I.(9)(a) Patrick, JB; Williams, RP; Meyer, WE; Fulmor, W.; Cosulich, DB; Broschard, RW; Webb, JSJ Am. Chem. Soc. 1964.86, 1889.(b) A similar result was realized by Professor WA Remers who provided us with a report of previous syntheses of mitosenes and their biological evaluation.