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Dive into the research topics where Khalil Feghali is active.

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Featured researches published by Khalil Feghali.


Angewandte Chemie | 1999

A Paramagnetic Diniobium Complex with a Very Short Nb-Nb Distance: Evidence for a Pseudo Nb-Nb Triple Bond?

Maryam Tayebani; Khalil Feghali; Sandro Gambarotta; Glenn P. A. Yap; Laurence K. Thompson

In spite of the short Nb-Nb distance (2.268 Å) and the presumable existence of an Nb identical withNb bond, the paddle-wheel-shaped diniobium(II) complex 1 is paramagnetic. Theoretical calculations indicate that the presence of LiCl moieties on the intermetallic axis lowers the Nb-Nb bond order and is responsible for the observed paramagnetism.


Chemistry: A European Journal | 1999

Di‐ and Trimanganese N,N′‐Dicyclohexylformamidinate Complexes

Aparna Kasani; Ruppa P. Kamalesh Babu; Khalil Feghali; Sandro Gambarotta; Glenn P. A. Yap; Laurence K. Thompson; Regine Herbst-Irmer

The alkali metal countercation of a N,N′-dicyclohexylformamidinate anion (Li or K) determines the structure and the oxidation state of the product of the reaction with [MnCl2(thf)2].


Chemical Communications | 1997

The reduction of Nb2Cl6(tmeda)2 by R2NLi. Formation of a diamagnetic niobium(II) cluster with short Nb–Nb triple bond and amide C–N bond cleavage

Maryam Tayebani; Aparna Kasani; Khalil Feghali

Reduction of trivalent Nb2Cl6(tmeda)2 with either lithium diisopropylamide or n-butyllithium yields a novel NbII cluster which performs oxidative addition into the amide C–N bond.


Organometallics | 2001

Stability of Trivalent Vanadium Alkyl and Hydride Supported by a Chelating Phosphinimido Ligand

Ghazar Aharonian; Khalil Feghali; and Sandro Gambarotta; Glenn P. A. Yap


Organometallics | 2002

Stability of metal-carbon bond versus metal reduction during ethylene polymerization promoted by a vanadium complex: The role of the aluminum cocatalyst

Khalil Feghali; David J. Harding; Damien Reardon; and Sandro Gambarotta; Glenn P. A. Yap; Qinyan Wang


Organometallics | 1997

Amide C−N Bond Cleavage and Formation of Nitride Promoted by a Niobium(II) Cluster

Maryam Tayebani; Khalil Feghali; and Sandro Gambarotta; Corinne Bensimon


Inorganic Chemistry | 1997

PREPARATION AND CHARACTERIZATION OF A DIAMAGNETIC AND DINUCLEAR TITANIUM(III) FORMAMIDINATE COMPLEX. EVIDENCE FOR THE EXISTENCE OF A TI-TI BOND?

Shoukang Hao; Khalil Feghali; Sandro Gambarotta


Inorganic Chemistry | 2001

Insensitivity of the Nb-Nb distance in a paddle-wheel compound to bond multiplicity and axial ligation.

Maryam Tayebani; Khalil Feghali; Sandro Gambarotta; Glenn P. A. Yap


Organometallics | 1998

Molecular Rearrangements of a Low-Valent Niobium Amide: Ligand C−H Bond Oxidative Addition and Reductive Elimination

Maryam Tayebani; Khalil Feghali; Sandro Gambarotta; Glenn P. A. Yap


Inorganic Chemistry | 1997

Preparation and Characterization of a Diamagnetic Sulfido-Bridged Divanadium Amide Complex.

Mark Moore; Khalil Feghali; Sandro Gambarotta

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