2020-50-0Relevant academic research and scientific papers
Etude de la telomerisation et de la cotelomerisation du fluorure de vinylidene (VF2). Part I. Cotelomerisation du VF2 avec l'acetate de vinyle et le 2-hydroxyethylmercaptan
Boutevin, Bernard,Furet, Yves,Hervaud, Yves,Rigal, Gerard
, p. 11 - 18 (1994)
The radical telomerization of vinylidene fluoride (VF2) and of vinyl acetate (VAc) with 2-hydroxyethylmercaptan, and the radical cotelomerization of both monomers with the same thiol have been investigated.In each case, the chemical structures and the chain lengths have been determined by various methods in order to understand the reactivity and the direction of addition of both monomers.This study indicates a greater reactivity for VAc relative to VF2 since a twofold excess of VAc may be introduced into the cotelomers for an equimolar initial feed concentration of the monomers.Of the telomers produced, it was noted that the diadduct is HOCH2CH2SCH2CF2CH2CH2OCOCH3, indicating that the thiyle radical reacts preferentially with VF2.This study is a preliminary to obtaining curable VF2 oligomers.
Phase-Transfer Catalysis by Poly(ethylene glycol)s of β-Thioethyl Chloride Reactions
Harris, J. Milton,Paley, M. Steven,Sedaghat-Herati, M. R.,McManus, Samuel P.
, p. 5230 - 5233 (2007/10/02)
Neighboring sulfur participation is a facile process for β-thioethyl derivatives.In the present work we examine the ability of phase-transfer catalysis by poly(ethylene glycol)s to make direct substitution, elimination, and oxidation competitive with neighboring sulfur participation for reaction of mustard chlorohydrin (1).
