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The reaction of the ring-expanded N-heterocyclic carbenes (RE-NHCs) with [ZnMe2] affords the structurally characterised complexes [(6-Mes)ZnMe2] (1) and [(7-Mes)ZnMe2] (2). The activity of the two complexes, along with that of the free carbenes, for the ring-opening polymerisation of rac-lactide has been probed. Even for such strongly σ-donating carbenes, dissociation from the metal centre cannot...
Herein, the solid state structures of the products from the reaction of the silsesquioxane triol (iso-C 4 H 9 ) 7 Si 7 O 12 (OH) 3 (1) with two equivalents of ZnMe 2 in both THF and toluene are reported. In both cases tetrametallic Zn(II) complexes were isolated, with toluene [(iso-C 4 H 9 ) 7 Si 7 O 12 ...
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