Process for the preparation of aldehydes

Details Process for the preparation of aldehydes Process for the preparation of aldehydes

1973-12-19

1976-06-15

Rush, Raymond V.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 4518

Patent

active

039637840

ABSTRACT:
Aldehydes are prepared by metalating an aliphatic carboxylic acid with lithium diisopropylamide in a mixed solvent system of tetrahydrofuran-hexane-hexamethylphosphoramide to form a dianion of the acid, reacting the dianion in the mixed solvent system with ethyl formate and decarboxylating the resulting alpha-aldehyde acid salt.

REFERENCES:
Creger, "J.A.C.S.," vol. 89, pp. 2500-2501, (1967).
Patai (Ed), "The Chem. of Carboxylic Acids and Esters," Intersci., (1969), pp. 362, 593-595.

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