发明名称 Diuretic compsns - contg 2-alpha furyl -3,4-dihydro-4-oxo quinazoline
摘要 <p>Compns. contg. the tile cpd. (I) and its alkaline salts are used in the treatment of cases of sodium retention, e.g. oedemas, hypertension, etc. (I) is prepd. by known methods form anthranilic acid (II) and 2-thiocarboxamido furan (III) or 2-furoic acid ethyl imino ether. In an example 13.7 g. (II) and 12.7 g. (III) were heated together at 150-160 degrees C for 2 hrs., cooled, and recrystallised to give a 70% yield of (I), m.pt. 220 degrees C.</p>
申请公布号 FR2077804(A1) 申请公布日期 1971.11.05
申请号 FR19700005372 申请日期 1970.02.16
申请人 INNOTHERA 发明人
分类号 C07D405/04;(IPC1-7):61K27/00;07D51/00 主分类号 C07D405/04
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