| | | | | | | webmail : intra-extra| Accès VPN| Accès IST| Contact | English
Univ. Paris-Saclay
jcbert.jpg

Jean-claude BERTHET

 SIS2M-Laboratory of  Chemistry of the f-elements (LCCEf)

tel.jpg +33 1 69 08 60 42
fax.png +33 1 69 08 66 40
email.gif

Status

Permanent CEA researcher since 1992

Senior expert

Security staff member

Research topics

Inorganic and organometallic chemistries of the f-elements (uranium, Thorium and Lanthanides)

f-element chemistry in anhydrous and anaerobic conditions

Uranyl chemistry

Education

2003 :   Habilitation à Diriger des Recherches (Paris XI)
1989-1992 : Ph.D. on uranium organometallic Chemistry (Paris XI) at the CEA saclay center
1988 : Ingeneer in Chemistry of the “Ecole Nationale Supérieure de Chimie” at Rennes 
Researches Price of the ENSCR

 

Teaching

1994-95 : Practical works in Mineral chemistry at the CNAM (Paris).
2006-10: Lectures (2-3 h) : Master I at the  university of Montpellier


 


Scientific Publications

Dernières publications (base publiCEA)

100 - Catalytic methylation of amines with formic acid as the unique carbon and hydrogen source
S. Savourey, G. Lefèvre, J.-C. Berthet, T. Cantat, Chem. Commun. 50 (2014) 14033

99  - Efficient disproportionation of formic acid to methanol using molecular ruthenium catalysts
S. Savourey,  G. Lefèvre,  J.-C. Berthet,  T. Cantat, P. Thuéry, C. Genre, T. Cantat Angew. Chem. Int. Ed. 53 (2014)10466

98 - U−CN versus Ce−NC coordination in trivalent complexes derived from M[N(SiMe3)2]3 (M = Ce, U)
A. Hervé, Y. Bouzidi, J.-C. Berthet, L. Belkhiri, P. Thuéry, A. Boucekkine, Michel Ephritikhine, Inorg. Chem. 53 (2014) 6995

97  -  Structural Diversity in Cyanido thorocene Complexes

A. Hervé, P. Thuéry, M. Ephritikhine, J.-C. Berthet Organometallics 33 (2014) 2088  

96 - Regioselective and stereospecific deuteration of bioactive aza compounds using Ru nanoparticles.

G. Pieters, C. Taglang, E. Bonnefille, T.Gutmann, C. Puente, J.-C. Berthet, C. Dugave, B. Chaudret, B. Rousseau Angew. Chem. Int. Ed. 53 (2014) 230

95 -  Nitrite complexes of the rare earth elements
J. Pouessel, Pierre Thuéry, J.-C. Berthet, T. Cantat Dalton Trans. 43 (2014) 4415

94 - Thorocene adducts of the neutral 2,2’-bipyridine and its radical anion. Synthesis and crystal structures of [(h8-C8H8)2Th(k2-bipy)] and [Th(m-h8-h5-C8H8)2(k2-bipy)K(py)2]
J.-C. Berthet, P. Thuéry, M. Ephritikhine, Compt. Rend. Acad. Sci. 17 (2014) 526-533

93 -  Bent thorocene complexes with the cyanide, azide and hydride ligands
A. Hervé, P. Thuéry, N. Garin, M. Ephritikhine, J.-C. Berthet Chem. Commun. 49(2013) 6304

92 - Revisiting the chemistry of the actinocenes [(h8-C8H8)2An] (An = U, Th) with neutral Lewis bases. Access to the first bent sandwich Ccmplexes [(h8-C8H8)2Th(L)] with thorium (L = py, 4,4’-bipy, tBuNC, R4phen)

J. C. Berthet, P. Thuéry, N. Garin, J.-P. Dognon, T. Cantat, M. Ephritikhine, J. Am. Chem. Soc. 135 (2013) 10003

91 - Nitrite complexes of uranium and thorium
F. Dulong, J. Poessel, P. Thuéry, J.-C. Berthet, M. Ephritikhine, T. Cantat Chem. Commun. 49 (2013) 2412

