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Preparation of phosphonium salt from (S)-trifluoropropene oxide and wittig type reactions

✍ Scribed by Toshio Kubota; Masahiro Yamamoto

Publisher: Elsevier Science
Year: 1992
Tongue: French
Weight: 251 KB
Volume: 33
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)92255-x

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✦ Synopsis

Trifluoropropene oxide ~89 reacted with triphenylphosphine in the presence of trifiuoruu~tic acid to afford the amcsp~ding &hydroxyakyl phosphonium salt. Wittig type reac&m of aldehydes with the salt under bit amditim readily occur& to form optiadly active a-biflucmmethylated allylic alcohols. The truns-

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