Chemical communications (Cambridge, England)
Olefin insertion using ansa-zirconocenes and methylaluminoxane (MAO) involves Janus-like, sheet anions.
Munmun Bharti, Aleksi Vähäkangas, Mikko Linnolahti, Scott Collins
Published: 202510.1039/d5cc05347a
Abstract
Two isomeric contact ion-pairs rac-Me2Si(η5-C9H6)2ZrMe-μ-Me-(MeAlO)16(Me3Al)6 (1a and 1b), differing only in the detailed structure of the sheet counter-anion, are the active species in zirconocene-catalyzed olefin polymerization, mediated by methyla…
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