Preparation of mixtures of butanediols

Details Preparation of mixtures of butanediols Preparation of mixtures of butanediols

1988-05-06

1989-11-07

Evans, J. E.

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

Organic compounds

Oxygen containing

549509, 568862, C07C 2938, C07C 3120, C07C 4100, C07D30702

Patent

active

048794201

ABSTRACT:
Process for preparing 2-alkyl-1,4-butanediols and mixtures with 1,4-butanediol which comprises bringing together, at an initial alkaline pH, and at a temperature and pressure suitable for reaction, a mixture of 4-hydroxybutyraldehyde and/or its cyclic acetal, 2-hydroxytetrahydrofuran, hydrogen, an unsubstituted aliphatic aldehyde, especially formaldehyde, and a hydrogenation catalyst. Also processes for preparing mixtures of tetrahydrofuran and 3-alkyltetrahydrofuran from the diol mixtures, and copolymers from the tetrahydrofuran mixtures.

REFERENCES:
patent: 2572941 (1951-10-01), MacLean et al.
patent: 3290387 (1966-12-01), Bernardy et al.

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