ArticleActa crystallographica. Section E, Structure reports online2012
2-Cyano-3-(2,3,6,7-tetra-hydro-1H,5H-benzo[ij]quinolizin-9-yl)prop-2-enoic acid dimethyl sulfoxide monosolvate.
Article in Acta crystallographica. Section E, Structure reports online, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
In dimethyl sulfoxide solvated 9-(2-carb-oxy-2-cyano-vin-yl)julolidine, C(16)H(16)N(2)O(2)·C(2)H(6)OS, the essentially planar -CH=(CN)-CO(2)H substituent (r.m.s. deviation = 0.014 Å) is almost coplanar with respect to the benzene ring, the dihedral angle between the two planes being 0.48 (2)°. The conformations of the fused, non-aromatic rings were found to be half-chair. In the crystal, the acid molecule forms a hydrogen bond to the O atom of the solvent mol-ecule. The acid mol-ecule is disordered over two positions with respect to the methyl-ene C atoms in a 1:1 ratio. The crystal studied was found to be a racemic twin.
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