90 - Coordination of 1,10 phenantroline, 3,4,7,8-tetramethyl-1,10-phenanthroline and 2,4,6-tris(2-pyridyl)-1,3,5-triazine to MX3 (M = Ce, U; X= I, O3SCF3) in pyridine and acetonitrile.
J.-C. Berthet, J.-M. Onno, F. Gupta, C. Rivière, P. Thuéry, M. Nierlich, C. Madic , M. Ephritikhine, Polyhedron 45 (2012) 107.

89 - Structural versatility of uranyl(VI) nitrate complexes that involve the diamide ligand Et2N(C=O)(CH2)n(C=O)NEt2 (0 n 6)
S. Wahu, J.-C. Berthet, P. Thuéry, D. Guillaumont,M. Ephritikhine, R. Guillot, G. Cote, and C. Bresson, Eur. J. Inorg. Chem 30 (2012) 3747

88 - Uranium(IV) nucleophilic carbene complexes.
J.-C. Tourneux, J.-C. Berthet, T. Cantat, P. Thuéry, N. Mézailles, P. Le Floch, and M. Ephritikhine, Organometallics 30 (2011) 2957

87 - Exploring the uranyl organometallic chemistry: from single to double uranium carbon bonds. J.-C. Tourneux, J.-C. Berthet, T. Cantat, P. Thuéry, N. Mézailles, and M. Ephritikhine, J.Am.Chem.Soc. 133 (2011) 6162

86 - Iodide, Azide, and Cyanide Complexes of (N,C), (N,N), and (N,O)Metallacycles of Tetra- and Pentavalent Uranium.O. Bénaud, J.- C. Berthet, P. Thuéry, M. Ephritikhine, Inorg. Chem. 50 (2011) 12204

85 - Towards high-valent uranium compounds from metallic uranium(IV) precursors.
O. Bénaud, J.- C. Berthet, P. Thuéry, M. Ephritikhine, Chem.Commun.(2011) 47 9057

84 - Investigating the electronic structure and bonding in uranyl compounds by combining NEXAFS spectroscopy and quantum chemistry
Clara Fillaux, Dominique Guillaumont, Jean-Claude Berthet, Roy Copping, David K. Shuh, Tolek Tyliszczak and Christophe Den Auwer Phys. Chem. Chem. Phys. (2010)

83 -  The Bis Metallacyclic Anion [U{CH2SiMe2N(SiMe3)}2{N(SiMe3)2}]-
O. Bénaud, J.- C. Berthet, P. Thuéry, M. Ephritikhine, INORGANIC CHEMISTRY (2010) 49(17) 8117

82 -  Formation of uranium(IV) oxide clusters from uranocene [U(C8H8)2] and uranyl [UO2X2] compounds.
J.- C. Berthet, P. Thuéry, M. Ephritikhine, INORGANIC CHEMISTRY 49(17) (2010) 8173

81 - Linear uranium metallocenes with polydentate aromatic nitrogen ligands
J.- C. Berthet, J. Maynadié, P. Thuéry, M. Ephritikhine,Dalton Trans. 39 (2010) 6801

80 - Easy access to uranium nucleophilic carbene complexes
J. C. Tourneux, J.- C. Berthet, P. Thuéry, Nicolas Mézailles, Pascal Le Floch, M. Ephritikhine, Dalton Trans. 39 (2010) 2494

79 - First reductive dimerization of a polycyclic azine
J.- C. Berthet, P. Thuéry, M. Ephritikhine, Dalton Trans. (2009) 7613

78- Thermodynamics and structure of actinide(IV) complexes with nitrilotriacetic acid
L. Bonin, D. Guillaumont, A. Jeanson, C. Den Auwer, M. Grigoriev, J-C. Berthet, Ph. Moisy, INORGANIC CHEMISTRY 48(9) (2009) 3943

