Xanthan Sulfuric Acid： An Efficient Bio-supported and Recy- clable Solid Acid Catalyst for the Synthesis of 2-Aryl Thiadiazolo Benzimidazoles

Xanthan sulfuric acid is an efficient solid acid catalyst for the preparation of 2-aryl benzimidazoles in excellent yields. This method is applicable for the reaction of benzo[c][ 1,2,5]thiadiazole-4,5-diamine with aldehydes by sim- ple physical grinding at room temperature. The salient features of...

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Veröffentlicht in:	中国化学：英文版 2012, Vol.30 (4), p.947-950
1. Verfasser:	Kuarm, B. Suresh Janardan, B. Crooks, Peter A. Rajitha, B
Format:	Artikel
Sprache:	eng
Schlagworte:	合成噻二唑回收固体酸催化剂硫酸芳基苯并咪唑类化合物黄原胶
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description	Xanthan sulfuric acid is an efficient solid acid catalyst for the preparation of 2-aryl benzimidazoles in excellent yields. This method is applicable for the reaction of benzo[c][ 1,2,5]thiadiazole-4,5-diamine with aldehydes by sim- ple physical grinding at room temperature. The salient features of the present methodology is cheaper process, easy synthesis of stable catalyst and the catalyst can be easily recycled without significant loss of activity.
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subjects	合成噻二唑回收固体酸催化剂硫酸芳基苯并咪唑类化合物黄原胶
title	Xanthan Sulfuric Acid： An Efficient Bio-supported and Recy- clable Solid Acid Catalyst for the Synthesis of 2-Aryl Thiadiazolo Benzimidazoles
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