A facile synthetic route to new fluorinated building-blocks of 1-fluoroalkynes and 1-fluorodiynes
A facile and direct fluorination process of alkynes and diynes was developed. In the presence of n-butyllithium, the reaction of a series of terminal alkynes and diynes with the electrophilic fluorinating reagent (NFSI) proceeded to afford various 1-fluoroalkynes and 1-fluoro-1,3-diynes in moderate to high yields. Copyright
Liu, Cuibo,Ma, Hai,Nie, Jing,Ma, Junan
experimental part
p. 47 - 52
(2012/03/08)
REACTION DE PERHALOSTYRENES AVEC LES ORGANOLITHIENS. PREPARATION D'ARYL-1 ALCYNES-1 RAMIFIES PAR L'INTERMEDIAIRE D'ARYL FLUORO ACETYLENES
Organolithium compounds react with 1-aryl 2-chloro 1,2-difluoroethylene to give derivatives of type Ar-C*C-R'.Hydrolysis of the intermediate carbanionic species yilds the corresponding α,β-difluorostyrenes.
Martin, Sophie,Sauvetre, Raymond,Normant, Jean-F.
p. 4329 - 4332
(2007/10/02)
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