9-acetonyl-3-ethylidene-1,2,3,4-tetrahydrospiro[carbazole-1,2 '-[1,3]dithiolan]-4-one

Hokelek T., PATIR S., ULUDAG N.

ACTA CRYSTALLOGRAPHICA SECTION C-CRYSTAL STRUCTURE COMMUNICATIONS, vol.55, pp.114-116, 1999 (SCI-Expanded) identifier identifier


The title compound, C18H19NO2S2, consists Of a carbazole skeleton with a pentacyclic dithiolane ring spiro-bonded at position 1 and acetonyl and ethylidene chains at positions 9 and 3, respectively. The heteroatoms and the acetonyl and ethylidene chains in the molecule are responsible for the changes in the bond lengths and angles of the carbazole core.