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Synthesis of cyclic ethers by cyclodehydration of 1,n-diols using heteropoly acids as catalysts

Authors :
Yufeng Sun
Yatao Huang
Minmin Li
Jia Lu
Nuo Jin
Bei Fan
Source :
Royal Society Open Science, Vol 5, Iss 9 (2018)
Publication Year :
2018
Publisher :
The Royal Society, 2018.

Abstract

Heteropoly acids were used as catalysts for cyclodehydration of various 1,n-diols. Cyclodehydration of butane-1,4-diol, pentane-1,5-diol and hexane-1,6-diol catalysed by H3PW12O40 gave tetrahydrofuran, tetrahydropyran and oxepane, respectively. Cyclodehydration of diethylene glycol, triethylene glycol, diethylene glycol monomethyl ether and polyethylene glycol 200 catalysed by H3PW12O40 gave 1,4-dioxane. In particular, cyclodehydration of hexane-1,6-diol gave an excellent yield of oxepane (80%). The selectivity exhibited by the H3PW12O40 catalyst was even better than that exhibited by other reported catalyst systems for similar cyclodehydration reactions.

Details

Language :
English
ISSN :
20545703
Volume :
5
Issue :
9
Database :
Directory of Open Access Journals
Journal :
Royal Society Open Science
Publication Type :
Academic Journal
Accession number :
edsdoj.fa32032c71364cc8b4ba58e892074b13
Document Type :
article
Full Text :
https://doi.org/10.1098/rsos.180740