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Single\u2010component catalyst systems can be prepared, where the neutral nucleophile, 4\u2010dimethylaminopyridine (DMAP), is coordinated to the metal site to provide a stable octahedral Cr<jats:sup>III<\/jats:sup> complex. These complexes possess the potential for both anionic (from the chlorido ligand) or neutral (DMAP) nucleophilic epoxide ring\u2010opening during the proposed rate\u2010determining initiation step. Concentration effect studies support a first\u2010order dependence of the polymerization rate on the concentration of single\u2010component catalyst. End\u2010group analysis of polycarbonates by MALDI\u2010TOF MS indicate the presence of predominantly DMAP\u2010initiated chains as well as the occurrence of chain\u2010transfer events resulting in ether linkages, likely from the presence of cyclohexene diol formed by the reaction of cyclohexene oxide and adventitious water.<\/jats:p>","DOI":"10.1002\/cssc.201601641","type":"journal-article","created":{"date-parts":[[2017,1,17]],"date-time":"2017-01-17T12:56:04Z","timestamp":1484657764000},"page":"1266-1273","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":26,"title":["Mechanistic Studies of Cyclohexene Oxide\/CO<sub>2<\/sub> Copolymerization by a Chromium(III) Pyridylamine\u2010Bis(Phenolate) Complex"],"prefix":"10.1002","volume":"10","author":[{"given":"Katalin","family":"Devaine\u2010Pressing","sequence":"first","affiliation":[{"name":"Department of Chemistry Memorial University of Newfoundland  St. John's Newfoundland A1B 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