(2) EE van Tamelen and V. Haarstad, ibid., 82, 2974 (1960). French and QR Bartz, J. Am. Chcm. Soc., 81, 5500 (1959). tarimide moiety, the structure of which has been firmly established,'and (b) the corresponding C-9 methyl ketones (Ib, IIb). Available data sup- porting the formulation of the C-9 moiety as in I, which is a modification of the original proposal of Frohardt, et d., l may be summarized as: ultraviolet and infrared data indicating ...
