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Polycondensation dehalogenation synthesis

Novel organometallic poly(arylene)s with 1,3-type (cyclobutadiene)cobalt moieties 27 in the main chain are prepared by Ni(0)-mediated dehalogenative polycondensation of monomers having (cyclobutadiene)cobalt moieties [51], The polymers with of 20 kDa exhibit thermotropic liquid crystallinity. The synthesis of a variety of homometallic and heterometallic oligomers and polymers such as 28 is possible via nucleophilic aromatic substitution reactions of dichlorophenylene-Fe Cp and dihydroxyphenylene-Ru Cp complexes in DMF in the presence of K2CO3 [52]. [Pg.238]

One of the most useful methods of chemical synthesis is the Ni-catalyzed dehalogenation polycondensation of dihaloaromatic compounds [271] ... [Pg.93]

See other pages where Polycondensation dehalogenation synthesis is mentioned: [Pg.3]    [Pg.312]    [Pg.358]    [Pg.13]    [Pg.8]    [Pg.211]   
See also in sourсe #XX -- [ Pg.3 ]



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