Highly Syndiotactic or Isotactic Polyhydroxyalkanoates by Ligand‐Controlled Yttrium‐Catalyzed Stereoselective Ring‐Opening Polymerization of Functional Racemic β‐Lactones

作者：Romain Ligny; Dr Mikko M Hnninen; Sophie M Guillaume; Prof Dr Jean‐Franois Carpentier

来源：Angewandte Chemie, 2017, 129(35): 10524-10529.

DOI：10.1002/ange.201704283

• β-Lactone
• Polymere
• Ring?ffnungspolymerisation
• Stereoselektive Katalyse
• Yttrium

Abstract(#br)Reported herein is the first stereoselective controlled ROP of a specific family of racemic functional β‐lactones, namely 4‐alkoxymethylene‐β‐propiolactones (BPLORs). This process is catalyzed by an yttrium complex stabilized by a nonchiral tetradentate amino alkoxy bisphenol...