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organic compounds
The title compound, C15H12N4OS, was unexpectedly isolated from the reaction of N-[2-(1H-benzimidazol-2-ylthio)phenyl]thiourea with dicyclohexylcarbodiimide. The compound showed considerable anti-cancer activity in vitro. Benzimidazole and iminobenzothiazoline rings are coplanar via the hydrogen bonding between the N atom of the imino group of benzothiazole and the H-N bond of benzimidazole. The whole molecule has a planar structure.