Browsing by Subject "R factor = 0.047"

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    • (1RS,4RS,5RS)-Methyl 2-(3,5-di­nitro­benzo­yl)-2-oxa-3-aza­bi­cyclo­[3.3.0]oct-7-ene-4-carboxyl­ate 

      Sousa, Carlos A.D.; Rodríguez Borges, José E.; Vale, M. Luísa C.; García Mera, Xerardo Xusto (International Union of Crystallography, 2009)
      In organic synthesis, the usual techniques as NMR, mass or infra-red spectrometry and elemental analysis are often not enough for the unequivocally determination of a structure of a compound. When it is possible to ...

    • 3-O-Benzyl-6-O-benzoyl-1,2-Oisopropilidene-5-C-nitromethyl-a-Dglucofuranose 

      Pampín Casal, María Begoña; Valencia Matarranz, Laura; Estévez Cabanas, Juan Carlos; Estévez Cabanas, Ramón José (International Union of Crystallography, 2008)
      The title compound, C24H27NO9, is one of the epimers of the Henry reaction of 3-O-benzyl-6-O-benzoyl-2-O-isopropyl­idene-a-D-glucofuran-5-one with nitro­methane. The conformation of the five membered rings is as expected ...




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