Resting/dormant benzyl- and allyl-type Ti(IV) complexes formed under alpha-olefin polymerization conditions have been detected and characterized by NMR. Experimental and computational evidence supports a formation mechanism via reversible Ti-C bond homolysis rather than "classical" sigma-bond metathesis.
Toluene and α-Olefins as Radical Scavengers: Direct NMR Evidence for Homolytic Chain Transfer Mechanism Leading to Benzyl and “Dormant” Titanium Allyl Complexes
ZACCARIA, FRANCESCO;Zuccaccia, Cristiano
;Macchioni, Alceo;
2018
Abstract
Resting/dormant benzyl- and allyl-type Ti(IV) complexes formed under alpha-olefin polymerization conditions have been detected and characterized by NMR. Experimental and computational evidence supports a formation mechanism via reversible Ti-C bond homolysis rather than "classical" sigma-bond metathesis.File in questo prodotto:
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