... This outcome is evaluated further in a companion paper appearing later in this journal. ... C, 4 h; (c) TIPSTfl, DIPEA, THF, 0 °C, 69% over two steps; (d) NBS, CHCl 3 , 0 °C, 93%; (e) pentane, −45 ... from 46; (h) n-BuLi, THF, −100 °C; (i) TPAP, NMO, CH 2 Cl 2 , 0 → 25 °C; (j) NaClO 2 ...