Method for the preparation of unsaturated ketones

Details Method for the preparation of unsaturated ketones Method for the preparation of unsaturated ketones

1974-06-25

1976-08-17

Thomas, Jr., James O.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260586R, 260595, 260488F, 260488J, 260488CD, C07C 4500, C07C 4518

Patent

active

039754464

ABSTRACT:
Unsaturated ketones represented by the general formula ##EQU1## are successfully synthesized with very good yield from corresponding unsaturated alcohols and diketene in a single-step process in which the esterification reaction and the decarboxylation reaction take place concurrently by the synergistic action of the catalyst system composed of a high-boiling amine and an aluminum trialkoxide.

REFERENCES:
patent: 2795617 (1957-06-01), Kimel et al.
patent: 2839579 (1958-06-01), Kimel et al.
Marcus et al., J. Org. Chem., 1966, pp. 1369-1372.

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