Process for the preparation of perdeuterated methacrylates

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters

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556417, 5263297, 428394, 350 9634, 560205, C07C 6700

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active

046458565

ABSTRACT:
Perdeuterated methacrylates of a high degree of deuteration can be obtained by a process for the preparation of perdeuterated methacrylates from hexadeuteroacetone by conversion into the corresponding cyanohydrin, subsequent elimination of water, hydrolysis of the cyano group and esterification with perdeuterated alkanols, the conversion of hexadeuteroacetone into the cyanohydrin being effected by reaction with trimethylsilyl cyanide to give 1,3-hexadeutero-2-(trimethylsiloxy)-2-cyano-propane and subsequent hydrolytic elimination of the trimethylsilyl group.

REFERENCES:
patent: 3419601 (1968-12-01), Isbell, Jr.
patent: 3466320 (1969-09-01), Hargis
patent: 4138194 (1979-02-01), Beasley et al.
patent: 4529816 (1985-07-01), DeColibus et al.
Fieser, et al., Reagents for Organic Synthesis, vol. 10, (1982), p. 3, John Wiley & Sons, N.Y.

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