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a method of hydrating acetylene compounds with subsequent formation of carbonyl compounds. The hydration of acetylene yields acetaldehyde; in the case of substituted acetylenes, ketones are primarily formed:
Mercuric salts (Hg2+) generally serve as catalysts in the Kucherov reaction. The reaction forms the basis for the industrial method of extracting acetaldehyde from acetylene. It was discovered by the Russian chemist M. G. Kucherov in 1881.