Titanium dichloro, bis(carbyl), aryne, and alkylidene complexes stabilized by linked cyclopentadienyl-amido auxiliary ligands
1997
Thermal decomposition of the carbyl compounds {C5H4(CH2)2NR}TiR‘2 proceeds through α- and β-H elimination to give stable aryne, alkylidene, and olefin complexes in the presence of PMe3. Reaction of the dibenzyl compound {C5H4(CH2)2N-t-Bu}Ti(CH2Ph)2 with B(C6F5)3 gives the cationic [{C5H4(CH2)2N-t-Bu}TiCH2Ph]+, which is an active catalyst for the polymerization of ethene and propene.
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