1291070-42-2Relevant academic research and scientific papers
SALALEN LIGANDS AND ORGANOMETALLIC COMPLEXES
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, (2012/01/06)
Use of homogeneous catalytic systems which include as a pre-catalyst a complex of a Group IV metal and a salalen ligand in the polymerization of alpha-olefins, is disclosed. The alpha-olefin polymers obtained are characterized by controlled levels of tacticity. Also disclosed are novel salalen ligands and novel complexes thereof with Group IV metals.
Salalen titanium complexes in the highly isospecific polymerization of 1-hexene and propylene
Press, Konstantin,Cohen, Ad,Goldberg, Israel,Venditto, Vincenzo,Mazzeo, Mina,Kol, Moshe
supporting information; experimental part, p. 3529 - 3532 (2011/05/04)
All lined up: C1-symmetric octahedral titanium complexes (see structure, Ti dark gray, N blue, O red, I purple) whose labile positions reside in different electronic environments were designed using the readily available salalen ligands. With methylalumoxane as co-catalyst, highly active catalysts were obtained, which yielded high-molecular-weight polypropylene with ultra-high isotacticities (see 13C NMR spectrum) and melting transitions. Copyright
