Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Jacques Le Moigne"'
Autor:
Kari Rissanen, Jack Harrowfield, Ernest Graf, Jean-Marie Lehn, Jean-Pierre Kintzinger, Jacques Le Moigne
Publikováno v:
ChemPlusChem. 83:605-611
The spherical macrotricyclic cryptand tetramine "C24" (1) displays remarkable protonation behaviour. It undergoes protonation in four successive steps for which pKa values of 11.17±0.05, 10.28±0.04, 6.00±0.06 and 3.08±0.08 have been determined at
Autor:
Jacques Le Moigne, Pierre Rabu, Nathalie Gruber, Laure Catala, Elie Belorizky, Philippe Turek, Juan J. Novoa
Publikováno v:
Chemistry - A European Journal. 11:2440-2454
Le present travail complete et etend nos travaux precedents portant sur la determination des couplages d'echange magnetique intramoleculaires de series de biradicaux, [ 1 , 2 ] et partant de cette connaissance, de l'analyse des correlations magnetost
Autor:
Laurence Oswald, Ivana Moggio, Héctor Barrientos, Jacques Le Moigne, Jorge Romero, Eduardo Arias
Publikováno v:
Polymer Bulletin. 53:269-275
Two urethane carbazolyldiacetylenes, 6-(N-Carbazolyl)hexa-2,4-diyn-1-ol-1acetate buthyl urethane and 9-(N-carbazolyl)nona-5,7-diyn-1-ol-acetate buthyl urethane (hereafter named CHBU and CNBU, respectively), which present methylene spacers with differ
Autor:
Juan J. Novoa, Paul Rey, Laure Catala, Jacques Le Moigne, Philippe Turek, Nathalie Kyritsakas
Publikováno v:
Chemistry. 7:2466-2480
An extensive investigation of the magnetic properties of three series of biradicals (bis-nitronyl nitroxides diNN-R, bis-imino nitroxides diIN-R and mixed INNN-R, where R is either hydrogen, a triple bond or trimethylsilylacetylenic group) has been c
Autor:
Jacques Le Moigne
Publikováno v:
Naval Engineers Journal. 113:79-82
This article gives a short description of recent progress accomplished in order to integrate logistics through the entire life cycle activities, the strategy implemented for maintaining efficient operational availability in our future ships, and the
Autor:
Cyril Mathieu, J. C. Wittmann, Annette Thierry, C Straupe, Jacques Le Moigne, Victor Da Costa, Bernard Lotz
Publikováno v:
Macromolecular Symposia. 166:43-58
Control of structural order at the molecular level for both conventional linear polymers and conjugated polymers with valuable optoelectronic properties has major consequence on the macroscopic properties of these polymers. Though the traditional mea
Publikováno v:
Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals. 305:55-67
The properties of a series of stable diradicals based either on iminonitroxide (IN) or nitronylnitroxide (NN) are described. Both radical fragments are coupled by various phenylene and phenylethynylene (triple bond) bridges. They are characterized by
Autor:
André Bieber, André De Cian, Pascale Wautelet, Jean-Louis Stanger, Jacques Le Moigne, Philippe Turek, P. Rey, Jean-Jacques André, Jean Fischer
Publikováno v:
Molecular Crystals and Liquid Crystals Science and Technology. Section A. Molecular Crystals and Liquid Crystals. 272:99-108
A phenyl diethynyl bridge is used as a magnetic coupling unit (MCU) between two iminonitroxide π-radicals. The ethynyl moiety is attached to the central phenyl ring either in the para or in the meta position. The magnetic properties of the resulting
Publikováno v:
ChemInform. 33
Publikováno v:
Die Makromolekulare Chemie. 193:515-530
New polyacetylenes with cholesteryl side-groups with different spacer lengths are polymerized through classical metathesis reaction in solution with the transition metal halides WCl6, MoCl5, and TaCl5. The highest polymerization yield and the best av