Method for isomerizing diacetoxybutenes

Details Method for isomerizing diacetoxybutenes Method for isomerizing diacetoxybutenes

1982-11-26

1984-08-14

Trousof, Natalie

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

Organic compounds

Carboxylic acid esters

560261, 560263, 560264, 203 29, 203 38, 203DIG6, C07C 6702, B01D 334

Patent

active

044658532

ABSTRACT:
3,4-Diacetoxybutene-1 can be easily isomerized into 1,4-diacetoxybutene-2 by contacting it with a cation exchange resin. This method is capable of providing an excellent reaction result and is free of the problem of corrosion of apparatus as well as the problem of formation of by-products. When acetic acid is present in said isomerization operation, the reaction rate is increased. Further, combination of this isomerization method with separation of 1,4-diacetoxybutene-2 from 3,4-diacetoxybutene-1 by distillation enables production of high-purity 1,4-diacetoxybutene-2 at a high efficiency.

REFERENCES:
patent: 2575896 (1951-11-01), Smith et al.
patent: 2846485 (1958-08-01), Meason et al.
patent: 3007853 (1961-11-01), Patron et al.
patent: 4044050 (1977-08-01), Kurkov
Kressman, Advances in Ion Exchange, Manufact. Chemist, Nov. 1956, pp. 454-458.

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