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Synthesis of cyclic ethers by cyclodehydration of 1,n-diols using heteropoly acids as catalysts.
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ABSTRACT:
SUBMITTER: Sun Y
PROVIDER: S-EPMC6170547 | biostudies-literature | 2018 Sep
REPOSITORIES: biostudies-literature
Publications
Synthesis of cyclic ethers by cyclodehydration of 1,<i>n</i>-diols using heteropoly acids as catalysts.
Royal Society open science 20180926 9
Heteropoly acids were used as catalysts for cyclodehydration of various 1,<i>n</i>-diols. Cyclodehydration of butane-1,4-diol, pentane-1,5-diol and hexane-1,6-diol catalysed by H<sub>3</sub>PW<sub>12</sub>O<sub>40</sub> gave tetrahydrofuran, tetrahydropyran and oxepane, respectively. Cyclodehydration of diethylene glycol, triethylene glycol, diethylene glycol monomethyl ether and polyethylene glycol 200 catalysed by H<sub>3</sub>PW<sub>12</sub>O<sub>40</sub> gave 1,4-dioxane. In particular, cycl ...[more]