Screening of various acceptor/donor diazo compounds and silanes for the insertion reaction into Si–H bonds^a.

^aReaction conditions: diazo compound (0.25 mmol), Fe(OTf)₂ (5 mol%), silane (1.25 mmol), DMC (2 ml), individual reaction time (see ESI).

^b10 equiv. of Et₃SiH were used.

^c25 mg of 4 Å MS were used.

^dReaction was conducted at rt.³⁰

^eYield calculated by ¹H NMR.