2-Methyl-2-hepten-6-on-1-al acetals

Details 2-Methyl-2-hepten-6-on-1-al acetals 2-Methyl-2-hepten-6-on-1-al acetals

1974-06-03

1976-01-13

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 4920

Patent

active

039325202

ABSTRACT:
2-METHYL-2-HEPTEN-6-ON-1-AL ACETALS AND A METHOD FOR THE PRODUCTION OF THESE COMPOUNDS. The acetals are obtained by reacting the acetals of 2-methyl-4-halo-2-buten-1-al with an alkali compound of an ester of acetoacetic acid and eliminating, by means of an alkali, the alkoxycarbonyl group from the intermediate obtained. 2-methyl-2-hepten-6-on-1-al is obtained from the acetals by acid hydrolysis. The products are perfumes having a pleasant fruity odor and are intermediates for advantageous synthesis of the natural orange aromatics and orange odorants .alpha.-sinensal and .beta.-sinensal.

REFERENCES:
patent: 2768967 (1956-10-01), Bavley et al.
patent: 3330867 (1967-07-01), Saucy
Bhalerao et al., J.A.C.S., Vol. 93, pp. 4835-4840 (1971).
House, Modern Synthethic Reactions, 2nd Edtn. 1972.

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