Method for preparation of alkyl-substituted butadienes

Details Method for preparation of alkyl-substituted butadienes Method for preparation of alkyl-substituted butadienes

1976-06-24

1977-10-04

Davis, C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260632B, C07C 124

Patent

active

040524787

ABSTRACT:
A method for forming monoolefinic alcohols and optionally alkyl-substituted conjugated dienes. A lower alcohol is oxidized to the aldehyde, and the aldehyde separated from the product mixture by reaction with a monoolefinic alcohol to form a hemialdehyde. An aliphatic isomonoolefin is reacted with a portion of the hemialdehyde stream, to form additional unsaturated monoolefinic alcohol as product, and for recycle to the aldehyde recovery step. The unsaturated monoolefinic alcohol can be dehydrated to an alkyl-substituted conjugated diene such as isoprene.

REFERENCES:
patent: 2335027 (1943-11-01), Ritter
patent: 2337059 (1943-12-01), Mikeska et al.
patent: 2371530 (1945-03-01), Lorch
patent: 3574773 (1971-04-01), Mueller et al.

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