6,8-Diiodo-5,7-dimethoxy-4-methylcoumarin

oleh: P. S. Pereira Silva, Mehtab Parveen, Zakia Khanam, Akhtar Ali, M. Ramos Silva

Format: Article
Diterbitkan: International Union of Crystallography 2010-04-01

Deskripsi

In the title compound, C12H10I2O4, the methoxy groups are twisted considerably with respect to the plane of the aromatic ring [CH3—O—C—C torsion angles = −85.9 (3) and −92.8 (3)°]. In the crystal, molecules are linked by weak C—H...O hydrogen bonds and O...I contacts [3.194 (2) Å].