01433nas a2200121   4500008004100000245004800041210004700089260001400136300001200150520104700162100001901209856008301228       2017                        eng d00aMetal-catalyzed condensation polymerization0 aMetalcatalyzed condensation polymerization  bCRC Press  a203-2203 a<p>Conjugated polymers are semiconducting materials and an integral component of solar cells and other optoelectronic gadgets, which are important as environment-friendly devices. Conjugated polymers are less expensive than inorganic materials and are easy to process, hence several synthetic methods have been developed based on transition metal-catalyzed polycondensation involving sp2 -sp2 C-C bond formation for their production. The coupling reaction between monomers involves the following steps: (a) metal-catalyzed oxidative addition (as presented in Chapter 1) across the C-X bond of the monomer; (b) transmetallation with a main group organometallic compound; and (c) reductive elimination (as presented in Chapter 1) yielding the C-C bond formation and regeneration of the active catalyst, which are typical in a C-C bond formation catalyzed by organometallic complex (Figure 7.1). 1 The reactions are characterized by mild conditions, tolerance to many functional groups, and possibility of synthesizing regioregular polymers.</p>1 aAmbade, A., V.  uhttps://library.ncl.res.in/content/metal-catalyzed-condensation-polymerization