... Volume: Page: ... ligand 3 bears a bridgehead phosphorus atom that is connected at the 2-position of 3-methylindole, thus reversing the overall pattern and synthetic methodology (Scheme 1 ... a Conditions: (i) n-BuLi, THF, −78 °C; CO 2 ; t-BuLi; ClPR 2 (R = Ph, i Pr). ...