organic compounds
The central ring of the anthrone system in 1,8-diiodo-10-hydroxy-10-(3-methylbut-3-en-1-ynyl)-anthracen-9(10H)-one, C19H12I2O2, has a boat conformation and the two outer rings form a dihedral angle of 41.1 (2)°. The I—C bond lengths are 2.094 (4) and 2.083 (4) Å. The hydroxyl and carbonyl groups form an intermolecular hydrogen bond having an OO distance of 2.853 (4) Å.
Supporting information
Crystallographic Information File (CIF) | |
Structure factor file (CIF format) |
CCDC reference: 128952