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Mostrando 361 - 380 Resultados de 861 Para Buscar '"Butanés"', tiempo de consulta: 0.49s Limitar resultados
  1. 361
    “…In the title coordination polymer, {[Ni(C(8)H(10)O(4))(C(10)H(14)N(4))]·0.25H(2)O}(n), the coordination of the Ni(II) ion is distorted octa­hedral. The 1,1′-(butane-1,4-di­yl)diimidazole ligand and the cyclo­hexane-1,4-dicarboxyl­ate dianion bridge metal centres, forming a two-dimensional (4,4) network. …”
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    Poly[[[μ-1,1′-(butane-1,4-di­yl)diimidazole-κ(2) N (3):N (3′)](μ-cyclo­hexane-1,4-dicarboxyl­ato-κ(4) O (1),O (1′):O (4),O (4′))nickel(II)] 0.25-hydrate]
  2. 362
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    1,1′-Dimethyl-4,4′-(2,4-di-1-naphthyl­cyclo­butane-1,3-di­yl)dipyridinium–(E)-1-methyl-4-[2-(1-naphth­yl)vin­yl]pyridinium–4-amino­benzene­sulfonate–water (0.25/1.50/2/2)
  3. 363
    “…In the title coordination polymer, {[Zn(C(9)H(7)NO(4))(C(10)H(14)N(4))]·2H(2)O}(n), the Zn(II) ion displays a distorted tetra­hedral geometry with two imidazole N atoms from two 1,1′-(butane-1,4-di­yl)bis­(imidazole) (bbi) ligands and two carboxyl­ate O atoms from two 2,6-dimethyl­pyridine-3,5-dicarboxyl­ate (dpdc) ligands. …”
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    Poly[[[μ(2)-1,1′-(butane-1,4-di­yl)bis­(1H-imidazole)-κ(2) N (3):N (3′)](μ(2)-2,6-di­methyl­pyridine-3,5-dicarboxyl­ato-κ(2) O (3):O (5))zinc] dihydrate]
  4. 364
    por Xie, Chen, Zheng, ChangGe
    Publicado 2015
    “…In the title compound, [Co(C(20)H(12)O(6))(C(18)H(18)N(4))](n), the Co(II) atom, located on a twofold rotation axis, is hexa­coordinated to four O from two bis-bidentate 4,4′-[phenyl­enebis(­oxy)]dibenzoate (L) ligands and two N atoms from two 1,1′-(butane-1,4-di­yl)bis­(1H-benzimidazole) (bbbm) ligands, forming a distorted octahedral cis-N(2)O(4) coordination environment. …”
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    Crystal structure of poly[[μ-1,1′-(butane-1,4-di­yl)bis­(1H-benzimidazole)-κ(2) N (3):N (3′)]{μ-4,4′-[1,4-phenyl­enebis(­oxy)]di­ben­zo­ato-κ(4) O,O′:O′′,O′′′}cobalt(II)]
  5. 365
    “…The copper(I) cation is coordinated in a distorted tetra­hedral geometry by two N atoms of a chelating 3,4,7,8-tetra­methyl-1,10-phenanthroline ligand and two P atoms of two bridging 1,4-bis­(di­phenyl­phosphan­yl)butane ligands, forming a 14-membered ring. An intra­molecular π–π inter­action stabilizes the conformation of the dication. …”
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    Crystal structure of bis­[μ-1,4-bis­(di­phenyl­phos­phan­yl)butane-κ(2) P:P′]bis­[(3,4,7,8-tetra­methyl-1,10-phenanthroline-κ(2) N,N′)copper(I)] bis­(hexa­fluorido­phosphate) di­chloro­methane disolvate
  6. 366
    “…The crystal structure of (R,R)-4-bromo-2-{4-[4-bromo-1-(4-toluene­sulfon­yl)-1H-pyrrol-2-yl]-1,3-di­nitro­butan-2-yl}-1-(4-toluene­sulfon­yl)-1H-pyrrole (1, C(26)H(24)Br(2)N(4)O(8)S(2)) is presented. …”
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    Structure of (R,R)-4-bromo-2-{4-[4-bromo-1-(4-toluene­sulfon­yl)-1H-pyrrol-2-yl]-1,3-di­nitro­butan-2-yl}-1-(4-toluene­sulfon­yl)-1H-pyrrole, another ostensible by-product in the synthesis of geminal-dimethyl hydro­dipyrrins
  7. 367
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    [μ-1,1′-(Butane-1,4-di­yl)di-1H-benz­imidazole-κ(2) N (3):N (3′)]bis­{[N,N′-bis(car­boxy­meth­yl)ethyl­enediamine-N,N′-di­acetato-κ(5) O,O′,O′′,N,N′]mercury(II)} methanol disolvate
  8. 368
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    {μ-6,6′-Dimeth­oxy-2,2′-[butane-1,4-diylbis(nitrilo­methyl­idyne)]diphenolato-1:2κ(8) O (6),O (1),O (1′),O (6′):O (1),N,N′,O (1′)}tris­(nitrato-1κ(2) O,O′)copper(II)gadolinium(III)
  9. 369
    por Fu, Gui-Hong
    Publicado 2010
    “…In the crystal structure of the title compound, [Zn(4)(C(8)H(4)O(4))(4)(C(8)H(12)N(6))(H(2)O)(4)](n), one Zn(II) atom is four-coordinated in a slightly distorted tetra­hedral geometry by two O atoms from benzene-1,3-dicarboxyl­ate (BDC) ligands, one N atom from a 1,4-bis­(1,2,4-triazol-1-yl)butane (BTB) ligand and one water mol­ecule, while a second Zn(II) atom is five-coordinated in a distorted square-pyramidal geometry bridged by four O atoms from BDC ligands and one water mol­ecule. …”
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    Poly[tetra­aqua­bis­(μ(3)-benzene-1,3-di­carboxyl­ato-κ(3) O:O′:O′′)bis­(μ(2)-benzene-1,3-dicarboxyl­ato-κ(3) O,O′:O′′)[μ(2)-1,4-bis­(1,2,4-triazol-1-yl)butane-κ(2) N:N′]tetra­zinc(II)]
