Production of dihydroxy alkane

Details Production of dihydroxy alkane Production of dihydroxy alkane

1978-01-17

1979-08-14

Evans, Joseph E.

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

Organic compounds

Oxygen containing

560237, 568857, 568861, 260654H, C07C 3120

Patent

active

041646169

ABSTRACT:
Halogen, e.g., bromine, and a conjugated diene, e.g., butadiene, are reacted in vapor phase, the reacted mass condensed and contacted with alkali metal acetate dissolved or dispersed in an acid, e.g., potassium acetate in glacial acetic acid, thus causing a reaction of formed dibromobutene-2 with the acetate to form diacetoxy-2-butene. The latter is hydrogenated to the corresponding diacetoxylated alkane. The diacetoxy alkane is hydrolyzed to the dihydroxy alkane, e.g., 1,4-butanediol. Alternately, the diacetoxy alkene can be hydrolyzed and the hydrogenation then conducted.

REFERENCES:
patent: 2912471 (1959-11-01), Capp et al.
patent: 3584064 (1971-06-01), Weitz et al.
patent: 3720704 (1973-03-01), Sakomura et al.
patent: 4000185 (1976-12-01), Kurkov et al.
patent: 4001307 (1977-01-01), Cardenas
patent: 4062900 (1977-12-01), Tanabe et al.
Hov, "Manufacture of Soda," 2nd ed. (1942), pp. 316, 317.

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