Zobrazeno 1 - 10 of 105 pro vyhledávání: '"G. Mattern"'
1
Structure cristalline de la 4-méthyl-1,2,4-triazole-thione
Autor: M. Saidi Idrissi, G. Mattern, L. Benarafa, A. El Hajji, L. El Ammari
Publikováno v: Journal de Chimie Physique et de Physico-Chimie Biologique. 95:2103-2108
La 4-methyl-1,2,4-triazole-thione cristallise dans un systeme monoclinique avec un groupe d'espace P21/n. Les parametres cristallins sont : a = 7,946 A ; b = 6,295 A ; c = 20,901 A ; β=100,47○ et Z = 8. L'affinement de la structure a conduit aux f
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a2393a26e2c36cdc254f99a1ceaf94c2
https://doi.org/10.1051/jcp:1998357
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2
The Peierls transition of Perylene radical cation salts with 2:1 stoichiometry containing tetrahydrofuran
Autor: Elmar Dormann, M. Burggraf, W. Wendl, W. F. Kuhs, H. Dragan, P. Gruner-Bauer, A. Wolter, D. Muller, G. Mattern, H. W. Helberg
Publikováno v: Zeitschrift f�r Physik B Condensed Matter. 96:439-450
Crystal structure, microwave conductivity and static magnetic susceptibility were analyzed for the conducting perylene (PE) radical cation salts of nominal composition (PE)2(PF6)1−x(AsF6) x ·2/3 THF for 0≦x≦1. Crystallographic phase transition
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4a9d6a03db5a3ca518e4499e2d353ee1
https://doi.org/10.1007/bf01313841
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3
Electrocrystallization, crystal structure and physical properties of hexaperylene hexafluorophosphate, (C20H12)6 .+.PF6 −
Autor: G. Mattern, H. Dragan, M. Burggraf, W. F. Kuhs, B. Pilawa, E. Dormann, Wolfgang Brütting
Publikováno v: Acta Crystallographica Section B Structural Science. 50:741-746
Electrocrystallization and crystal structure are reported for the 6:1 salt of perylene (PE) and hexafluorophosphate. The three-dimensional crystal structure contains PE dimers with very small intradimer and large interdimer separation. Measurements o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fcbf8295ad238bd88bbf4d3a27679430
https://doi.org/10.1107/s0108768194004027
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4
Lack of a role of the hypothalamic-pituitary-adrenal axis in the fasting-induced suppression of luteinizing hormone secretion in adult male rhesus monkeys (Macaca mulatta)
Autor: Judy L. Cameron, Dana L. Helmreich, L G Mattern
Publikováno v: Endocrinology. 132:2427-2437
One day of fasting suppresses pulsatile LH secretion in adult male rhesus monkeys. In the present study, we determined whether the hypothalamic-pituitary-adrenal (HPA) axis is activated by 1 day of fasting, and if there is any evidence that an increa
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::db9be9a7ee282ca2a82f5b686a9a89ee
https://doi.org/10.1210/endo.132.6.8389280
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7
The crystal and molecular structure of 2,2-diphenyl-1,3,2-oxathiastannolane
Autor: G. Mattern, G. Engel, Klaus Fütterer
Publikováno v: Zeitschrift für Kristallographie. 199:113-121
Crystallization in P2 1 /c with a=8.807A, b=13.867A, c=11.645A, =104.73 ° , R=0.0279. The coordination number of tin is 5 because of a dimerization.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c457d179cc0d3c1e22f17f49021fc8df
https://doi.org/10.1524/zkri.1992.199.1-2.113
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8
The Absolute Configuration ofcis-(αS,1S,2R)-2-Methyl-1-(α-methylbenzylamino)cyclohexanecarboxamide
Autor: F.-J. Volk, August W. Frahm, G. Mattern, E. Weckert
Publikováno v: Acta Crystallographica Section C Crystal Structure Communications. 54:387-389
The title compound, C 16 H 24 N 2 O, was obtained during our investigations on the asymmetric Strecker synthesis of non-proteinogenous α-quarternary α-amino acids with vicinal chiral centres. The X-ray structure determination was carried out in ord
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::73aead5c5c03d8fc7eb1512c1d3b5c7f
https://doi.org/10.1107/s0108270197013917
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9
Absolute Configuration of Chlorojanerin, a Chlorine-Containing Guaianolide from Centaurea scoparia
Autor: Diaa T. A. Youssef, G. Mattern, E. Weckert, August W. Frahm
Publikováno v: Acta Crystallographica Section C Crystal Structure Communications. 52:1791-1793
The title guaianolide, chlorojanerin [(1R,3S,4R,5S,6S,7R,8S)4-chloromethyl-3,4-dihydroxy-8-(4-hydroxymethacryloyl)-1H,5H,6H,7H-guaia-10(14),11(13)-dien-6,12-olide, C 19 H 23 ClO 7 ], was obtained from the ethanol extracts of the air-dried aerial flow
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::988563c4c48dd5267177210cbc9a198a
https://doi.org/10.1107/s0108270196000741
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10
Tris(O-4-tert-butylphenyl)thiophosphate, C30H39O3PS
Autor: I.E. Gümrükçüoğlu, K. Eichhorn, Orhan Büyükgüngör, G. Mattern, Mustafa Odabaşoğlu
Publikováno v: Acta Crystallographica Section C Crystal Structure Communications. 51:1207-1209
The P-O bond of the title compound is aligned along a threefold symmetry axis, making the three 4-(tert-butyl)phenyl groups crystallographically equivalent. The P atom is bonded to three O and one S atom, forming a distorted tetrahedron : O-P-S = 117
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::570948d5209ef89d9b90d5f35ad0a24e
https://doi.org/10.1107/s0108270194013624
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