Annulation of aromatic imines via directed C-H activation with Wilkinson's catalyst.
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Carbon↗
Biomedical subjects
R K Thalji
Publications and source records attributed to R K Thalji.
(Z)-3-benzylidene-1-ethynyl-1-phenyl-1,3-dihydroisobenzofuran.
The title compound, C23H16O, has two independent molecules in the asymmetric unit. The bond lengths and angles of the two molecules are identical. The conformation of the isobenzofuran ring systems of the molecules, however, differ slightly; in molecule A, the sp2-C atom of the five-membered ring deviates the greatest distance [0.034(2)A] from the benzo plane, while in molecule B, it is the sp3-C atom of the five-membered ring which has the greatest deviation [0.027(2)A] from the benzo plane.
Benzofurans↗
A diiodo-substituted 9-anthracenone.
The central ring of the anthrone system in 1,8-diiodo-10-hydroxy-10-(3-methylbut-3-en-1-ynyl)anthrac en-9(10H)-one, C19H12I2O2, has a boat conformation and the two outer rings form a dihedral angle of 41.1 (2) degrees. The I-C bond lengths are 2.094 (4) and 2.083 (4) A. The hydroxyl and carbonyl groups form an intermolecular hydrogen bond having an O...O distance of 2.853 (4) A.
Anthracenes↗