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Issue 7, 1988
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Cyclodehydration of non-aromatic diols on AlIII-montmorillonite clay: reactivity and mechanism

Abstract

AlIII-Montmorillonite-catalysed reactions of non-aromatic diols and butane-1,4-dithiol into the corresponding heterocyclic compounds are described. Experiments with S-(+)-pentane-1,4-diol indicate a mechanism involving competitive protonation of the primary and secondary hydroxy groups, followed by SN2 displacement of water to form the cyclic product. A comparison of the relative catalytic efficiencies of AlIII-montmorillonite and the corresponding alumina pillared clay suggests that the performance of the former is superior in the above acid-catalysed reactions.

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Article information


J. Chem. Soc., Perkin Trans. 1, 1988, 1749-1752
Article type
Paper

Cyclodehydration of non-aromatic diols on AlIII-montmorillonite clay: reactivity and mechanism

D. Kotkar, S. W. Mahajan, A. K. Mandal and P. K. Ghosh, J. Chem. Soc., Perkin Trans. 1, 1988, 1749
DOI: 10.1039/P19880001749

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