77 - Synthesis and crystal structure of pentavalent uranyl complexes. The remarkable stability of UO2X (X = I, SO3CF3) in non-aqueous solutions
J.- C. Berthet, P. Thuéry, M. Ephritikhine, Dalton Trans. (2009) 3478

76- Polyimido Clusters of Neodymium and Uranium, Including a Cluster with a M6(m3-N)8 Core
J.- C. Berthet, P. Thuéry, M. Ephritikhine, Eur. J. Inorg. Chem (35) (2008) 5455

75 - Coupling of Terminal Alkynes and Isonitriles by Organoactinide Complexes: Scope and Mechanistic Insights
Eyal Barnea, Tamer Andrea, Jean-Claude Berthet, Michel Ephritikhine, Moris S. Eisen, Organometallics 27(13) (2008) 3103

74 - Polyimido Uranium(IV) Clusters. First Imidometalates with a M7(m3-N)6(m2-N)6 Core Analogous to the Anderson-Type Polyoxometalate Motif.
J.- C. Berthet, P. Thuéry, M. Ephritikhine, Angew. Chem., Int. Ed. 47(30) (2008) 5586  

73 - Bending of “Uranocene” [(h8-C8H8)2U]: Synthesis and Crystal Structure of the Cyanido Complex [(h8-C8H8)2U(CN)][NEt4]
J.-C. Berthet, P. Thuéry, M. Ephritikhine, Organometallics 27(8) (2008) 1664

72-A new coordination geometry for the uranyl ion with a coordination number of seven in the equatorial plane.
J.-C. Berthet, P. Thuéry, J. P. Dognon, D. Guillaneux, M. Ephritikhine, INORGANIC CHEMISTRY 47(15) (2008) 6850

71-First 5f-element complexes with the tetradentate BTBP ligand. Synthesis and crystal structure of uranyl(VI) compounds with CyMe4BTBP
J.-C. Berthet, P. Thuéry, M. R. StJ. Foreman, M. Ephritikhine, Radiochim. Acta., (2008), 96, 189-197

70 - Bent and Linear Uranium(IV) Metallocenes with Terminal and Bridging Cyanide Ligands
J. Maynadié, J.-C. Berthet, P. Thuéry, M. Ephritikhine, Organometallics 26(18) (2007) 4585

69- Controlled chemical reduction of uranyl salts into UX4(MeCN)4 (X = Cl, Br, I) with Me3SiX reagents
J.- C. Berthet, G. Siffredi, P. Thuéry, M. Ephritikhine, Eur. J. Inorg. Chem (25) (2007) 4017 
Eur. J. Inorg. Chem., (2007), 4017-4020 

68 - Cyanide metallocenes of trivalent f-elements.
J. Maynadié, J.- C. Berthet, P. Thuéry, M. Ephritikhine, Organometallics 26(10) (2007) 2623

67- The First Cyclopentadienyl Complex of Uranyl
J. Maynadié, J. -C. Berthet, P. Thuéry , M. Ephritikhine, Chem. Commun. (2007) 486

66-Combining theoretical chemistry and XANES multi-edge experiments to probe actinide valence states.
Clara Fillaux, Jean-Claude Berthet, Steven D. Conradson, Philippe Guilbaud, Dominique Guillaumont, C. Hennig, Philippe Moisy, Jérôme Roques, Eric Simoni, David K. Shuh, Tolek Tyliszczak, Ingrid Castro-Rodriguez, Christophe Den Auwer, Compte Rendu de l’Académie des Sciences 10(10-11) (2007) 859

65 - The Crucial Role of the f-Electrons in the Bent or Linear Configuration of Uranium(III, IV and V) Cyano Metallocenes
J. Maynadié, N. Narros, J.- C. Berthet, P. Thuéry, L. Maron, M. Ephritikhine, Angew. Chem., Int. Ed. 46(12) (2007) 2010

64 - The First Actinyl Cyanide
J.- C. Berthet, P. Thuéry, M. Ephritikhine, Chem. Commun. (2007) 604

