Research Article: 4,4′-Dibromo-2,2′-{ethane-1,2-diylbis[(methyl­imino)­methyl­ene]}diphenol

Date Published: June 01, 2011

Publisher: International Union of Crystallography

Author(s): Augusto Rivera, Jicli José Rojas, Jaime Ríos-Motta, Michal Dušek, Karla Fejfarová.


The asymmetric unit of the title compound, C18H22Br2N2O2, contains one half-mol­ecule that is related to the other half by a center of inversion located at the mid-point of the central C—C bond. The hy­droxy (phenolic) groups are linked to the N atoms by O—H⋯N hydrogen bonds, which generate S(6) rings.

Partial Text

For the synthesis, see: Rivera et al. (2010 ▶). For the uses of tetra­hydro­salens in coordination chemistry, see: Atwood (1997 ▶). For a related structure, see: Naza­renko et al. (2000 ▶). For reference bond lenghts, see: Allen et al. (1987 ▶).




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