A new echelon of precision polypentenamers: highly isotactic branching on every five carbons

文献情報

出版日 2018-01-02

DOI 10.1039/C7PY01922J

インパクトファクター 5.582

著者

Stefan Brits, William J. Neary, Goutam Palui, Justin G. Kennemur

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要旨

A series of allylic substituted cyclopentene monomers with increasing steric bulk are investigated by ring opening metathesis polymerization to understand the effects of these substituents on the microstructural outcomes of the resulting polypentenamers. 3-Triethylsiloxycyclopentene is discovered to polymerize to a highly regular microstructure with up to 96% trans olefins and 92% head-to-tail positional isomers. Dynamic resolution after synthetic modifications produced an enantiopure version (∼92% ee) of this monomer which subsequently produced a precision isotactic and regioregular polypentenamer for the first time. Synthetic investigations, mechanistic aspects, and basic thermal properties are discussed.

掲載誌

Polymer Chemistry

CiteScore: 8.6

自己引用率: 7.3%

年間論文数: 457

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A new echelon of precision polypentenamers: highly isotactic branching on every five carbons

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