Process for the preparation of .alpha.,.beta.-and .beta.,.gamma.

Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing

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568403, C07C 4551

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active

044530110

ABSTRACT:
.alpha.,.beta.-and .beta.,.gamma.-unsaturated ketones of formula ##STR1## possessing a double bond in one of the positions indicated by the dashed lines and wherein R and R.sup.1 have the meaning given above and index n stands for integer 1 or 2, are obtained by a process which consists in treating with a strong base in an inert organic solvent a diallyl carbinol of formula ##STR2## wherein symbol R represents a primary, secondary or tertiary alkyl radical, or a substituted or unsubstituted phenyl radical, and symbol R.sup.1 represents a hydrogen atom or an alkyl radical.

REFERENCES:
patent: 3887625 (1975-06-01), Schulte-Elte
patent: 3976700 (1976-08-01), DeSimone

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