  10. 370
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    The crystal structures and Hirshfeld surface analysis of N′,N′′′-((1E,1′E)-{[methyl­enebis(­oxy)]bis­(6-bromo-3,1-phenyl­ene)}bis­(methan­ylyl­idene))bis­(isonicotinohydrazide) dihydrate and N′,N′′′-((1E,1′E)-{[butane-1,4-diylbis(­oxy)]bis­(2,1-phenyl­ene)}bis­(methan­ylyl­idene))bis­(isonicotino­hydrazide) [+ solvent]
  11. 371
    “…Traditional radical-mediated ring-opening of bicyclo[1.1.0]butanes (BCBs) for cyclobutane synthesis suffers from poor diastereoselectivity. …”
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    Lewis acid-catalyzed diastereoselective carbofunctionalization of bicyclobutanes employing naphthols
  12. 372
    por Sharland, Jack C., Davies, Huw M. L.
    Publicado 2023
    “…The reactions of chiral 2-arylbicyclo[1.1.0]butanes in the same manner generate altogether different products with high asymmetric induction, methylene-difluorocyclobutanes. …”
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    One-Pot Synthesis of Difluorobicyclo[1.1.1]pentanes from α-Allyldiazoacetates
  13. 373
    “…Ring-opening of bicyclo[1.1.0]butanes (BCBs) is emerging as a powerful strategy for 1,3-difunctionalized cyclobutane synthesis. …”
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    C(sp(2))–H cyclobutylation of hydroxyarenes enabled by silver-π-acid catalysis: diastereocontrolled synthesis of 1,3-difunctionalized cyclobutanes
  14. 374
    “…Here we report a solution to this challenge: a one‐pot halosulfonylation of [1.1.1]propellane, [3.1.1]propellane and bicyclo[1.1.0]butanes that proceeds under practical, scalable and mild conditions. …”
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    Rapid and Scalable Halosulfonylation of Strain‐Release Reagents
  15. 375
    “…Apportionment for the most abundant individual NMHC showed that the vehicular source is the major contributor to acetylene, ethylene, pentanes, n-hexane, toluene, and xylenes, while handling and distribution of LP gas was the major source contributor to propane and butanes. Comparison between CMB estimates of NMHC and the emission inventory showed a good agreement for vehicles, handling and distribution of LP gas, and painting operations; nevertheless, emissions from diesel exhaust and asphalt operations showed differences, and the results suggest that these emissions could be underestimated.…”
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    Receptor Model Source Apportionment of Nonmethane Hydrocarbons in Mexico City
  16. 376
    “…We present adsorption and desorption isotherms of methane, ethane, propane, n-butane and iso-butane as well as carbon dioxide for two shales and isolated kerogens determined by a gravimetric method. …”
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    Sorption Hysteresis of Light Hydrocarbons and Carbon Dioxide in Shale and Kerogen
  17. 377
    “…When (3E,6E)-α-farnesene was combined with 4-(n-heptyloxy)butan-1-ol and 4-(n-heptyloxy)butanal, attraction of both sexes increased compared to assays using 4-(n-heptyloxy)butan-1-ol and 4-(n-heptyloxy)butanal alone.…”
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    Identification of a Potential Third Component of the Male-Produced Pheromone of Anoplophora glabripennis and its Effect on Behavior
  18. 378
    “…The pore characteristics were investigated using N(2)/77K adsorption isotherms. The butane working capacity (BWC) was determined according to ASTM D5228. …”
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    Pitch-Derived Activated Carbon Fibers for Emission Control of Low-Concentration Hydrocarbon
  19. 379
    “…The angle between the mean planes of the cyclo­butane and fused pyrrolidine ring is 67.6 (6)°. The dihedral angles between the mean planes of the pyrrolidine and cyclo­butane rings and the dioxopiperidine ring are 73.9 (2) and 62.4 (4)°, respectively. …”
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    3-(2,6-Dioxopiperidin-3-yl)-3-aza­bicyclo­[3.2.0]heptane-2,4-dione
  20. 380
    “…Meanwhile, subcritical butane and subcritical butane‐dimethyl ether extraction were used to extract KO for analysis comparison. …”
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    The comparison of krill oil extracted through ethanol–hexane method and subcritical method
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