Acta Cryst. (2006). E62, o1959-o1960  [ doi:10.1107/S1600536806013729 ]

A 2:1 cocrystal of 2,3-bis(4-bromophenyl)quinoxaline and 1,2-bis(4-bromophenyl)ethane-1,2-diol

L.-C. Rong, X.-Y. Li, C.-S. Yao, H.-Y. Wang and D.-Q. Shi

Abstract: The title compound, C₂₀H₁₂Br₂N₂·0.5C₁₄H₁₂Br₂O₂, was synthesized by the one-pot reaction of benzofurazan oxide and 1,2-bis(4-bromophenyl)ethane-1,2-dione induced by a low-valent titanium reagent. X-ray analysis reveals that the 1,2-bis(4-bromophenyl)ethane-1,2-diol molecule is located on an inversion centre. The molecules are linked via O-HN hydrogen bonds and C-H interactions.

Online 21 April 2006

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