Preparation of citral

Details Preparation of citral Preparation of citral

1980-06-10

1981-09-08

Lone, Werren B.

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

Organic compounds

Oxygen containing

C07C 4551, C07C 4721

Patent

active

042886368

ABSTRACT:
Citral (I) ##STR1## is prepared by heating an acetal (IIa) or (IIb) ##STR2## in the presence of an acid catalyst while continuously distilling from the reaction mixture the 3-methylbut-2-en-1-ol (III, prenol) eliminated during the reaction.

REFERENCES:
patent: 2501144 (1950-03-01), Saunders
patent: 2987551 (1961-06-01), Baxter et al.
patent: 3928459 (1975-12-01), Mercier
patent: 3978092 (1976-08-01), Ichikawa et al.
patent: 4016212 (1977-08-01), Leimgruber et al.
patent: 4123464 (1978-10-01), Leimgruber et al.
patent: 4209644 (1980-01-01), Ichikawa et al.

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