Summary
The enantioasymmetric polymerization of racemic styrene oxide has been carried out in bulk with ZnEt2/(R) 3,3-dimethyl 1,2-butanediol as chiral initiator system. The R enantiomer is preferentially polymerized and the magnitude of the choice is characterized by a stereoelectivity constant equal to 1.5. For comparison, the optical resolutions obtained in the polymerization of different oxiranes using the same initiator system are given.
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Kassamaly, A., Sepulchre, M. & Spassky, N. Enantioasymmetric polymerization of racemic styrene oxide. Polymer Bulletin 19, 119–122 (1988). https://doi.org/10.1007/BF00257003
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DOI: https://doi.org/10.1007/BF00257003