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First P-trifluoromethylated ylides

✍ Scribed by Uwe Dieckbreder; Enno Lork; Gerd-Volker Röschenthaler; Alexander A. Kolomeitsev

Publisher: John Wiley and Sons
Year: 1996
Tongue: English
Weight: 315 KB
Volume: 7
Category: Article
ISSN: 1042-7163
DOI: 10.1002/(sici)1098-1071(199608)7:4<281::aid-hc11>3.0.co;2-n

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✦ Synopsis

Trifluoromethylated phosphines R,PCF, ( R = N E t , Me, IPr) were methylated by CH,OSO,CF, yielding the corresponding phosphonium salts [R,P(CF,)CHJ+ [F,CSOJ-. Treatment with LiN(SiMe,), at -80°C furnished the phosphorus ylides R,P(CF

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