专利名称：METHOD OF PREPARATION OF
QUINOPHTHALONE DERIVATIVES
发明人：KILPPER, Gerhard,HOCH, Helmut申请号：EP90917666.0申请日：19901128公开号：EP0504182A1公开日：19920923
摘要： According to one quinophthalone derivative manufacturing method having thegeneral formula (I) wherein the full A group heteroaromatic closed chains substituted ornot and the complete group B an aromatic closed chain which can be substituted orunsubstituted, is reacted methyl substituted heterocyclic compound having the generalformula (II) with an anhydride of an aromatic dicarboxylic acid having the general formula(III) or with the corresponding free dicarboxylic acid (IIIa) in the presence of an acid, aswell as an organic solvent, the organic solvent used is a benzoic acid alkyl ester.
申请人：BASF Aktiengesellschaft
地址：Carl-Bosch-Strasse 38 D-67063 Ludwigshafen DE
国籍：DE
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