Polymerisation stereoelective en phase homogene du methyl-2 thiiranne amorcee par des semences optiquement actives |
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| Authors: | P. Guerin S. Boileau P. Sigwalt |
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| Affiliation: | Laboratoire de Chimie Macromoléculaire associé au C.N.R.S., Université Pierre et Marie Curie, 4, Place Jussieu, 75230 Paris Cedex 05, France |
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| Abstract: | Optically active seeds have been prepared by polymerization of the laevorotatory enantiomer of 2-methylthiirane with cadmium thiolate; they have been used for the polymerization of the racemic monomer, which is stereoelective. These results are explained by the formation of two types of chiral sites in unequal numbers, each type of site choosing only one enantiomer. |
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