In both structures, the molecules in the crystal are linked by intermolecular hydrogen bonds O-H In structure 1, both hydroxyl groups adopt an anti-conformation with a torsion angle O1-C1-C2-O2 value of 93.1 (2)o. Based on the crystallographic information obtained for compound 1, the relative configuration for the chiral centers is 1S and 2S. These two new molecules arise from a facile preparation of 1,2-diols from chalcones and have been fully characterized. Compound 1 crystallizes in the orthorhombic space group P212121 with unit cell parameters a = 5.2177 (6), b = 13.903 (2), c = 21.121 (2) A, Z = 4. International Journal of Organic Chemistry,ĪBSTRACT: Structures of 2-(naphthalen-2-ylmethyl)-2,3-dihydro-1H-indene-1,2-diol (C20H18O2), compound 1 and 1-(3,4-dimethoxyphenyl)-3-methoxy-3-(4-nitrophenyl)propane-1,2-diol chloroform (C18H21NO7♼HCl3) compound 2 were established by spectral and X-ray diffraction studies. Obregón-Mendoza, María Miriam Estévez-Carmona, Carolina Escobedo-Martínez, Manuel Soriano-García, Raúl G. Bruker AXS Inc., Madison.įacile Preparation of 1,2-Diols from Chalcones: An NMR Spectroscopy and X-Ray Crystallography StudyĪUTHORS: Marco A.
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