NaHSO4-SiO2-Promoted solvent-Free Synthesis of Benzoxazoles, Benzimidazoles, and Benzothiazole Derivatives

被引：15

作者：

Kumar, K. Ravi ^{[2
]}

Satyanarayana, P. V. V. ^{[1
]}

Reddy, B. Srinivasa ^{[2
]}

机构：

[1] Acharya Nagarjuna Univ, Dept Chem, Nagarjuna Nagar 522510, Guniur, India

[2] RA Chem Pharma Ltd, Res & Dev Div, Hyderabad 500072, Andhra Pradesh, India

来源：

JOURNAL OF CHEMISTRY | 2013年 / 2013卷

关键词：

ONE-POT SYNTHESIS; 2-SUBSTITUTED BENZOXAZOLES; POLYPHOSPHORIC ACID; EFFICIENT SYNTHESIS; MEDIATED SYNTHESIS; CARBOXYLIC-ACIDS; CONDENSATION; ARYLATION; CATALYSTS; WATER;

D O I：

10.1155/2013/151273

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

An efficient protocol has been development for the preparation of a library of benzoxazole, benzimidazole, and benzothiazole derivatives from reactions of acyl chlorides with o-substituted aminoaromatics in the presence of catalytic amount of silica-supported sodium hydrogen sulphate under solvent-free conditions. Simple workup procedure, high yield, easy availability, reusability, and use of ecofriendly catalyst are some of the striking features of the present protocol.

引用

页数：10

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