Beilstein J. Org. Chem.2015,11, 2261–2266, doi:10.3762/bjoc.11.246
, 1.6 < ÐM < 2.5) in yields >95%, using low catalyst loadings (0.2–0.1 mol %). Furthermore, the results suggest that a nucleophilic, zwitterionic mechanism is in operation, in preference to purely anionic polymerization.
Keywords: latency; N-heterocyclic carbenes; ring-openingorganocatalysis
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Graphical Abstract
Scheme 1:
NHC-carboxylates part of this study (top) and polymerization scheme with initial thermal decarboxyl...