首页> 外文期刊>Chinese Journal of Chemistry >KAl(SO4)2·12H2O (Alum) Catalyzed One-Pot Three-Component Synthesis of 2-Alkyl and 2-Aryl-4(3H)-quinazolinone under Microwave Irradiation and Solvent Free Conditions
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KAl(SO4)2·12H2O (Alum) Catalyzed One-Pot Three-Component Synthesis of 2-Alkyl and 2-Aryl-4(3H)-quinazolinone under Microwave Irradiation and Solvent Free Conditions

机译:KAl(SO 4 2 ·12H 2 O(明矾)催化2-烷基和2-芳基一锅三组分合成-4(3H)-喹唑啉酮在微波辐射和无溶剂条件下

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摘要

Twenty 2,3-disubstituted-4(3H)-quinazolinones were synthesed by one-pot three-component method with isatoic anhydride, orthoesters and amines as raw materials in the presence of KAl(SO4)2·12H2O (Alum) under microwave irradiation and solvent-free conditions. 6-Bromo-2-propyl-3-p-tolylquinazolin-4(3H)-one (4m), 6-bromo-2-methyl-3-phenethylquinazolin-4(3H)-one (4n) and 6-bromo-2-ethyl-3-phenethylquinazolin-4(3H)-one (4o) were characterized by IR, 1H NMR, 13C NMR and elemental analysis.
机译:在KAl(SO 4 )<存在的条件下,以等角酸酐,原酸酯和胺为原料,通过一锅三组分法合成了二十种2,3-二取代-4(3H)-喹唑啉酮。 sub> 2 ·12H 2 O(明矾)在微波辐射和无溶剂条件下进行。 6-溴-2-丙基-3-对甲苯基喹唑啉-4(3H)-一个(4m),6-溴-2-甲基-3-苯乙基喹唑啉-4(3H)-一个(4n)和6-溴-通过IR, 1 NMR, 13 NMR和元素分析对2-乙基-3-苯乙基喹唑啉-4(3H)-一(4o)进行表征。

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