Abstract
This review summarizes the most popular linking agents (chlorosilanes, chloro(bromo) methylbenzenes, divinylbenzenes, diphenylethylene derivatives), which in combination with anionic polymerization lead to a plethora of macromolecular architectures i.e., symmetric and asymmetric star, α,ω-branched, exact comb and cyclic polymers, etc. Depending on the nature of their reaction product with living macroanions, linking agents can be characterized either as non-living (neutralization of active centers) or living (creation of a new anionic active center). The chlorosilanes and chloro(bromo)methylbenzenes belong to the first category, whereas divinylbenzenes and diphenylethylene derivatives in the second. The most important examples of both categories will be discussed in this review.
Keywords: Anionic Polymerization, Linking Chemistry, chlorosilanes, chloro(bromo)methylbenzenes, divinylbenzenes, diphenylethylene derivatives, Dichlorodimethylsilane, hexafunctional chlorosilane, polymethacrylate stars, Ethylene Glycol Dimethacrylate
Call for Papers in Thematic Issues
Catalytic C-H bond activation as a tool for functionalization of heterocycles
The major topic is the functionalization of heterocycles through catalyzed C-H bond activation. The strategies based on C-H activation not only provide straightforward formation of C-C or C-X bonds but, more importantly, allow for the avoidance of pre-functionalization of one or two of the cross-coupling partners. The beneficial impact of ...read more
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