63 - Uranyl Complexation by Chloride Ions. Formation of Tetrachlorouranium(VI) Complex in Room Temperature Ionic Liquids[BuMeIm][Tf2N] and [MeBu3N][Tf2N]
M-O. Sornein, Celine Cannes, C. Le Naour, G. Lagarde, E., Simoni, J-C. Berthet, INORGANIC CHEMISTRY 45(26) (2006) 10419

62 - Bis(pentamethylcyclopentadienyl)-bis(chloride)(acetonitrile)uranium(IV)
J. Maynadié, J.- C. Berthet, P. Thuéry, M. Ephritikhine, Acta Cryst. E 62 (2006) m2942-m2943

61 - From Bent to Linear Uranium Metallocenes: Influence of Counter-Ion, Solvent and Metal Ion Oxidation State
J. Maynadié, J.- C. Berthet, P. Thuéry, M. Ephritikhine, Organometallics 25(23) (2006) 5603

60 - Electronic structure of high oxidation state actinide species: Theoretical and experimental approaches.
S. Hilaire, F. Gutierez, C. Den Auwer, F. Wastin, E. Colineau, T. Gouder, J. Rebizant, J. C. Berthet, D. Meyer, E. Sioni, Nuclear Science and Engineering, (2006), 153 (3): 203-206 

59 - Easy access to stable pentavalent uranyl complexes
J.-C. Berthet, Gérald Siffredi, P. Thuéry, M. Ephritikhine,Chem.Commun. (2006) 3184   

 Une nouvelle classe de complexes « sandwich » avec les actinides
J. Maynadié, J.- C. Berthet, P. Thuéry, M. Ephritikhine, Brèves du DRECAM (2006) 

58- First characterization of an uranium(III) complex with a carbonyl molecule. Syntheses and X-ray crystal structures of the homoleptic dimethylformamide complexes [M(dmf)n]I3 (M = La, Ce, U and n = 9; M = Ce, Nd and n = 8).
J.-C. Berthet, P. Thuéry, M. Ephritikhine, Polyhedron, (2006), 25, 1700-1706

57- A Novel Type of Linear Metallocene with an f-Element. 
J. Maynadié, J.-C. Berthet, P. Thuéry, M. Ephritikhine, J. Am. Chem. Soc. 128(4) (2006) 1082

56- Surprising Activity of Organoactinide Complexes in the Polymerization of Cyclic Mono- and Diesters.
E. Barnea, D. Moradove, J.-C. Berthet, M. Ephritikhine, M. S. Eisen, Organometallics 25(2) (2006) 3207

55- Lanthanide(III) / Actinide(III) Differentiation in the Cerium and Uranium Complexes [M(C5Me5)2(L)]0,+1 (L = 2,2'-Bipyridine and 2,2':6',2''- Terpyridine) from Structural, Magnetic and Reactivity Studies.
T. Mehdoui, J.- C. Berthet, P. Thuéry, L. Salmon, E. Rivière, M. Ephritikhine, Chem. Eur. J., (2005) 11, 1-14

54- Vers une renaissance de la chimie des sels d’uranyle
J.- C. Berthet, M. Ephritikhine, Phase magazine, avril 2005, n°32, revue interne du CEA.

      La chimie de l’ion uranyle
Fait Marquant du DRECAM (2003), J.- C. Berthet, M. Nierlich, M. Ephritikhine.

53- Unprecedented Reduction of the Uranyl Ion [UO2]2+ into a Polyoxo Uranium(IV) Cluster: Synthesis and Crystal Structure of the First f-Element Oxide with a M6(m3-O)8 Core
J.- C. Berthet, P. Thuéry, M. Ephritikhine, Chem.Commun. (2005) 3415

52-The Remarkable Efficiency of N-Heterocyclic Carbenes in Lanthanide(III) / Actinide(III) Differentiation
T. Mehdoui, J.- C. Berthet, P. Thuéry, M. Ephritikhine, Chem. Commun. (2005) 2860  

