Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1981-07-21
1982-08-24
Raymond, Richard
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
568652, 568658, 568939, 585535, 585638, 549506, C07D30728
Patent
active
043460402
ABSTRACT:
The invention relates to a process for converting an aldehyde into a corresponding alkene and of the type wherein the aldehyde is placed in the presence of a phosphoric reagent and a base in solution in an organic aprotic solvent; the process comprising using a mineral base evincing in an aqueous medium a basic force less than or equal to that of the hydroxide ion or a strongly basic organic base of the nitrogen compounds family and adjusting the hydration rate of the reaction medium in such a manner that there are about 0.5 to 5 moles of water per mole of aldehyde.
REFERENCES:
patent: 4057593 (1977-11-01), Bestmann et al.
Morrison et al., Organic Chemistry, 1966, Allyn and Bacon, Inc. (Boston) p. 870 and 871.
Delmas Michel
Gaset Antoine
le Bigot Yves
Agrifurane S.A.
Raymond Richard
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