During a study of the abnormal dienone-phenol rearrangement
discovered by Marvell and Geiszler, Imel (1960) found that 4-oxo-3,3-dimethyl-3,4-dihydrophenanthrene rearranged slowly to a phenol
which was tentatively identified as 3,4-dimethyl-l-phenanthrol;
further evidence to support this assignment was deemed essential.
The recent work by Mallory on the photochemical conversion of
stilbenes to...