51-The distinct affinity of cyclopentadienyl ligands towards trivalent uranium and lanthanide ions. Evidence for cooperative ligation and back-bonding in the actinide complexes
T. Mehdoui, J.- C. Berthet, P. Thuéry, M. Ephritikhine, Dalton Trans., (2005), 1263-1272

50- Selective complexation of uranium(III) over lanthanide(III) triflates by 2,2’:6’,2’’terpyridine. X-ray crystal structures of [M(OTf)3(terpy)2] and [M(OTf)2(terpy)2(py)][OTf] (M = Nd, Ce, U) and of polynuclear m-oxo uranium(IV) complexes resulting from hydrolysis.
J.- C. Berthet, M. Nierlich, Y. Miquel, C. Madic, M. Ephritikhine, Dalton Trans., (2005), 369-379

49- New Efficient Synthesis of [UI4(MeCN)4]. X-ray Crystal Structures of [UI2(MeCN)7][UI6], [UI4(py)3] and [U(dmf)9]I4
J.- C. Berthet, M. Nierlich, M. Ephritikhine, INORGANIC CHEMISTRY 44(4) (2005) 1142

48- Catalytic Coupling of terminal Alkynes with Isonitriles Promoted by organoactinides Complexes.
E. Barnea, T. Andrea, M. Kapon, J.-C. Berthet, M. Ephritikhine, M. Eisen, J. Am. Chem. Soc. 126(35) (2004) 10860.

47- Oxygen and nitrogen Lewis base adducts of [UO2(OTf)2]. Crystal structures of polypyridine complexes with out-of-plane uranyl equatorial coordination
J.-C. Berthet, M. Nierlich, M. Ephritikhine, Dalton Trans., (2004), 2814-2821

46- Clear-Cut Lanthanide(III) / Actinide(III) Differentiation in Coordination of Pyrazine to Tris(cyclopentadienyl) Complexes of Cerium and Uranium Involving Reversible UIII          UIV Oxidation tris(cyclopentadienyl) complexes of cerium and uranium
T. Mehdoui, J.-C. Berthet, P. Thuéry, M. Ephritikhine, Eur. J. Inorg. Chem (10) (2004) 1996  

45- Lanthanide(III)/actinide(III) differentiation in coordination of azine molecules to tris(cyclopentadienyl) complexes of cerium and uranium
T. Mehdoui, J.-C. Berthet, P. Thuéry, M. Ephritikhine, Dalton Trans., (2004) 579-590

44- Synthesis of the Stable UO2I2, the Last of the Uranyl Dihalides. X-Ray Crystal Structure of UO2I2(py)3.
J. -C. Berthet, M. Nierlich, M. Ephritikhine, Chem. Commun. (2004) 870

43- A comparison of analogous 4f- and 5f-element compounds: syntheses and crystal structures of triphenylphosphine oxide complexes of lanthanide(III) and uranium(III) triflates and iodides [MX2(OPPh3)4][X] (X = OTf and M = Ce or U; X = I and M = Nd, Ce, La, U).
J.-C. Berthet, M. Nierlich, M. Ephritikhine, Polyhedron, 22(27) (2003) 3475.

42- Novel coordination geometry of the uranyl ion. Rombohedral configuration of the uranium in UO2(bipy)2(OTf)2 and [UO2(phen)3][OTf]2.
J.-C. Berthet, M. Nierlich, M. Ephritikhine, Chem. Commun. (2003) 1660

41- First isolation of an uranyl UO2+ species. Crystallographic comparison of the dioxouranium(V) and (VI) compounds [UO2(OPPh3)4][OTf]n (n = 1, 2).
J.-C. Berthet, M. Nierlich,  M. Ephritikhine, Angew. Chem., Int. Ed. 42(17) (2003) 1952

40- Oligomerization and hydroamination of terminal alkynes promoted by the cationic organoactinide compound [(Et2N)3U][BPh4].
J. Wang, A. K. Dash, M. Kapon, J.-C. Berthet, M. Ephritikhine, M. Eisen, Chem. Eur. J., (2002) 5384

