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J Am Chem Soc. 2017 Oct 25;139(42):15005-15012. doi: 10.1021/jacs.7b06897. Epub 2017 Oct 16.

N-Heterocyclic Carbene Initiated Anionic Polymerization of (E,E)-Methyl Sorbate and Subsequent Ring-Closing to Cyclic Poly(alkyl sorbate).

Journal of the American Chemical Society

Yuhei Hosoi, Akinori Takasu, Shin-Ichi Matsuoka, Mikihiro Hayashi

Affiliations

  1. Department of Life Science and Applied Chemistry, Graduate School of Engineering, Nagoya Institute of Technology , Gokiso-cho, Showa-ku, Nagoya 466-8555, Japan.

PMID: 28990773 DOI: 10.1021/jacs.7b06897

Abstract

A diene-based cyclic polymer has been synthesized by the anionic polymerization of methyl sorbate (MS) by an N-heterocyclic carbene (NHC) in the presence of a bulky aluminum Lewis acid. We first polymerized methyl sorbate (MS) initiated by NHC in N,N-dimethylformamide (DMF) at 25 °C, poly(MS) with a number-average molecular weight (M

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