| 摘要 |
Reagent (A) for perfluoro-alkylation of a nucleophilic substrate (B) comprises, for sequential or simultaneous addn., an acyl deriv. Rf-M(X)(Z)n-Y-R (I) and a source of radicals (II). R = C-contg. radical, pref. of at most 15C, esp. 10C, partic. alkyl, aryl, or (thio)acyl; Rf = (R2-(CQ2)p)(R1-(CQ2)m)CF-; R1, R2 = F (pref.) or Cl, or a C-contg. gp.; m, p = 0-12; Q = perhalo gp., pref. perfluoro, Cl or pref. F; when m and/or p = 0 then R1 and/or R2 is an electron attractor, pref. Cl or esp. F; n = 0 or 1; M = C or a chalcogen heavier than O; X,Y, Z = chalcogens. Also new are (I) and perfluoroalkylated derivs. (III) prepd. by the new process.
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