Preparation of alkanediols from alkynols

Details Preparation of alkanediols from alkynols Preparation of alkanediols from alkynols

1988-05-02

1989-09-05

Evans, J. E.

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

Organic compounds

Oxygen containing

C07C 2917, C07C 3120

Patent

active

048640662

ABSTRACT:
A process for the preparation of alkanediols by hydrogenation of alkynediols of from 3 to 8 carbon atoms in which a solution of the alkynediol in an alcohol of from 1 to 8 carbon atoms, the mass fraction of alkynediol being more than 5%, of water at most 10%, and of alkanediol from 20% to 85%, is hydrogenated at temperatures of 110.degree. C. to 240.degree. C. and pressures greater than 10 bar, the pH being greater than 6.

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