39- Cross dimerization of terminal alkynes catalyzed by [U(NEt2)3][BPh4].
J. Wang, M. Kapon, J.-C. Berthet, M. Ephritikhine, M. Eisen, Inorg. Chimica Acta, 334 (2002) 183

38- The affinity and selectivity of the terdentate nitrogen ligands
2,2':6',2''-terpyridine and 2,6-bis(5,6-dialkyl-1,2,4-triazin-3-yl)pyridine towards trivalent lanthanide (La, Ce, Nd) and uranium ions viewed from the crystal structures of the 1:3 complexes.
J.-C. Berthet, Y. Miquel, P. B. Iveson, M. Nierlich, P. Thuéry, Ch. Madic, M. Ephritikhine, J. Chem. Soc., Dalton trans., (2002), 3265

37- Selective complexation of uranium(III) over Cerium(III) and Neodymium(III) by 2,2’:6’,2’’-terpyridine. X-Ray crystallographic evidence for uranium to ligand pback-Bonding.
J.-C. Berthet, Ch. Rivière, Y. Miquel, M. Nierlich, Ch. Madic, M. Ephritikhine, Eur. J. Inorg. Chem., (2002), 1439

36- Synthesis of organouranium(IV) triflates from U(OTf)4 or from alkyl or amide precursors.
J.-C. Berthet, M. Nierlich et M. Ephritikhine, Eur. J. Inorg. Chem (4) (2002) 850 

35- Complexes triflates de l’uranium.
J.-C. Berthet, M. Nierlich, M. Ephritikhine, C. R. Acad. Sciences  (2002) 81.

34- Reactions of isocyanides and pyridinium triflates : a simple and efficient route to imidazopyridines.
J.-C. Berthet, M. Lance, M. Nierlich, M. Ephritikhine, Eur. J. Org. Chem., 2002(2) (2002), 375

33- Dehydrocoupling reactions of amines with silanes catalysed by [(Et2N)3U][BPh4].
J. Wang, A. K Dash, J.-C. Berthet, M. Ephritikhine, M. S. Eisen, J. Organomet. Chem. 610(1-2) (2000) 49

32- Diverse catalytic activity of the cationic actinide complex [(Et2N)3U][BPh4] in the dimerization and hydrosilylation of terminal. Characterization of the first f-element alkyne p-complex [(Et2N)2U(CCtBu)(h2-HCCtBu)][BPh4].
A. K. Dash, J. Wang, J.-C. Berthet, M. Ephritikhine, M. S. Eisen, J. Organomet. Chem. 604(1) (2000) 83

31- Molecular and electronic structure of AnIVFeII(CN)6.xH2O (An = Th, U, Np) compounds : an X-ray absorption spectroscopy investigation.
I. Bonhoure, C. Den Auwer, C. Cartier dit Moulin, Ph. Moisy, J.-C. Berthet, Ch. Madic, Can. J. Chem., 78(10) (2000) 1305.

30- Simple preparation of the anhydrous and solvent-free uranyl and cerium (IV) triflates UO2(OTf)2 and Ce(OTf)4. Crystal structure of UO2(OTf)2(py)3 and [{UO2)(py)4}2(m-O)][OTf]2.
J.-C. Berthet, M. Lance, M. Nierlich et M. Ephritikhine, Eur. J. Inorg. Chem (9) (2000), 1969.

29- Synthesis of the uranium triflates U(OTf)3 and U(OTf)4. Crystal Structure of [U(OTf)2(OPPh3)4][OTf].
J.-C. Berthet, M. Lance, M. Nierlich et M. Ephritikhine, Eur. J. Inorg. Chem (11) (1999) 2005  

28- Evolution of the metal coordination sphere in homoleptic amido uranium compounds.
R. Revel, J.-C. Berthet, C. Den Auwer et M. Ephritikhine, J. Synchrotron Rad. 6 (1999) 609.

