Abstract
Styrene oxide of different enantiomeric compositions was polymerized in bulk using a potassium alkoxide initiator. A preferential consumption of the enantiomer in excess was observed. The magnitude of this effect depends on the enantiomeric composition of the initial monomer: the more unbalanced is the latter, the stronger is the stereoelection observed. The stereoelective effect was almost completely suppressed by addition of complexing agents such as crown-ethers or cryptands. The observed phenomena are explained in terms of polymer-chain effects.
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Kazanskij, C., Reix, M. & Spassky, N. Effect of the chiral polymer chain in the anionic polymerization of styrene oxide. Polymer Bulletin 1, 793–799 (1979). https://doi.org/10.1007/BF00256281
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DOI: https://doi.org/10.1007/BF00256281