Preparation of tetrahydrofurans from butane-1,4-diols

Details Preparation of tetrahydrofurans from butane-1,4-diols Preparation of tetrahydrofurans from butane-1,4-diols

1988-09-30

1990-02-27

Raymond, Richard L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

C07D30708

Patent

active

049048066

ABSTRACT:
Tetrahydrofurans are prepared in the gas phase from butane-1,4-diols which may be substituted by alkyl, alkenyl and/or aryl radicals in the carbon skeleton. The reaction is carried out in the presence of a borosilicate and/or iron silicate zeolite, preferably of the pentasil type, as catalyst.
Other catalysts which may be used are zeolites doped with alkali metals and/or alkaline earth metals and/or transition metals and/or rare earth metals and/or noble metals.

REFERENCES:
Chemical Abstracts, Kh.I. Areshidze, vol.84, No.13, p.511, n.89.981a (1976).
Houben-Weyl, Vol. Sauerstoffverbindungen I Part 3, Georg Thieme Verlag, 1965) (English translation not readily available).
A. Molnar et al., Proc. ZEOCAT Symp. Siofok, Hungary, 1985, Acta Physica et Chemica Szegediensis, Sszeged. 1095, p. 571.
"Acta Physica et Chemica", pp. 571-578 (1985).

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