Polymerization of Alkyl Diazoacetates Initiated with Pd Complexes | Zendy

Ihara Eiji | Zendy; Itoh Tomomichi | Zendy; Shimomoto Hiroaki | Zendy

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Polymerization of Alkyl Diazoacetates Initiated with Pd Complexes

Author(s) -

Ihara Eiji,

Itoh Tomomichi,

Shimomoto Hiroaki

Publication year - 2015

Publication title -

macromolecular symposia

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.257

H-Index - 76

eISSN - 1521-3900

pISSN - 1022-1360

DOI - 10.1002/masy.201400007

Subject(s) - carbene , polymerization , alkyl , substituent , polymer , carbon chain , yield (engineering) , carbon fibers , polymer chemistry , chain transfer , boron , chain (unit) , chemistry , materials science , organic chemistry , catalysis , radical polymerization , composite number , physics , composite material , astronomy , metallurgy

Summary Pd‐initiated polymerization of alkyl diazoacetates as an effective methodology to prepare carbon‐carbon (CC) main chain polymers bearing a substituent on every main chain carbon is described. (NHC)Pd/borate (NHC = N ‐heterocyclic carbene) systems are efficient at affording high M n polymers. π‐AllylPdCl‐based systems can initiate the polymerization with the number of polymer chain per Pd ratios over 1.0 because of occurrence of chain transfer, capable of affording relatively low M n polymers in high yield. Initiation and termination mechanisms have been proposed for the latter initiating systems, based on the detailed MALDI‐TOF‐MS analyses of the low M n products.

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