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Issue 3, 2001
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Metal(IV) phosphates as solid acid catalysts for selective cyclodehydration of 1,n-diols

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Abstract

Metal(IV) phosphates of tin, zirconium and titanium are applied, for the first time, as catalysts for selective cyclodehydration of butane-1,4-diol to tetrahydrofuran in high yields. Tin(IV) phosphate showed highest activity among the three, and was used as a catalyst for cyclodehydration of various 1,n-diols. Cyclodehydration of butane-1,4-diol, pentane-1,5-diol, hexane-1,6-diol and diethanolamine gave tetrahydrofuran, tetrahydropyran, oxapane and morpholine, respectively. Cyclodehydration of diethylene glycol, triethylene glycol, diethylene glycol monomethyl ether, polyethylene glycol 200 and polyethylene glycol 300 gave 1,4-dioxane.

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Publication details

The article was received on 15 Jan 2001 and first published on 25 May 2001


Article type: Paper
DOI: 10.1039/B100503K
Citation: Green Chem., 2001,3, 143-145
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    Metal(IV) phosphates as solid acid catalysts for selective cyclodehydration of 1,n-diols

    S. M. Patel, U. V. Chudasama and P. A. Ganeshpure, Green Chem., 2001, 3, 143
    DOI: 10.1039/B100503K

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