1. N. Finch andW. I. Taylor, J. Amer. chem. Soc.84, 1318, 3871 (1962).
2. N. Finch, C. W. Gemenden, I. H. Hsu, andW. I. Taylor, J. Amer. chem. Soc., in press.
3. N. Finch, C. W. Gemenden, I. H. Hsu, andW. I. Taylor, in preparation.
4. Such rearrangements are well known in model compounds and in two classes of non-tetrahydro-β-carboline alkaloids (inter alia,B. Witkop, Bull. Soc. Chim. France1954, 423.
5. M. F. Bartlett, D. F. Dickel, andW. I. Taylor, J. Amer. chem. Soc.80, 126 (1958).