16-Oxa-penta-cyclo-[6.6.5.0(1,18).0(2,7).0(9,14)]nona-deca-2,4,6,9,11,13,18-heptaen-15-one.
In the title compound, C18H12O2, the benzene rings are inclined to one another by 66.79 (7)°. The five-membered ring is almost planar with a maximum deviation of 0.014 (1) Å. In the crystal, the mol-ecules are linked by pairs of weak C-H⋯O interactions into centrosymmetric dimers. These dimers are linked by C-H⋯π interactions, forming a three-dimensional structure.
Department of Applied Chemistry, Cochin University of Science and Technology, Kochi 682022, India.
Eason M
EM
Mathew
Department of Chemistry, Faculty of Science, Eastern University, Chenkalady, Sri Lanka.
M
M
Sithambaresan
Department of Applied Chemistry, Cochin University of Science and Technology, Kochi 682022, India.
P A
PA
Unnikrishnan
Department of Applied Chemistry, Cochin University of Science and Technology, Kochi 682022, India.
M R Prathapachandra
MR
Kurup