Environmentally Safe One-Pot Solvent-Free Synthesis of 6-Aryl-1,2,4,5-tetrazinane-3-thiones(ones) Catalyzed by NaHSO4-SiO2

被引：5

作者：

Kanagarajan, V. ^{[1
]}

Sureshkumar, P. ^{[1
]}

Thanusu, J. ^{[1
]}

Gopalakrishnan, M. ^{[1
]}

机构：

[1] Annamalai Univ, Dept Chem, Synthet Organ Chem Lab, Annamalainagar 608, Tamil Nadu, India

来源：

RUSSIAN JOURNAL OF ORGANIC CHEMISTRY | 2009年 / 45卷 / 11期

关键词：

SODIUM-HYDROGEN SULFATE; ORGANIC-SYNTHESIS; MICROWAVE; EFFICIENT; KETONES; FACILE;

D O I：

10.1134/S1070428009110220

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

One-pot condensation of thiourea (urea), diverse aromatic aldehydes, and ammonium acetate in the presence of repeatedly usable heterogeneous catalyst NaHSO4-SiO2 in the absence of solvent under the microwave irradiation proceeds faster and with better yields of 6-aryl-1,2,4,5-tetrazinane-3-thiones(ones) that under common heating. Compounds synthesized exist as a rule as two isomers distinguished by the position of the phenyl ring: It is located in the major isomer nearly in the equatorial position, in the minor one, close to axial position.

引用

页码：1707 / 1713

页数：7

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