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ChemInform Abstract: First P-Trifluoromethylated Ylides.

✍ Scribed by U. DIECKBREDER; E. LORK; G.-V. ROESCHENTHALER; A. A. KOLOMEITSEV


Publisher
John Wiley and Sons
Year
2010
Weight
27 KB
Volume
28
Category
Article
ISSN
0931-7597

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✦ Synopsis


First P-Trifluoromethylated Ylides.

-Synthesis and trapping of P-trifluoromethylated phosphorus ylides (IV) is reported for the first time. -


πŸ“œ SIMILAR VOLUMES


First P-trifluoromethylated ylides
✍ Uwe Dieckbreder; Enno Lork; Gerd-Volker RΓΆschenthaler; Alexander A. Kolomeitsev πŸ“‚ Article πŸ“… 1996 πŸ› John Wiley and Sons 🌐 English βš– 315 KB πŸ‘ 1 views

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 -80Β°C furnished the phosphorus ylides R,P(CF

P-bis(trifluoromethyl) ylides: Synthesis
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Bis(trifluoromethyl) phosphines RP-(CF 3 ) 2 (R = Me, NEt 2 ) were methylated by MeOSO 2 -CF 3 , yielding the respective phosphonium salts [RP(CF 3 ) 2 Me] + and CF 3 SO 3 -. Deprotonation using MeN P(NEt 2 ) 3 led to the phosphorus ylides RP-(CF 3 ) 2 CH 2 , stable in solution at ambient temperatu

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First Synthesis of ortho-Trifluoromethylated Aryl Triflates. -A very useful approach is used for the preparation of the title triflates, e.g. (IV), (VI) and (XI). This efficient methodology is applied in the synthesis of the retinoid derivative (XIII). -(QUING, F.

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✍ Irina L. Odinets πŸ“‚ Article πŸ“… 2010 πŸ› John Wiley and Sons βš– 15 KB πŸ‘ 1 views

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