3,3-Ethyl­Enedithio-3,3A,4,5,10,10B-Hexa­Hydro-2H-Furo[2,3-A]Carbazole

Abstract

The title compound, C16H17NOS2, consists of a carbazole skeleton with tetra­hydro­furan and dithiol­ane rings. In the indole ring system, the benzene and pyrrole rings are nearly coplanar, forming a dihedral angle of 1.57 (15)°. The cyclo­hexenone and tetra­hydro­furan rings have envelope conformations, while the dithiol­ane ring adopts a twist conformation. In the crystal structure, pairs of weak inter­molecular N—H⋯S hydrogen bonds link the mol­ecules into centrosymmetric dimers with R 2 2(16) ring motifs. Weak C—H⋯π inter­actions may further stabilize the structure.