One-pot three-component synthesis of tetrahydrobenzo[b]pyrans catalyzed by cost-effective ionic liquid in aqueous medium

Jianguo Yang; Shuo Liu; Huanan Hu; Shibin Ren; Anguo Ying

doi:10.1016/j.cjche.2015.04.020

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One-pot three-component synthesis of tetrahydrobenzo[b]pyrans catalyzed by cost-effective ionic liquid in aqueous medium

研究简报 | Updated：2026-01-06

- One-pot three-component synthesis of tetrahydrobenzo[b]pyrans catalyzed by cost-effective ionic liquid in aqueous medium
- Chinese Journal of Chemical Engineering Vol. 23, Issue 8, Pages: 1416-1420(2015)
- Affiliations：
  
  2 College of Chemistry, Nankai University,Tianjin,China,300071
- Author bio：
- Funds：
- DOI：10.1016/j.cjche.2015.04.020
  CLC：
- Published：2015
- Accepted：
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Jianguo Yang, Shuo Liu, Huanan Hu, Shibin Ren, Anguo Ying. One-pot three-component synthesis of tetrahydrobenzo[b]pyrans catalyzed by cost-effective ionic liquid in aqueous medium[J]. Chin.J.Chem.Eng., 2015, 23(8): 1416-1420.
DOI：

Jianguo Yang, Shuo Liu, Huanan Hu, Shibin Ren, Anguo Ying. One-pot three-component synthesis of tetrahydrobenzo[b]pyrans catalyzed by cost-effective ionic liquid in aqueous medium[J]. Chin.J.Chem.Eng., 2015, 23(8): 1416-1420. DOI： 10.1016/j.cjche.2015.04.020.

摘要

Abstract

A simple and efficient method is proposed for the synthesis of tetrahydrobenzo[b]pyrans with aromatic aldehydes

active methylene compounds

and dimedone using basic ionic liquid catalyst in water. The procedure offers several advantages including short reaction time

good yield

easy procedure

and good recyclability of catalysts

which may be a practical alternative to conventional processes for preparation of 4-hpyrans.

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