Sustainable and green synthesis of 3-methyl-4-arylmethylene-isoxazole-5 (4H)-one derivatives under mild conditions using a novel phosphoric acid-based molten salt as catalyst

被引：14

作者：

Asadi, Shaghayegh Khedmatgozar ^{[1
]}

Aleaba, Gilda ^{[1
]}

Daneshvar, Nader ^{[2
]}

Shirini, Farhad ^{[1
,2
]}

机构：

[1] Univ Guilan, Dept Chem, Coll Sci, Rasht 4133519141, Iran

[2] Univ Guilan, Dept Chem, Univ Campus 2, Rasht, Iran

来源：

SUSTAINABLE CHEMISTRY AND PHARMACY | 2021年 / 21卷

关键词：

Ionic liquids; Molten salt; 3-Methyl-4-arylmethylene-isoxazole-5(4H)-Ones; Green media; 31PNMR; ONE-POT SYNTHESIS; ISOXAZOL-5(4H)-ONE DERIVATIVES; HETEROGENEOUS CATALYST; 3-COMPONENT SYNTHESIS; EFFICIENT SYNTHESIS; MEROCYANINE DYES; IONIC LIQUIDS; ISOXAZOLONE; PHOSPHATE; FACILE;

D O I：

10.1016/j.scp.2021.100442

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

In this work, pyrrolidinium dihydrogen phosphate ([H-Pyrr][H2PO4]) was prepared as a novel green molten salt from cheap and commercially available starting materials with a very simple method and identified by various methods including FT-IR and NMR techniques. In continue, this reagent was used as a recyclable and effective catalyst in the synthesis of bioactive potent 3-methyl-4-arylmethylene-izoxazole-5(4H)-one derivatives. Use of green solvent and reagent, ease of manufacturing of the catalyst, high product yields, short reaction times, reusability of the catalyst and cost-effectiveness are some of the advantages of this method.

引用

页数：11

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