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Borax: An Environmentally Clean Catalyst for the Synthesize of Pyrano[2,3-c]Pyrazoles and Xanthene-1,8-Diones in H2O
Polycyclic Aromatic Compounds ( IF 2.4 ) Pub Date : 2021-08-05 , DOI: 10.1080/10406638.2021.1954039
Leila Amiri-Zirtol 1 , Mohammad Ali Amrollahi 1
Affiliation  

Abstract

A rapid and green procedure has been introduced for the preparation of pyrano[2,3-c]pyrazole and xanthene-1,8-dione derivatives in the presence of a natural catalyst in aqueous medium. Sodium tetraborate pentahydrate was found as a nontoxic or minimally toxic, readily available, cheap, and ecologically favorable agent catalyst for the synthesis of these important heterocyclic compounds. The introduced method offers some advantages such as high efficiency, an inexpensive and easy-to-handle catalyst, avoidance of organic solvents, and simple work-up that they are consistent with green chemistry.



中文翻译:

硼砂:一种用于在水中合成吡喃并[2,3-c]吡唑和呫吨-1,8-二酮的环保催化剂

摘要

介绍了一种在水性介质中在天然催化剂存在下制备吡喃并[2,3- c ]吡唑和呫吨-1,8-二酮衍生物的快速绿色方法。五水四硼酸钠被发现是一种无毒或毒性最小的、容易获得、廉价且生态有利的催化剂,用于合成这些重要的杂环化合物。所介绍的方法具有效率高、催化剂便宜且易于处理、避免使用有机溶剂以及后处理简单等优点,符合绿色化学。

更新日期:2021-08-05
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