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Selective Preparation of Functionalized Dienes from Allylic Phosphonium Salts through the Wittig Reaction

✍ Scribed by Sá, Marcus M.; Meier, Lidiane


Book ID
120995181
Publisher
John Wiley and Sons
Year
2013
Tongue
English
Weight
387 KB
Volume
24
Category
Article
ISSN
1042-7163

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Preparation of phosphonium salt from (S)
✍ Toshio Kubota; Masahiro Yamamoto 📂 Article 📅 1992 🏛 Elsevier Science 🌐 French ⚖ 251 KB

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 t