Biocompatible ionic liquid [Betaine][H2PO4] as a reusable catalyst for the substitution of xanthen-9-ol under solvent-free conditions

被引：2

作者：

Zhu, Anlian ^{[1
]}

Wang, Tong ^{[1
]}

Feng, Wanlu ^{[1
]}

Wang, Jianji ^{[1
]}

Li, Lingjun ^{[1
]}

机构：

[1] Henan Normal Univ, Collaborat Innovat Ctr Henan Prov Green Mfg Fine, Minist Educ, Sch Chem & Chem Engn,Key Lab Green Chem Media & R, Xinxiang 453007, Henan, Peoples R China

来源：

RSC ADVANCES | 2020年 / 10卷 / 52期

基金：

中国国家自然科学基金;

关键词：

NUCLEOPHILIC SUBSTITUTIONS; HETEROGENEOUS CATALYST; CYCLIC CARBONATES; ALCOHOLS; INDOLES; CO2; 9H-XANTHEN-9-OL; TRANSFORMATION; CONVERSION; DISULFIDE;

D O I：

10.1039/d0ra05374k

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

An ionic liquid, namely [Betaine][H2PO4], was found to be an efficient catalyst for the direct substitution reaction of xanthen-9-ol with different nucleophiles under solvent-free conditions. This catalytic system is easy to be operated and the following work-up procedure is simple, with the ionic liquid catalyst reusable for at least five cycles at a high catalytic activity level. In addition, the ionic liquid is easy to prepare and its raw materials are inexpensive and have good biocompatibility. Therefore, our study presents an intriguing and sustainable protocol for the direct substitution of alcohol.

引用

收藏

页码：31662 / 31669

页数：8

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