Production of hex-3-enedioate esters from 1,4 dialkoxy butenes

Details Production of hex-3-enedioate esters from 1,4 dialkoxy butenes Production of hex-3-enedioate esters from 1,4 dialkoxy butenes

1984-11-09

1986-09-09

Trousof, Natalie

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

Organic compounds

Carboxylic acid esters

502229, 502230, 562592, C07C 6737

Patent

active

046110828

ABSTRACT:
The dicarbonylation product of 1,4-dialkoxy substituted-2-butene is useful as intermediate in the production of adipic acid, hexamethylenediamine and 1,6-hexanediol. It is produced by carbonylating a solution of the dialkoxy substituted butene in a polar, aprotic non-basic solvent at 80.degree.-140.degree. C. in the presence of a catalyst comprising a halide of the transition metal.

REFERENCES:
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patent: 4102920 (1978-07-01), Bartish
patent: 4166913 (1979-09-01), Kesling et al.
patent: 4169956 (1979-10-01), Kummer et al.
patent: 4171450 (1979-10-01), Kesling et al.
patent: 4171451 (1979-10-01), Kummer et al.
patent: 4189599 (1980-02-01), Kesling et al.
Imamura et al., Tetrahedron, vol. 25, pp. 4187-4195, (1969).

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