发明名称 FRAMSTAELLNINGSFOERFARANDE AV 4 (3H)-KINAZOLINONER OCH MELLANPRODUKTER
摘要 A new process for the preparation of 3-(1H-tetrazol-5-yl)-4(3H)-quinazolinones from anthranilic acid derivatives is described herein. Additional reactants used in the process are 4-aminotetrazole and a trialkoxymethane or the reaction can be carried out using the imidic ester obtained from these two compounds.
申请公布号 FI88720(B) 申请公布日期 1993.03.15
申请号 FI19850001886 申请日期 1985.05.13
申请人 MERRELL DOW PHARMACEUTICALS INC. 发明人 VINOGRADOFF, ANNA P.
分类号 C07D401/00;C07D257/04;C07D257/06;C07D403/04 主分类号 C07D401/00
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