催化剂Preyssler与二氧化硅负载纳米Preyssler合成乙酰水杨酸的比较

Hadiseh Nazari, A. Ahmadpour, F. Bamoharram, M. Heravi, N. Eslami
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引用次数: 1

摘要

对清洁环境的广泛需求迫使化学工业使用更少有害的材料。在这方面,杂多酸由于具有较高的酸度和较低的毒性而引起了相当大的兴趣。以杂多酸为催化剂,对水杨酸与乙酸酐的反应进行了研究。以乙酸酐为乙酰化剂,比较了不同形式杂多酸对水杨酸乙酰化反应的性能。以Preyssler和二氧化硅负载的Preyssler纳米颗粒作为催化剂,观察到最佳条件。催化剂可回收再利用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Comparison of Catalysts Preyssler and Silica-Supported Nano Preyssler in the Synthesis of Acetyl Salicylic Acid
The extensive demand for cleaner environment is forcing chemical industry to use less hazardous materials. In this regard, heteropolyacids attracted considerable amount of interest due to the less toxic behavior in addition of possessing higher acidity. Heteropoly acids have been used as catalysts for the reaction of salicylic acid with acetic anhydride. The performance of different forms of heteropoly acids in the presence of acetic anhydride as acetylating agent for acetylation of salicylic acid was compared. The best conditions were observed using Preyssler and Silica-supported Preyssler Nanoparticles as catalysts. The catalyst is recyclable and reusable.
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来源期刊
E-journal of Chemistry
E-journal of Chemistry CHEMISTRY, MULTIDISCIPLINARY-
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