Magnetite L-proline as a reusable nano-biocatalyst for efficient synthesis of 4H-benzo[b]pyrans in water: a green protocol

被引：0

作者：

Aghahosseini, Hamideh ^{[1
,2
]}

Ramazani, Ali ^{[1
,2
]}

机构：

[1] Univ Zanjan, Dept Chem, POB 45195-313, Zanjan, Iran

[2] Univ Zanjan, Res Inst Modern Biol Tech RIMBT, POB 45195-313, Zanjan, Iran

来源：

EURASIAN CHEMICAL COMMUNICATION | 2020年 / 2卷 / 03期

基金：

美国国家科学基金会;

关键词：

L-proline; magnetic functionalization; nano-biocatalyst; reusability; tetrahydrobenzo[b]pyrans; ONE-POT SYNTHESIS; VERSATILE CATALYST; ASYMMETRIC ALDOL; AMMONIUM BROMIDE; DERIVATIVES; ACID; CYCLOCONDENSATION; MICHAEL; TETRAHYDROBENZOPYRAN; ANTIBACTERIAL;

D O I：

暂无

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

L-Proline is known as the most favored organocatalyst in enamine-mediated reactions. Magnetic functionalization of this organocatalyst could solve its recovery and reuse problems. Herein we report the use of magnetic L-proline nano-biocatalyst for a simple and efficient one-pot coupling reaction of dimedone, malononitrile, and aromatic aldehydes to afford the corresponding tetrahydrobenzo[b]pyrans as a significant class of heterocyclic compounds with great biological and pharmacological importance according to a green protocol. Low cost, facile handling, simple preparation, high stability, reusability, and low toxicity are some remarkable features of this nano-biocatalyst.

引用

页码：410 / 419

页数：10

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