Efficient synthesis and structural characterization of a post-metallocene α-olefin polymerization catalyst

Autor: E. Gautier, Guy Nowogrocki, André Mortreux, Elise Berrier, A. Arbaoui, Régis M. Gauvin

Publikováno v: Inorganica Chimica Acta. 362:277-280

We describe the fast one-pot synthesis of a chelating diamido dichloride titanium compound through sequential addition of the protonated ligand and triethylamine to TiCl4. The bisamido complex has been structurally characterized. A monoamido intermed

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::aee502358666aeddf68df76ed91314fc
https://doi.org/10.1016/j.ica.2008.02.034

A New Donor‐Stabilized Ditungsten Amido Alkoxido Species: Synthesis, Crystal Structure, Fluxionality, and Grafting onto Silica

Autor: Laurent Delevoye, Olivier Coutelier, Guy Nowogrocki, André Mortreux, Julien Trébosc, Régis M. Gauvin

Publikováno v: European Journal of Inorganic Chemistry
European Journal of Inorganic Chemistry, 2007, 35, pp.5541-5547. ⟨10.1002/ejic.200700732⟩
European Journal of Inorganic Chemistry, Wiley-VCH Verlag, 2007, 35, pp.5541-5547. ⟨10.1002/ejic.200700732⟩

A new dimeric tungsten(III) complex containing amidoand chelating pyridine–alkoxido ligands was synthesized through protonolysis of [W2(NMe2)6] by 2-(2-pyridyl)propan-2-ol and fully characterized by X-ray diffraction and infrared and NMR spectrosco

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::461877b6d8225c4552a94d08dbfd7f4e
https://doi.org/10.1002/ejic.200700732

U(IV)/Ln(III) mixed site in polymetallic oxalato complexes. Part III: Structure of Na[Yb(C2O4)2(H2O)]·3H2O and the derived quadratic series (NH4+)1−x[Ln1−xUx (C2O4)2(H2O)]·(3+x) H2O, Ln=Y, Pr–Sm, Gd, Tb

Autor: Francis Abraham, Guy Nowogrocki, B. Chapelet-Arab, L. Duvieubourg, S. Grandjean

Publikováno v: Journal of Solid State Chemistry. 179:4029-4036

Single crystals of a new sodium ytterbium oxalate Na[Yb(C2O4)2(H2O)]·3H2O (1) and six mixed lanthanide (III)–uranium (IV) oxalates (NH4+)1−x[Ln1−xUx (C2O4)2(H2O)]·(3+x) H2O, Ln=Y, x = 0.47 (2), Ln=Pr, x = 0.42 (3), Ln=Nd, x = 0.60 (4), Ln=Sm,

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e6e205ff6c4e7f950ceb54745d11ef11
https://doi.org/10.1016/j.jssc.2006.09.007

Hydrothermal synthesis and crystal structures of new uranyl oxalate hydroxides: α- and β-[(UO2)2(C2O4)(OH)2(H2O)2] and [(UO2)2(C2O4)(OH)2(H2O)2]·H2O

Autor: Guy Nowogrocki, Stéphane Grandjean, Francis Abraham, L. Duvieubourg

Publikováno v: Journal of Solid State Chemistry. 178:3437-3444

Two modifications of the new uranyl oxalate hydroxide dihydrate [UO2)2(C2O4)(OH)2(H2O)2] (1 and 2) and one form of the new uranyl oxalate hydroxide trihydrate [(UO2)2(C2O4)(OH)2(H2O)2]·H2O (3) were synthesized by hydrothermal methods and their struc

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::67d79a82998fe5a88c2960a3b03f871c
https://doi.org/10.1016/j.jssc.2005.08.018

U(IV)/LN(III) unexpected mixed site in polymetallic oxalato complexes. Part II. Substitution of U(IV) for Ln(III) in the new oxalates (N2H5)Ln(C2O4)2·nH2O (Ln=Nd, Gd)

Autor: Guy Nowogrocki, S. Grandjean, Francis Abraham, B. Chapelet-Arab

Publikováno v: Journal of Solid State Chemistry. 178:3055-3065

Two new hydrazinium lanthanide(III) oxalates, (N 2 H 5 )[Nd(C 2 O 4 ) 2 (H 2 O)]·4H 2 O ( 1 ) and (N 2 H 5 )[Gd(C 2 O 4 ) 2 (H 2 O)]·4.5H 2 O ( 2 ) have been prepared and their crystal structures determined by single-crystal X-ray diffraction. The

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f6b19d0967084586f3041d4152d5ec34
https://doi.org/10.1016/j.jssc.2005.06.032