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Synthesis of Polymers Bearing a Chiral Backbone via Stereospecific Ionic Ring‐Opening Polymerization of Chiral Donor‐Acceptor Cyclopropanes
Author(s) -
Emmerich Alexis,
Daniliuc Constantin G.,
Studer Armido
Publication year - 2021
Publication title -
macromolecular rapid communications
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.348
H-Index - 154
eISSN - 1521-3927
pISSN - 1022-1336
DOI - 10.1002/marc.202100030
Subject(s) - stereospecificity , stereocenter , cyclopropane , polymerization , monomer , polymer chemistry , ring opening polymerization , polymer , acceptor , lewis acids and bases , ionic bonding , chemistry , ring (chemistry) , catalysis , organic chemistry , enantioselective synthesis , ion , physics , condensed matter physics
The stereospecific ionic ring‐opening polymerization of various donor‐acceptor cyclopropanes is reported. The chiral cyclopropane monomers are readily prepared with established methodology and stereospecific polymerization is best conducted with a catalytic amount of MgBr 2 serving as a Lewis acid and as an initiator. Polymers with molecular masses of up to 7800 g mol −1 containing a stereocenter in every repeating unit are obtained and the substituents of the monomers can be readily varied to access a novel class of chiral polymers.