Vinylation

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vinylation [‚vīn·əl′ā·shən]

(chemistry)

Formation of a vinyl-derived product by reaction with acetylene; for example, vinylation of alcohols gives vinyl ethers, such as vinyl ethyl ether.

Vinylation

the introduction of the vinyl group —CH=CH₂, which is performed in one step. The most important vinylating agents are acetylene, CH≡CH; vinyl halides, CH₂=CHX (X is a halogen); and vinyl magnesium bromide (Norman’s reagent), CH₂=CHMgBr. Vinylation with acetylene forms the basis of a number of manufacturing processes: vinyl ethers are obtained from alcohols and esters—for example, vinyl acetate—are produced from carboxylic acids. Vinylation of hydrocyanic acid yields acrylonitrile; of hydrogen chloride, vinyl chloride; and of acetylene itself, vinyl acetylene.

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