27- Selective dimerization of terminal alkynes promoted by the cationic actinide compound [(Et2N)3U][BPh4]. Formation of the alkyne p-complex [(Et2N)2U(CCtBu)(h2-HCCtBu)][BPh4].
J. Wang, A. K. Dash, J.-C. Berthet, M. Ephritikhine et M. S. Eisen, Organometallics 18(13) (1999) 52407

26- First uranium (IV) triflates.
J.-C. Berthet, M. Lance, M. Nierlich et M. Ephritikhine, Chem. Commun. (1998) 1373

25- New advances in the chemistry of uranium amide compounds.
J.-C. Berthet et M. Ephritikhine, Coord. Chem. Rev. 178-180 (1998) 83.

24- Uranium amides as precursors to cationic and/or pentavalent compounds.
M. Ephritikhine, J.-C. Berthet, Ch. Boisson, M. Lance et M. Nierlich, J. Alloys Comp., (1998), 120, 6084.

23- X-Ray absorption spectroscopy of organouranium compounds in the (+V) and (+IV) oxidation states.
C. Den Auwer, Ch. Madic, J. -C. Berthet, M. Ephritikhine, J. J. Rehr, R. Guillaumont, Radiochimica Acta, (1997), 76, 211.

22- Influence of the nature of the ligands on the electronic ground state of organo-uranium (V) compounds.
D. Gourier, D. Caurant, J. -C. Berthet, Ch. Boisson,  M. Ephritikhine, INORGANIC CHEMISTRY 36(25) (1997) 5931

21- Reactivity of the cationic uranium amide compound [U(hC5Me5)2(NMe2)(OC4H8)][BPh4].
Ch. Boisson, J. -C. Berthet, M. Lance, M. Nierlich, M. Ephritikhine, J. Organomet. Chem. 548(1) (1997) 9.

20- Synthesis and crystal structure of [U(h-C5Me5)2(OC4H8)2][BPh4], the first cationic cyclopentadienyl compound of uranium (III).
Ch. Boisson, J. -C. Berthet, M. Lance, M. Nierlich, M. Ephritikhine,
J. Organomet. Chem. 533(1-2) (1997) 7.

19- Synthesis of cationic group 4 metals compounds by protonolysis of amide precursors. Crystal structure of [Ti(NMe2)3(NC5H5)2][BPh4].
Ch. Boisson, J. -C. Berthet, M. Lance, M. Nierlich, M. Ephritikhine, J. Organomet. Chem. 531(1-2) (1997) 115 .

18- Novel ring-opening reaction of tetrahydrofuran promoted by a cationic uranium amide compound.
Ch. Boisson, J. -C. Berthet, M. Lance, M. Nierlich, M. Ephritikhine,  J. Chem. Soc., Chem. Commun. (1996) 212917- Reactivity of the cationic uranium amide compound [U(h-C8H8)(NEt2)(OC4H8)2][BPh4].
Ch. Boisson, J. -C. Berthet, M. Lance, M. Nierlich, M. Ephritikhine, J. Organomet. Chem. 522(2) (1996) 249 .

16- Monocyclooctatetrene uranium amide compounds in the +4 and +5 oxidation states.
Ch. Boisson, J. -C. Berthet, M. Lance, J. Vigner, M. Nierlich et M. Ephritikhine, J. Chem. Soc., Dalton trans. (1996) 947 

15- Synthesis of cationic uranium compounds by protonolysis of amide precursors: cyclopentadienyl and cyclooctatetraene complexes.
J. -C. Berthet, Ch. Boisson, M. Lance, J. Vigner, M. Nierlich et M. Ephritikhine, J. Chem. Soc., Dalton trans. (1995) 302714- Synthesis of cationic uranium compounds by protonolysis of amide precursors: amide and chloroamide complexes.
J. -C. Berthet, Ch. Boisson, M. Lance, J. Vigner M. Nierlich et M. Ephritikhine, J. Chem. Soc., Dalton trans. (1995) 3019

