Microwave-promoted facile and rapid solvent-free synthesis procedure for the efficient synthesis of 3,4-dihydropyrimidin-2(1H)-ones and -thiones using ZrO2/SO42- as a reusable heterogeneous catalyst

被引：20

作者：

Gopalakrishnan, Mannathusamy ^{[1
]}

Sureshkumar, Purushothaman ^{[1
]}

Kanagarajan, Vijayakumar ^{[1
]}

Thanusu, Jeyaraman ^{[1
]}

Govindaraju, Ramalingam ^{[1
]}

Ezhilarasi, Muthuvel R. ^{[1
]}

机构：

[1] Annamalai Univ, Dept Chem, Annamalainagar 608002, Tamil Nadu, India

来源：

LETTERS IN ORGANIC CHEMISTRY | 2006年 / 3卷 / 06期

关键词：

Biginelli reaction; sulfated zirconia; dihydropyrimidinones; microwave irradiation; green chemistry;

D O I：

10.2174/157017806777828493

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Sulfated zirconia (ZrO2/SO42-) solid superacid has been proved to be an efficient reusable heterogeneous catalyst for three-component one-pot cyclocondensation reaction of beta-dicarbonyl compounds and urea/thiourea with structurally diverse aromatic aldehydes in solvent-free conditions to furnish the corresponding 3,4-dihydropyrimidin-2(1H)-ones and -thiones in good to excellent yields both under microwave irradiation and thermal conditions.

引用

页码：484 / 488

页数：5

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