Zobrazeno 1 - 10 of 77 pro vyhledávání: '"D. Vigner"'
1
Two cis Ring-Fused exo N-Aryl Heterocycles: 1-Phenyl-2-(2,4,6-trimethylphenyl)decahydroquinolin-4-one and 1-(4-Trifluoromethylphenyl)-2-phenyldecahydroquinolin-4-one
Autor: D. Vigner, R. Paugam, D. Nogue, Monique Lance, L. Wartski, Martine Nierlich
Publikováno v: Acta Crystallographica Section C Crystal Structure Communications. 52:207-210
For the title compounds, C24H29NO (I) and C22H22F3NO (II), the cyclohexane ring adopts a chair conformation. Both compounds exhibit a cis ring-fused exo configuration. When the N atom bears a phenyl ring and the C(2) atom is substituted by a 2,4,6-tr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::2fa4963f16ea58d3a37e6c164820528f
https://doi.org/10.1107/s0108270195009036
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2
Easy access to highly functionalized bicyclic lactones and ketones
Autor: Monique Lance, Martine Nierlich, Marie‐Claude Roux, D. Vigner, L. Wartski
Publikováno v: Tetrahedron. 50:8445-8456
Lewis acid catalyzed cyclization of lactones 1 – 4 or cyclohexanone 5 bearing trans vicinal aroyl and allylic moieties provided stereoselecti
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3d8d4e5c0cd48fc695640431d31459dc
https://doi.org/10.1016/s0040-4020(01)85565-4
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3
Scope of [1 + 2 + 3] annulations using aminonitriles as Michael donors
Autor: Marie Claude Roux, Jacqueline Seyden-Penne, L. Wartski, D. Vigner, Monique Lance, Gary H. Posner, Martine Nierlich
Publikováno v: The Journal of Organic Chemistry. 58:3969-3973
The reaction of (N,N-dimethylamino)phenylacetonitrile anion (I) as a one-carbon atom Michael donor toward α,β-unsaturated lactones and ketones followed by allylation of the intermediate enolates provided in a one-pot procedure trans α-monoallylate
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::79582114e8249aada5de3b7433d222ce
https://doi.org/10.1021/jo00067a032
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4
Complexes between uranyl nitrate and benzo-15-crown-5: structures of the (2/1) and (1/1) complexes of benzo-15-crown-5–diaquadinitratodioxouranium(VI)
Autor: D. Vigner, N. Keller, Martine Nierlich, Monique Lance, L. Deshayes
Publikováno v: Acta Crystallographica Section C Crystal Structure Communications. 49:16-19
UO2(NO3)2(H20)2).2C14H2oOs, Mr = 966.69, monoclinic, P21/n, a = 10.891 (3), b = 8.312(2), c= 20.507 (6) /~, fl=97.21(2) °, V= 1842 (1)/~3, Z = 2, Dx = 1.74 g cm -3, a(Mo Ka) = 0.71073 A_, /x = 42.56 cm- ~, F(000) = 956, T = 295 K, R = 0.024 for 1994
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6fd7822a3716e51a52768f8b7796d308
https://doi.org/10.1107/s0108270192004980
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6
ChemInform Abstract: Easy Access to Highly Functionalized Bicyclic Lactones and Ketones
Autor: Marie‐Claude Roux, D. Vigner, Martine Nierlich, Monique Lance, L. Wartski
Publikováno v: ChemInform. 25
Lewis acid catalyzed cyclization of lactones 1 – 4 or cyclohexanone 5 bearing trans vicinal aroyl and allylic moieties provided stereoselecti
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3dddd02e9a74a7f062d282d78a4f92bc
https://doi.org/10.1002/chin.199449076
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8
Structure of exo and endo adducts of 1-(p-methoxyphenyl)-2-phenyl-4-trimethylsiloxy-1,2,3,5,6,7,8,8a-octahydroquinoline
Autor: L. Wartski, Martine Nierlich, L. Le Coz, Monique Lance, P. Charpin, D. Vigner
Publikováno v: Acta Crystallographica Section C Crystal Structure Communications. 47:173-176
1) C 25 H 33 NO 2 Si cristallise dans P2 1 avec a=6,018, b=8,073, c=24,205 A, β=92,07 o , Z=2; affinement jusqu'a R=0,080; 2) C 25 H 33 NO 2 Si cristallise dans P1 avec a=9,106, b=10,541, c=13,210 A, α=79,20, β=73,04, γ=88,06 o , Z=2; affinement
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::93f96dfdc65fe22039f937eaa4fd286a
https://doi.org/10.1107/s0108270190000099
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9
Structure of a tetranuclear uranium(IV) compound: hemiaquatetrakis(trifluoroacetato)uranium(IV)–4,7,13,16,21,24-hexaoxa-1,10-diazabicyclo[8.8.8]hexacosane (4/2)
Autor: D. Vigner, Martine Nierlich, C. de Rango, Pierrette Charpin, G. Folcher, A. Navaza, Monique Lance
Publikováno v: Acta Crystallographica Section C Crystal Structure Communications. 46:1778-1781
4[U(CF 3 COO) 4 (H 2 O) 0,5 ]•2C 18 H 36 N 2 O 6 cristallise dans P1 avec a=13,003, b=13,338, c=16,738 A, α=84,36, β=68,71, γ=87,19°, Z=1, affinement jusqu'a R=0,038. Les quatre atomes U sont relies par des coordinats trifluoracetate et des mol
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::75afeaf4fc4bc82bd0c0c595e287b002
https://doi.org/10.1107/s0108270190000087
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10
Structure of trans-methyl {2-[(cyano)(phenylthio)methyl]-3-oxocyclopentyl}acetate, C16H17NO3S
Autor: Monique Lance, T. Strzalko, L. Wartski, Martine Nierlich, D. Vigner
Publikováno v: Acta Crystallographica Section C Crystal Structure Communications. 50:131-133
The X-ray analysis confirms the trans relationship between the C(2) and C(3) substituents of the cyclopentanone ring and allows us to determine the relative configuration: 2S, 3R, 9S or 2R, 3S, 9R. Moreover, it indicates the half-chair conformation o
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3a918f888fd025d6b8ee111854e946df
https://doi.org/10.1107/s010827019300681x
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