Mostrando 261 - 280 Resultados de 861 Para Buscar '"Butanés"', tiempo de consulta: 0.23s Limitar resultados
  1. 261
    “…The title compound, [Ru(C(10)H(15))(C(10)H(12)O)][B(C(6)H(5))(4)], crystallizes as discrete (η(5)-penta­methyl­cyclo­penta­dien­yl)Ru(η(6)-4-phenyl­butan-2-one)](+) cations and [BPh(4)](−) anions. …”
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  2. 262
    por Wang, Shi-Juan, Zhong, Kai-Long
    Publicado 2011
    “…The Co(2+) ion, the S atom and the mid-point of the central C—C bond of the butane-2,3-diol solvent mol­ecule are situated on twofold rotation axes. …”
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  3. 263
  4. 264
    por Zhong, Kai-Long, Ni, Chao
    Publicado 2012
    “…The Ni(II) ion, the S atom and the mid-point of the central C—C bond of the butane-2,3-diol solvent mol­ecule lie on a twofold rotation axis. …”
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  5. 265
  6. 266
    “…[Image: see text] Starting from methylmaleic anhydride, a facile total synthesis of pandalizine A alkaloid is described via the regioselective reduction of methylmaleimide and acid-catalyzed enolization of 4-(3-methyl-2-oxo-2,5-dihydro-1H-pyrrol-1-yl)butanal followed by chemoselective intramolecular dehydrative cyclization as the key steps. …”
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  7. 267
  8. 268
  9. 269
    por Zou, Xian-Zhi
    Publicado 2008
    “…The naphthalene-1,4-dicarboxyl­ate and 1,1′-(butane-1,4-di­yl)diimidazole ligands bridge the Ni centres to form a two-dimensional (4,4)-network, and O—H⋯O hydrogen bonds complete the structure.…”
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  10. 270
    “…The l-(+)-rhamnopyran­oside and 2′,3′-dimethoxy­butane-2′,3′-diyl rings adopt chair conformations and all meth­oxy groups are in axial positions. …”
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  11. 271
    “…The title Cd(II) coordination polymer, catena-poly[[{1,4-bis­[1-(2-pyridylmeth­yl)benzimidazol-2-yl]butane}cadmium(II)]-μ-benzene-1,3-dicarboxyl­ato], [Cd(C(8)H(4)O(4))(C(30)H(28)N(6))](n), was obtained by reaction of CdCO(3), benzene-1,3-dicarboxylic acid (H(2)btc) and 1,4-bis­[1-(2-pyridylmeth­yl)benzimidazol-2-yl]butane (L). …”
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  12. 272
  13. 273
  14. 274
    “…In the title compound, [Co(C(17)H(12)F(3)O(3))(2)(C(5)H(5)N)(2)], the Co(II) ion is situated on a twofold rotation axis, coordinated by four O atoms from two 1-[4-(benz­yloxy)phen­yl]-4,4,4-trifluoro­butane-1,3-dionate(1−) (L) ligands and two N atoms from two pyridine ligands in a distorted octa­hedral geometry. …”
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  15. 275
    “…The water mol­ecules are localized in cavities formed by the tetra­butyl­ammonium cations and the tert-butane­thiol­ate groups. The metal clusters are stacked in a cubic close packing arrangement along [001].…”
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  16. 276
  17. 277
  18. 278
    por Li, Jia-Jia, Zhu, Wei-Min
    Publicado 2012
    “…In the polymeric title compound, {[Ag(C(8)H(10)N(4)S(4))]ClO(4)·1.5H(2)O}(n), the Ag(I) atom has a slightly distorted trigonal-planar coordination geometry provided by three N-atom donors from the thia­diazole rings of three symmetry-related 2,2′-[butane-1,4-diylbis(sulfanedi­yl)]bis­(1,3,4-thia­diazole) ligands. …”
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  19. 279
    “…The title compound, [Pt(C(6)H(6)O(4))(C(12)H(8)N(2))]·2H(2)O, which crystallizes as two independent formula units, has the metal atom in a square-planar geometry defined by two O atoms of the chelating cyclo­butane-1,1-di­carboxyl­ate dianion and two N atoms of the chelating 1,10-phenanthroline mol­ecule (r.m.s. deviations of the PtO(2)N(2) units = 0.026 and 0.026 Å). …”
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  20. 280
    “…For each of the cations, the distorted cubic coordination environment is defined by two F and four O atoms of symmetry-related 1,4-chloro­phenyl-4,4,4-tri­fluoro­butane-1,3-dionate anions and by two O atoms of water mol­ecules. …”
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