S. Fujisawa, I. Oonishi, J. Aoki
Nov 1, 1985
Citations
0
Influential Citations
12
Citations
Journal
Bulletin of the Chemical Society of Japan
Abstract
An improved synthetic method gives pure 7H-dibenz[a,kl]anthracen-7-one, C21H12O, in a higher yield than those reported so far. The crystal structure has been determined by X-ray analysis. The space group is Pn21a, with unit cell dimensions of a=23.325(5), b=14.149(3), c=3.986(1) A, and Z=4. The structure was solved by the direct method and refined by the block-diagonal least-squares method to an R value of 0.044. The molecule is greatly distorted from the planar conformation because of an intramolecular steric repulsion between the hydrogen atoms.