Process for preparing 2,3-dimethyl-butene-2

Details Process for preparing 2,3-dimethyl-butene-2 Process for preparing 2,3-dimethyl-butene-2

1980-05-05

1981-09-08

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Plural serial diverse syntheses

To produce unsaturate

585639, 585664, 585668, C07C 1253

Patent

active

042886430

ABSTRACT:
A process for the preparation of 2,3-dimethylbutene-2 is disclosed, which comprises the steps of converting isovaleraldehyde to isopropylacrolein, hydrogenating .alpha.-isopropylacrolein to form 2,3-dimethylbutanol, dehydrating 2,3-dimethylbutanol to form an olefin mixture comprising 2,3-dimethylbutene-1 and 2,3-dimethylbutene-2, and isomerizing the 2,3-dimethylbutene-1 contained in the mixture into 2,3-dimethylbutene-2. The present process is technically simple and inexpensive to utilize, and results in high yields of the desired product.

REFERENCES:
patent: 3247277 (1966-04-01), Kruse et al.
patent: 3723562 (1973-03-01), Heckelsberg
patent: 3758610 (1973-09-01), Turner

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