Acrolein conversion to butanediol

Details Acrolein conversion to butanediol Acrolein conversion to butanediol

1978-04-24

1979-07-17

Evans, Joseph E.

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

Organic compounds

Oxygen containing

26034611, 260602, 568598, 568881, C07C 3118

Patent

active

041616162

ABSTRACT:
This invention provides a process for producing 1,4-butanediol by (1) selectively hydrogenating acrolein to a product mixture of allyl alcohol and residual acrolein in a 2:1 ratio, (2) converting the product mixture to acrolein diallyl acetal under acidic conditions, (3) selectively hydroformylating the acrolein diallyl acetal to a trialdehyde, and (4) reacting the trialdehyde under substantially neutral hydrolysis/hydrogenation conditions to yield 1,4-butanediol.
Acrolein is converted into tetrahydrofuran employing the process conditions described above, except that the step (4) hydrolysis/hydrogenation reaction is conducted under acidic conditions.

REFERENCES:
patent: 3686333 (1972-08-01), Duyverman
patent: 3929915 (1975-12-01), Cumbo et al.
patent: 3963755 (1976-06-01), Cumbo et al.
patent: 4017550 (1977-04-01), Kummer
patent: 4044059 (1977-08-01), Copelin
patent: 4079064 (1978-03-01), Taylor
patent: 4083882 (1978-04-01), Taylor et al.

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