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- ItemCrystal structure of (1S,2R,4S)-1-[(morpholin-4-yl)-methyl]-4-(prop-1-en-2-yl)cyclohexane-1,2-diol(Chester : International Union of Crystallography, 2015) Outouch, Rachid; Oubaassine, Saadia; Ali, Mustapha Ait; El Firdoussi, Larbi; Spannenberg, AnkeThe asymmetric unit of the title compound, C14H25NO3, contains two independent molecules with similar geometry. The morpholine and cyclohexane rings of both molecules adopt a chair conformation. Intramolecular O-H...N hydrogen bonds are observed. In the crystal, molecules are linked by O-H...O hydrogen bonds into chains parallel to the [101] direction. The chains are further connected through C-H...O hydrogen bonds forming undulating layers parallel to the (-101) plane. The absolute configuration was assigned by reference to an unchanging chiral centre in the synthetic procedure.
- ItemCatalytic β-Bromohydroxylation of Natural Terpenes: Useful Intermediates for the Synthesis of Terpenic Epoxides(New York, NY [u.a.] : Hindawi, 2018) Oubaassine, Saadia; Köckritz, Angela; Eckelt, Reinhard; Martin, Andreas; Ait Ali, Mustapha; El Firdoussi, LarbiIn a one-step procedure, various ß-bromoalcohols were synthesized from natural terpenes in good to excellent yields. Using different catalysts, the reaction was carried out at room temperature, with H 2 O as nucleophile and N-bromosuccinimide as a bromine source under mild reaction conditions. The synthesized ß-bromoalcohols were subsequently converted in situ to the corresponding epoxides in good yields. © 2019 Saadia Oubaassine et al.