1978 年 98 巻 2 号 p. 242-244
Conformation of the ketyl radical of 10, 11-dihydro-5H-dibenzo [a, d] cyclohepten-5-one (heptenone), produced by reduction with calcium amalgam, was evaluated from ESR hfs and MO calculations based on McLachlan's method. The rotational angle about the C-C bond connecting the aromatic group and carbonyl group was found to be 18-26°.