yamamoto Hisao
Rush Raymond V.
Sumitomo Chemical Company Limited
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