Zobrazeno 1 - 10
of 38
pro vyhledávání: '"M. Flammang‐Barbieux"'
Publikováno v:
Bulletin des Sociétés Chimiques Belges. 81:467-477
Les acides (esters) mentionnes dans le titre et les derives satures correspondants ont ete etudies par spectrographie de RMN-1H. The title acids (esters) and the corresponding saturated derivatives have been studied by 1H-NMR spectroscopy.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8a66871ed64b538ea4ed18b8bdf909e1
https://doi.org/10.1002/bscb.19720810144
https://doi.org/10.1002/bscb.19720810144
Publikováno v:
Bulletin des Sociétés Chimiques Belges. 95:1107-1116
Four new heteroaromatic pentalenes have been synthetised by reductive cyclisation with triethylphosphite of the appropriate nitropyridylbenzotriazoles or nitrophenyltriazolo [4,5-b] pyridines: the [2,3-b] pyridino [4,5] benzo-1,3a,6,6a-tetraazapental
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fc01239d558496de50cc4564deef9e46
https://doi.org/10.1002/bscb.19860951210
https://doi.org/10.1002/bscb.19860951210
Publikováno v:
Bulletin des Sociétés Chimiques Belges. 95:1117-1122
The orientation specificity for nitration reaction of [3,2-b] pyridino and [2,3-b] pyridino-1,3a,6,6a− and 1,3a,4,6a-tetraazapentalenes is discussed.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::df98f15f759497d616ee421df0519a36
https://doi.org/10.1002/bscb.19860951211
https://doi.org/10.1002/bscb.19860951211
Publikováno v:
Bulletin des Sociétés Chimiques Belges. 97:245-254
Tandem mass spectrometry (MS/MS) has been applied to investigate the behaviour of 1-(2-nitrophenyl)benzotriazole [8] upon flash-vacuum pyrolysis (FVP) conditions. Above 500°, 8 is pyrolyzed to give a mixture of 1-nitrocarbazole [11], 1-hydroxycarbaz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9b2835c618581fbf7d8a143c65e4cf98
https://doi.org/10.1002/bscb.19880970402
https://doi.org/10.1002/bscb.19880970402
Autor:
F. Beaufays-Bar, M. Flammang-Barbieux, Roland Touillaux, Jean-Marie Dereppe, Y. Van Haverbeke, A. Maquestiau
Publikováno v:
Bulletin des Sociétés Chimiques Belges. 85:573-577
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4d368c3ac61fb35baa10c0cb70da5149
https://doi.org/10.1002/bscb.19760850806
https://doi.org/10.1002/bscb.19760850806
Publikováno v:
Bulletin des Sociétés Chimiques Belges. 93:973-982
The reactions of [3, 2-b] pyridino [4, 5] benzo-1, 3a, 6, 6a-tetraazapentalene [I] and its nitro- or halogeno-derivatives with some electrophiles and nucleophiles are described. The directive influence of the tetraazapentalene nucleus on electrophili
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f30e9cf102f04318418f9d59dab273ec
https://doi.org/10.1002/bscb.19840931107
https://doi.org/10.1002/bscb.19840931107
Publikováno v:
Bulletin des Sociétés Chimiques Belges. 85:579-583
Some new imidazolin-4-ones are described. The carbonyl tautomers predominate in solution when the substituents are alkylgroups. A slow dimerization process is observed. Phenylated compounds offer a mixture of hydroxyl and carbonyl tautomers in differ
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1db4d878a7153a30696883f40252f631
https://doi.org/10.1002/bscb.19760850807
https://doi.org/10.1002/bscb.19760850807
Publikováno v:
Organic Mass Spectrometry. 28:1161-1166
Using a combination of mass spectrometric techniques, it is shown that 5-amino-4-cyanoisoxazole molecular ions (1+.), lose isocyanic acid HNC=O, not fulminic acid, HC=N --> 0. Metastable ion fragmentations (unimolecular and collision induced) and deu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b1363066bc12f75b311e6d4b1609f6ac
https://doi.org/10.1002/oms.1210281030
https://doi.org/10.1002/oms.1210281030
Publikováno v:
Rapid Communications in Mass Spectrometry. 6:667-670
Radical-cations of iminopropadienones (RN=C=C=C=O+.) have been generated by dissociative ionization of isoxazole precursors and structurally characterized by collisional activation mass spectrometry; the corresponding neutral cumulenes have also been
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0454fba895d5c0437d96eb975b9cc2b2
https://doi.org/10.1002/rcm.1290061108
https://doi.org/10.1002/rcm.1290061108
Publikováno v:
Tetrahedron. 36:1993-1998
Reactions which simulate acid catalysed rearrangements in solution have been demonstrated in organic cations generated by chemical ionisation in the mass spectrometer. The pinacol-pinacolone rearrangement has been shown to occur following protonation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1b15dae6d48833feb896edbd93bfca65
https://doi.org/10.1016/0040-4020(80)80212-2
https://doi.org/10.1016/0040-4020(80)80212-2