Synthesis and structure of 9-methyl-1,10-di-hydro-pyrazolo-[3,4- a]carbazole
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The title carbazole derivative, C14H11N3, was prepared by reacting 1-hy-droxy-8-methyl-9H-carbazole-2-carbaldehyde with hydrazine hydrate. In the solid state, the fused-ring system is slightly puckered, the dihedral angle between the planes of the outer rings ... ...