Allyl acetyl derivatives of .beta., .gamma.-unsaturated aldehyde

Details Allyl acetyl derivatives of .beta., .gamma.-unsaturated aldehyde Allyl acetyl derivatives of .beta., .gamma.-unsaturated aldehyde

1977-11-30

1980-06-24

Mars, Howard T.

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

Organic compounds

Oxygen containing

568486, 568426, 568420, 568447, 2603478, 568592, 568591, 549 66, 252522R, C07C 4330, C11B 900

Patent

active

042096448

ABSTRACT:
An unsaturated carbonyl compound, for example, one expressed by the following formula, ##STR1## is prepared by maintaining at an elevated temperature a novel allyl acetal of a .beta.,.gamma.-unsaturated aldehyde, for example, one expressed by the following formula ##STR2## The allyl acetal can be derived, for example, for 3-methyl-3-butenal-1 having 5 carbon atoms and prenyl alcohol having 5 carbon atoms. Thus, the unsaturated aldehyde having the increased number of carbon atoms can be formed in a high yield by a relatively simple reaction.

REFERENCES:
patent: 2501144 (1950-03-01), Saunders
patent: 2947786 (1960-08-01), Brannock
patent: 3978092 (1976-08-01), Ichikawa et al.
patent: 4016212 (1977-04-01), Leimgruber et al.

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