Silica Functionalized Sulfonic Acid Catalyzed One-Pot Synthesis of 4,5,8a-Triarylhexahydropyrimido[4,5-d]pyrimidine-2,7(1H,3H)-diones under Liquid Phase Catalysis

被引：14

作者：

Gupta, Princy ^{[1
]}

Kumar, Vineet ^{[1
]}

Paul, Satya ^{[1
]}

机构：

[1] Univ Jammu, Dept Chem, Jammu 180006, India

来源：

JOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY | 2010年 / 21卷 / 02期

关键词：

pyrimido[4,5-d]pyrimidine; silica functionalized sulfonic acid; liquid phase catalysis; recyclability; solid acid catalysis; EFFICIENT HETEROGENEOUS CATALYST; RECYCLABLE CATALYST; INTERPHASE CATALYST; CARBONYL-COMPOUNDS; MESOPOROUS SILICA; PYRIMIDINES; MILD;

D O I：

10.1590/S0103-50532010000200022

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

SiO2-SO3H catalyzed one-pot synthesis of 4,5,8a-triarylhexahydropyrimido[4,5-d]pyrimidine-2,7(1H,3H)-diones (4a-k) is reported under liquid phase catalysis. The catalyst is easily prepared, highly stable, very simple to handle and recycled for five times without loss of significant activity.

引用

页码：349 / 354

页数：6

共 32 条

[1]

[Anonymous], 1988, Ger. Offen. Pat., DE, Patent No. 3601731

[2] Silica supported perchloric acid (HClO4-SiO2):: A mild, reusable and highly efficient heterogeneous catalyst for the synthesis of 14-aryl or alkyl-14-H-dibenzo[a,j]xanthenes [J].