Incompletely condensed silsesquioxanes: versatile tools in developing silica-supported olefin polymerization catalysts

R Duchateau - Chemical reviews, 2002 - ACS Publications
For 40 years, the industrial production of polyolefins has mainly been based on classical
heterogeneous (Ziegler-Natta-and Phillips-type) catalysts. Only during the past decade have …

On silsesquioxanes' accuracy as molecular models for silica-grafted complexes in heterogeneous catalysis

EA Quadrelli, JM Basset - Coordination Chemistry Reviews, 2010 - Elsevier
The achievement of a structure–activity relationship for heterogeneous catalysts is a
desirable step for improving existing catalysts or for predicting new catalytic reactions. This …

The chemistry of perfluoroaryl boranes

WE Piers - Advances in organometallic chemistry, 2005 - books.google.com
It has been just over 40 years since the first pentafluorophenyl substituted boranes were
prepared using transmetallation reactions of C6F5 SnMe3 and BCl3. 1 Although …

The dynamic status quo of polyhedral silsesquioxane coordination chemistry

RWJM Hanssen, RA Van Santen… - European Journal of …, 2004 - Wiley Online Library
The chemistry of polyhedral oligomeric silsesquioxanes (POSS) has taken a tremendous
leap over the past decade. New synthetic approaches have been developed, and new …

Intra-and intermolecular NMR studies on the activation of arylcyclometallated hafnium pyridyl-amido olefin polymerization precatalysts

C Zuccaccia, A Macchioni, V Busico… - Journal of the …, 2008 - ACS Publications
Pyridyl-amido catalysts have emerged recently with great promise for olefin polymerization.
Insights into the activation chemistry are presented in an initial attempt to understand the …

On the first insertion of α-olefins in hafnium pyridyl-amido polymerization catalysts

C Zuccaccia, V Busico, R Cipullo, G Talarico… - …, 2009 - ACS Publications
Reactions of [{N−, N, Cnaphthyl−} HfMe][MeB (C6F5) 3](2) precatalyst with a series of α-
olefins have been investigated in order to intercept the active polymerization species …

Synthesis and characterization of neutral and cationic platinum (II) complexes featuring pincer-like Bis (phosphino) silyl ligands: Si− H and Si− Cl bond activation …

SJ Mitton, R McDonald, L Turculet - Organometallics, 2009 - ACS Publications
The synthesis and characterization of a new series of Pt (II) complexes bearing the tridentate
bis (phosphino) silyl ligands [κ3-(2-R2 P C6H4) 2 Si Me]−([R-PSiP], R= Ph, Cy) are reported …

Borane-Induced Dehydration of Silica and the Ensuing Water-Catalyzed Grafting of B(C6F5)3 To Give a Supported, Single-Site Lewis Acid, SiOB(C6F5)2

YJ Wanglee, J Hu, RE White, MY Lee… - Journal of the …, 2012 - ACS Publications
A supported, single-site Lewis acid, SiOB (C6F5) 2, was prepared by water-catalyzed
grafting of B (C6F5) 3 onto the surface of amorphous silica, and its subsequent use as a …

Formation and Characterization of Zwitterionic Stereoisomers from the Reaction of B(C6F5)3 and NEt2Ph: (E)‐ and (Z)‐[EtPhN+=CHCH2‐B(C6F5)3]

N Millot, CC Santini, B Fenet… - European Journal of …, 2002 - Wiley Online Library
The stoichiometric reaction of B (C6F5) 3 and NEt2Ph I, at room temperature, in an aromatic
solvent, has been investigated by 1D and 2D NMR spectroscopy (1H, 11B, 13C, 15N and …

Introduction of Boron Functionalities into Silsesquioxanes: Novel Independent Methodologies

J Kaźmierczak, K Kuciński… - … A European Journal, 2018 - Wiley Online Library
Owing to their versatile application possibilities, silsesquioxanes (SQs) are of considerable
interest for creating hybrid inorganic–organic materials. In this report, two novel and …