Acta Crystallographica Section E

Structure Reports Online

Volume 68, Part 1 (January 2012)


organic compounds



hg5152 scheme

Acta Cryst. (2012). E68, o103    [ doi:10.1107/S1600536811052731 ]

1-Benzyl-3-methyl-3',5'-diphenylspiro[quinoxaline-2(1H),2'(3'H)-1,3,4-thiadiazole]

C. A. Anothane, R. Bouhfid, E. M. Essassi and S. W. Ng

Abstract: In the title spiro compound, C29H24N4S, the quinoxaline and thiadiazole ring systems share a common C atom; their mean planes are aligned at 87.0 (1)° in one molecule and at 84.1 (1)° in the other independent molecule. The thiazole ring possesses two aromatic ring substituents and is roughly coplanar with these rings [the dihedral angles between the thiadiazole and phenyl rings are 10.7 (1) and 11.7 (1)° in one molecule, and 16.8 (1) and 17.7 (1)° in the other]. The aromatic ring of the benzyl unit of one molecule is disordered over two orientations in a 1:1 ratio.


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