New applications of phosphoric acid supported on alumina (H3PO4-Al2O3) as a reusable heterogeneous catalyst for preparation of 2,3-dihydroquinazoline-4(1H)-ones, 2H-indazolo[2,1-b]phthalazinetriones, and benzo[4,5]imidazo[1,2-a]pyrimidines

被引：31
|
作者：
Shaterian, Hamid Reza [1 ]
Fahimi, Nafiseh [1 ]
Azizi, Kobra [1 ]
机构：
[1] Univ Sistan & Baluchestan, Dept Chem, Fac Sci, Zahedan, Iran
来源：
RESEARCH ON CHEMICAL INTERMEDIATES | 2014年 / 40卷 / 05期
关键词：
2,3-Dihydroquinazoline-4(1H)-ones; 2H-indazolo [2,1-b]phthalazinetriones; Benzo[4,5]imidazo[1,2-a]pyrimidine; H3PO4-Al2O3; CALCIUM-CHANNEL BLOCKERS; ONE-POT; MULTICOMPONENT REACTIONS; ANTICONVULSANT ACTIVITY; 3-COMPONENT SYNTHESIS; EFFICIENT; 2,3-DIHYDROQUINAZOLIN-4(1H)-ONES; DERIVATIVES; WATER; PHTHALAZINE;
D O I：
10.1007/s11164-013-1087-2
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
An eco-friendly procedure for synthesis of 2,3-dihydroquinazoline-4(1H)-one, 2H-indazolo[2,1-b]phthalazinetrione, and benzo[4,5]imidazo[1,2-a]pyrimidine derivatives by three-component reaction, with phosphoric acid supported on alumina as catalyst, is described. Noticeable features of the method are that it is solvent-free, work-up is easy, yields are excellent, and the catalyst is reusable.
引用
收藏
页码：1879 / 1898
页数：20
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