Preparation of quinazolin-2(1H)-ones

Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...

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544250, C07D23982, A61K 31505

Patent

active

042360064

ABSTRACT:
The invention provides a process for the production of 4-phenyl-2(1H)-quinazolinones by cyclising a corresponding 2-aminobenzophenone with urea or an alkylcarbamate in the presence of an aromatic acid. The products are known anti-inflammatory agents.

REFERENCES:
patent: 3547921 (1970-12-01), Hardtmann et al.
patent: 3551427 (1970-12-01), Ott
patent: 3642897 (1972-02-01), Hardtmann
patent: 3793324 (1974-02-01), Denzer

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