Cascade radical processes leading to polycycle constructions. The total synthesis of spongian-16-one
作者:Gerald Pattenden、Lee Roberts
DOI:10.1016/0040-4039(96)00740-x
日期:1996.6
A concise total synthesis of the marine sponge metabolite spongian-16-one 1, which features a novel cascade of three consecutive 6-endo-trig radical cyclisations from a polyene acyl radical intermediate as a key step, viz9 → 10, is described.