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Steric vs. Electronic Stereocontrol in Syndio- or Iso-selective ROP of Functional Chiral [small beta]-Lactones Mediated by Achiral Yttrium-Bisphenolate Complexes

Origins of stereoselectivity in ROP of racemic chiral cyclic esters promoted by achiral yttrium complexes, resulting in the formation of highly heterotactic polylactide, and highly syndiotactic or, more uniquely, highly isotactic poly(3-hydroxybutyrate)s, are discussed. A close interplay between the nature of the c

Authors:   Romain Ligny; Mikko M. Hänninen; Sophie M. Guillaume; Jean-François Carpentier
Journal:   Chemical Communication
DOI:   10.1039/C8CC03842B
Facts, background information, dossiers
  • yttrium
  • stereoselectivity
  • lactones
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