“…149 Indeed, already in 1961 Overberger and Schiller 150 obtained only dimers when attempting to generate polyvinyl sulfone with potassium, which they attributed to side reactions due to the acidic CH 2 group. The substituent was again found to have a crucial influence on the polymerization behavior, as Diefenbach et al 151 showed a few years later. He tested polymerizations of disulfone derivatives comprising SO 2 -CH 2 -SO 2 adjacent to a vinyl group using potassium tert -butylate as initiator.…”
Section: Electron Deficient S-vinyl Groupsmentioning
The large variety of available functional groups, their versatility, and the various polymerization technique have made vinyl monomers the prevalent source for preparation of polymers. Interestingly, among this wide variety...
“…149 Indeed, already in 1961 Overberger and Schiller 150 obtained only dimers when attempting to generate polyvinyl sulfone with potassium, which they attributed to side reactions due to the acidic CH 2 group. The substituent was again found to have a crucial influence on the polymerization behavior, as Diefenbach et al 151 showed a few years later. He tested polymerizations of disulfone derivatives comprising SO 2 -CH 2 -SO 2 adjacent to a vinyl group using potassium tert -butylate as initiator.…”
Section: Electron Deficient S-vinyl Groupsmentioning
The large variety of available functional groups, their versatility, and the various polymerization technique have made vinyl monomers the prevalent source for preparation of polymers. Interestingly, among this wide variety...
Alle in der Tabelle aufgefiihrten Ansatze wurden 10 Stunden geriihrt und dann hydrolysiert. Die Austauschprodukte ( I ) und (1') wurden durch Mischproben und IR-Spektrenvergleiche identifiziert. Nach der Tabelle nimmt die Haftfestigkeit der Liganden R in folgender Reihe ab:Die Formulierung dieser Austauschreaktionen iiber intermediare sexiligante Arsenat(v)-Komplexe (2)
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