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Acta Cryst. (2012). E68, o148  [ doi:10.1107/S1600536811053530 ]

3,3'-(Ethane-1,2-diyl)bis(3,4-dihydro-2H-1,3-benzoxazine)

A. Rivera, J. Camacho, J. Ríos-Motta, K. Fejfarová and M. Dusek

Abstract: The title compound, C18H20N2O2, was prepared by Mannich-type reaction of phenol, ethane-1,2-diamine and formaldehyde. The heterocyclic rings adopt half-chair conformations. The acyclic methylene groups attached to the N atoms are in an axial position. In the crystal, weak C-H...O hydrogen bonds link the molecules into dimers. These dimers are further connected via C-H...[pi] contacts.

Online 17 December 2011


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