Process for transforming an aldehyde into an alkene

Details Process for transforming an aldehyde into an alkene Process for transforming an aldehyde into an alkene

1982-10-12

1985-02-26

Raymond, Richard L.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549499, 560104, 568652, 568658, 585435, 585638, 585639, C07D30728

Patent

active

045019100

ABSTRACT:
The invention concerns a process transforming an aldehyde into a corresponding alkene, of the type wherein the aldehyde is placed in the presence of a phosphoric reagent and a base in an organic solvent.
The process consists in using an alcohol as the solvent and as a base a mineral base which in an aqueous medium evinces a basic strength equal to or less than that of the hydroxide ion, or a strongly basic organic base of the amine family, and in limiting the hydration rate of the reaction medium to a value at most of 10 moles of water per mole of aldehyde.

REFERENCES:
patent: 4346040 (1982-08-01), Delmas et al.

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