Fig. 1: Current state and our study for unstrained Si−C(sp3) bond activiation by transition metal insertion.
From: Sila-spirocyclization involving unstrained C(sp3)−Si bond cleavage

A Two general activation modes for C–Si bond cleavage in transition metal catalysis. B Literatures and our proposal on unstrained C(sp3)-Si activation by transition metal insertion. C Our work and possible challenges on Pd-catalyzed sila-spirocyclization involving C(sp3)‒Si bond activation via the insertion of a Pd−C(sp3) species.