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Crystal structures of 2-(2-methoxyphenyl) perimidine and its hemihydrate |
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| Authors: | Concepción Foces-Foces Antonio L Llamas-Saiz Rosa Mariá Claramunt Dionisia Sanz Julio Dotor José Elguero |
| Institution: | (1) U. E. I, de Cristalografía, Instituto de Química-Física  Rocasolano , CSIC, Serrano, 119, E-28006 Madrid, Spain;(2) Departamento de Química Orgánica y Biología, Facultad de Ciencias, UNED, Ciudad Universitaria, E-28040 Madrid, Spain;(3) Present address: Instituto de Bachillerato  Hernán Pérez del Pulgar, , 13002 Ciudad Real, Spain |
| Abstract: | The crystal structures of the title compound and that of its hemihydrate have been determined. The anhydrous compound is roughly planar due to an intramolecular hydrogen bond (IMHB). The orange color can be related to its planarity and to the greater degree of overlapping between the perimidine and the phenyl group than in the hemihydrate. The yellow hemihydrate is not planar and the water molecule joins through O-H N hydrogen bonds two molecules related by a crystallographic twofold axis. In solution the compound behaves like the anhydrous form. |
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