reactions. Most of these reactions are based on alkene monomers and suffer from poor atomeconomy
or limited structural variation in the produced polymers. On the other hand, carboncarbon
triple-bonded monomers, namely alkynes, are much superior in reactivity. Alkynes are
versatile in terms of constructing CP skeletons, from which plentiful structures can derive [14].
They can undergo self-coupling or cross-coupling to generate diyne- or monoyne-containing CPs,
and also form double-bonded repeating units that are consecutive or divided by heteroatoms such
as sulfur or silicon. Besides, they can be conveniently coupled into aromatic or triazole ring as
well. Some well-known reactions, for instance, Glaser-Hay coupling, Sonogashira coupling and
azide-alkyne click reaction, have been widely used to construct functional polymers with desired
structures. In addition, a series of novel reactions have been developed to expand the scope of CPs
and enrich the methodology of their syntheses, and enormous publications have emerged so far in
this field [15].
reactions. Most of these reactions are based on alkene monomers and suffer from poor atomeconomyor limited structural variation in the produced polymers. On the other hand, carboncarbontriple-bonded monomers, namely alkynes, are much superior in reactivity. Alkynes areversatile in terms of constructing CP skeletons, from which plentiful structures can derive [14].They can undergo self-coupling or cross-coupling to generate diyne- or monoyne-containing CPs,and also form double-bonded repeating units that are consecutive or divided by heteroatoms suchas sulfur or silicon. Besides, they can be conveniently coupled into aromatic or triazole ring aswell. Some well-known reactions, for instance, Glaser-Hay coupling, Sonogashira coupling andazide-alkyne click reaction, have been widely used to construct functional polymers with desiredstructures. In addition, a series of novel reactions have been developed to expand the scope of CPsand enrich the methodology of their syntheses, and enormous publications have emerged so far inthis field [15].
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