Three components: one-pot synthesis of tetrazoles using silica-supported melamine tri-sulfonic acid, an efficient and reusable heterogeneous catalyst

Q4 Earth and Planetary Sciences Research Journal of Chemistry and Environment Pub Date : 2024-02-29 DOI:10.25303/284rjce088096
Hetal Tailor, Pruthviraj Limbachiya, D. Mahajan
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Abstract

The effective and straightforward procedure for synthesizing 1-H 1,2,3,4 tetrazole involves the reaction of a primary amine, triethyl orthoformate and sodium azide in the presence of silica-supported melamine tri sulfonic acid. One pot synthesis of tetrazole derivatives over the silica-supported melamine tri sulfonic acid catalyst reveals that the existence of strong acid sites in silica makes it more efficient with respect to the shortening of the reaction time (5–6 h) and excellent yield (75-84%) as compared to the other catalysts. This process includes benefits like a more environmentally friendly path, an easier work-up, a reusable catalyst and a high yield.
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三组份:使用二氧化硅支撑的三聚氰胺三磺酸--一种高效且可重复使用的异相催化剂--一步法合成四氮唑
合成 1-H 1,2,3,4-四氮唑的有效而直接的方法是在二氧化硅支撑的三聚氰胺三磺酸存在下,使伯胺、原甲酸三乙酯和叠氮化钠发生反应。在二氧化硅支撑的三聚氰胺三磺酸催化剂上一锅合成四唑衍生物的过程表明,二氧化硅中强酸位点的存在使其在缩短反应时间(5-6 小时)和提高产率(75-84%)方面比其他催化剂更有效。该工艺具有更环保、更易操作、催化剂可重复使用和收率高等优点。
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来源期刊
CiteScore
0.50
自引率
0.00%
发文量
195
审稿时长
4-8 weeks
期刊介绍: Information not localized
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