Reactions of polyfluoroaromatic compounds with electrophilic agents in the presence of tris(dialkylamino)phosphine: 6. * Reactions of halogenotetrafluorobenzenes RC6F4X (X = Cl, Br, or I) with chlorotrimethylsilane
The rate of replacement of the halogen atom in isomers of RC6F4X (X = Cl, Br, or I) by the SiMe3 group under the action of Me3SiCl and P(NEt2)3 depends on the nature and the mutual arrangement of the substituents X and R. In addition to silyldehalogenation, compounds C6HF4X (X = Br or I) undergo silyldeprotonation and reduction to tetrafluorobenzenes.
Bardin
p. 780 - 785
(2007/10/03)
REACTIONS OF POLYFLUOROARYL BROMIDES AND IODIDES WITH C-, Si-, Ge-, Sn- AND Pb-ELECTROPHILES AND TRIS(DIALKYLAMINO)PHOSPHINES
The reactions of polyfluoroaryl bromides ArFBr or iodides ArFI with P(NR'2)3 and R3MX (R = alkyl; M = Si, Ge, Sn and Pb; X = Cl, Br) led to the formation of ArFMR3.The reactions of C6F5Br with P(NEt2)3 and C-electrophiles (CH3I, C6F5CF3 and (CF3)2C=CFC2F5) gave the products of pentafluorophenylation of these substrates.
Bardin, V. V.,Pressman, L. S.,Rogoza, L. N.,Furin, G. G.
p. 213 - 231
(2007/10/02)
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