Preparation of Silica-bonded Propyl-diethylene-triamine-N- sulfamic Acid as a Recyclable Catalyst for Chemoselective Synthesis of 1,1-Diacetates

作     者：Nouri Sefat, Maryam Deris, Abdolah Niknam, Khodabakhsh 

作者机构：Chemistry Department Faculty of Sciences Persian Gulf University Bushehr 75169 Iran 

出 版 物：《Chinese Journal of Chemistry》 (中国化学（英文版）)

年 卷 期：2011年第29卷第11期

页      面：2361-2367页

核心收录：

学科分类：081703[工学-生物化工] 081705[工学-工业催化] 08[工学] 0817[工学-化学工程与技术] 080502[工学-材料学] 0805[工学-材料科学与工程（可授工学、理学学位）] 0836[工学-生物工程] 082203[工学-发酵工程] 0822[工学-轻工技术与工程] 

基　　金：Research Council of Persian Gulf University  Bushehr  Iran 

主　　题：silica-bonded propyl-diethylene-triamine-N-sulfamic acid 1,1-diacetates aromatic aldehydes catalyst solvent-free 

摘      要：A simple and efficient procedure for the preparation of silica-bonded propyl-diethylene-triamine-N-sulfamic acid （SPDTSA） by reaction of 3-diethylenetriamine-propylsilica （DTPS） and chlorosulfonic acid in chloroform is described. Silica-bonded propyl-diethylene-triamine-N-sulfamic acid is employed as a recyclable catalyst for the synthesis of 1,1-diacetates from aromatic aldehydes and acetic anhydride under mild and solvent-free conditions at room temperature. Catalyst could be recycled for several times without any additional treatment.