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2,8-Dimethoxy-4,10-dimethyl-1,3,7,9-tetranitro-6H,12H-5,11-methanodibenzo [b,f][1,5]diazocine

Acta Cryst. (2007). E63, o4393 [doi:10.1107/S1600536807050945)]

Tröger’s base is a chiral, C2-symmetric compound with a V-shaped geometry. Analogues of the compound are of interest in areas such as molecular recognition and asymmetric catalysis; however, applications have been limited by the type of substituents (generally electron-donating) that could be incorporated on the aryl rings. In this study the structure determination of a tetranitro analogue is reported, in which the dihedral angle between the two aromatic rings is 103.64 (5)°. The crystal chosen for analysis crystallised in enantiopure form from a racemic mixture.
M.D.H. Bhuiyan, P. Jensen and A.C. Try