Synthesis and structure of (Z)-8-methyl-2-(8-methyl-2,3,4,9-tetra-hydro-carbazol-1-yl-idene)-2,3,4,9-tetra-hydro-carbazol-1-one
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In the title compound, C26H24N2O, the dihedral angle between the indole fused ring units is 36.37 (5)° and an intra-molecular N-H⋯O hydrogen bond closes an S(7) ring. In the extended structure, inversion dimers linked by pairwise N-H⋯O hydrogen bonds genera... ...