(untitled) - Nicolaou, K C; Hwang, C.-K; Duggan, M E; Nugiel, D A; Abe, Y; Bal Reddy, K; DeFrees, S A; Reddy, D R; Awartani, R A; Conley, S R; Rutjes, F P. J. T; Theodorakis, E A (J. Am. Chem. Soc., 1995)