Allylic complexes of lanthanides bearing a fluorenyl-based ligand are active single-
component catalysts for the polymerization of styrene, giving highly syndiotactic polymers …

A series of new neutral allyl Group 3 metal complexes bearing ansa‐bridged fluorenyl/
cyclopentadienyl ligands [{Flu‐EMe2‐(3‐R‐Cp)} Ln (η3‐C3H5)(THF)](E= C, R= H, Ln= Y (2) …

Progress in the synthesis of highly stereoregular polymers with syndiotacticity≥ 90% from
an array of monomer substrates is surveyed, with a focus being placed on the use of …

In the presence of an trialkyl aluminum cocatalyst the activation of scandium, yttrium and
lutetium mono (cyclopentadienyl) complexes with various substituted cyclopentadienyl …

Homogeneous polymerization catalysts have provided a selective means of polymerizing
olefin, conjugated diene, and styrene monomers to produce a wide variety of polymer …

Single‐site catalysts: Syndiospecific styrene polymerization promoted by single‐site ansa‐
lanthanidocene catalysts proceeds selectively in a secondary (2, 1) fashion, both at the …

A series of novel constrained-geometry-configuration (CGC) rare-earth metal complexes
(RCH2–Py) Ln (CH2SiMe3) 2 (THF) n (Py= pyridyl; Ln= Y, n= 1, R= C5Me4 (Cp′)(1); Ln= Y …

Syndiotactic-specific polymerization of styrene is a rather recent achievement I). Catalytic
systems based on a variety of titanium compounds, eg CpTiCl,, CpTiCI,, TiBz,, Ti (OR),, Ti …

Syndiotactic polystyrene has attracted much interest in scientific and industrial research after
its first synthesis in 1985 and has led to a fast commercialization of this polymer. The catalyst …

One-pot reaction of LnCl3 with 1 equivalent of C5Me4SiMe2NC4H8Li followed by addition
of 2 equivalents of allylmagnesium chloride C3H5MgCl or LiN (SiHMe2) 2 in THF at room …