The manufacturing method of the full ideology equivalents of α-

摘要

PROBLEM TO BE SOLVED: To provide an industrial manufacturing method of α-fluoroaldehyde equivalent having industrial superiority.SOLUTION: α-fluoroaldehyde silylacetals are obtained by reacting an α-fluorocarboxylic acid derivative represented by the general formula, where Rand Rare each independently a hydrogen, a halogen atom, an alkyl group, a substituted alkyl group, an aromatic ring group or a substitute aromatic ring group, Rrepresents a hydrogen atom, an alkyl group or a substitute alkyl group or R, Rand Rmay be same aliphatic ring or one constituting a part of an aliphatic heterocyclic ring, with a hydrogenated silicon compound in a presence of a Lewis acid compound. α-fluoroaldehyde equivalent can be derived by desilylation reaction on the resulting α-fluoroaldehyde silyl acetals.SELECTED DRAWING: None