13- Synthesis of organouranium(V) compounds by oxidation of neutral tetravalent Precursors. Crystal structures of [U(h-C5Me5)(NMe2)3(OC4H8)][BPh4] and [U(h-C5Me5)2(NEt2)2][BPh4], the first cationic uranium(V) complexes.
Ch. Boisson, J. -C. Berthet, M. Lance, M. Nierlich, J. Vigner et M. Ephritikhine, J. Chem. Soc., Chem. Commun. (1995) 543

12- Half- sandwich and mixed- ring uranium complexes.
J. -C. Berthet, J. -F. Le Maréchal, M. Ephritikhine, J. Organomet. Chem. 480(1-2) (1994) 155

11- New reactions of uranium amide complexes leading to pentavalent and cationic derivatives.
J. -C. Berthet et M. Ephritikhine, J. Chem. Soc., Chem.Commun. (1993) 1566

10- Synthesis of the triscyclopentadienyl(hydroxo)uranium (IV) [U(C5H4R)3(OH)] (R=SiMe3 or tBu) and their transformation into m-oxo bridged derivatives. Crystal structure of the trinuclear compound [{U(C5H4SiMe3)2(m-O)}3].
J. -C. Berthet, M. Ephritikhine and M. Lance, M. Nierlich, J. Vigner, J. Organomet. Chem. 460(1) (1993) 47

9- Anionic triscyclopentadienyl uranium (III) hydrides.
J. -C. Berthet, C. Villiers, J. -F. Le Maréchal, B. Delavaux-Nicot, M. Lance, M. Nierlich, J. Vigner, M. Ephritikhine, J. Organomet. Chem. 440(1-2) (1992) 53.

8- Reactions of the uranium (IV) hydride (C5H4SiMe3)3UH including the first transformation :  2 [M]-H + CO2 -> [M]-O-CH2-O-[M].
J. -C. Berthet et M. Ephritikhine, New J. Chem., (1992), 16, 767.

7- Absolute uranium-ligand bond disruption enthalpies in the L3UX complexes with X= I or H and L= (CH3)3SiC5H4 or (CH3)3CC5H4.
X. Jemine, J. Goffart, J. -C. Berthet et M. Ephritikhine,J. Chem. Soc., Dalton Trans. (1992) 2439

6- Synthesis and some reactions of triscyclopentadienyl uranium (IV) hydrides; crystal structure of (C5H4But)3UH.
J. -C. Berthet, J. -F. Le Maréchal, M. Nierlich, M. Lance, J. Vigner, M. Ephritikhine, J. Chem. Soc., Dalton Trans. (1992) 1573

5- Triscyclopentadienyluranium azide complexes.
J. -C. Berthet, M. Lance, M. Nierlich, J. Vigner, M. Ephritikhine, J. Organomet. Chem. 420(2) (1991) C9.

4- (h5-C5H4SiMe3)3UH : the first stable organouranium (IV) hydride.
J.- C. Berthet, J. -F. Le Maréchal et M. Ephritikhine, J. Chem. Soc., Chem. Commun. (1991) 360

3- Monocyclooctatetraenyl uranium (IV) alkyl and alkoxide complexes.
T. Arliguie, D. Baudry, J. -C. Berthet, M. Ephritikhine, J. -F. Le Maréchal, New J. Chem. 15 (1991) 569.

2- Synthesis and X-Ray crystal structure of the oxo bridged bimetallic organo-uranium complex [(Me3SiC5H4)3U]2[m-O].
J. -C. Berthet, J.- F. Le Maréchal, M. Nierlich, M. Lance, J. Vigner, M. Ephritikhine, J. Organomet. Chem. 408(3) (1991) 335

1- Convenient synthesis of (C8H8)UI2(THF)2 (THF = tetrahydrofuran), a precursor for monocyclooctatetraenyl uranium complexes.
J.-C. Berthet, J. -F. Le Maréchal, M. Ephritikhine, J. Organomet. Chem. 393(3) (1990) C47

 

Retour en haut