Sigma-Bond Metathesis · C–H Activation Without Changing Oxidation State
unseel.com · d⁰ metal · [2σ+2σ] · kite TS
metal Cp*₂Sc(III)
TS four-centered
k_H/k_D
step
d⁰ metal (Sc/Lu)
M–CH₃ (existing σ)
H–CH₃ (incoming σ)
bridging β-H
Unseel.com · Sigma-Bond Metathesis Unseel.com · Sigma-Bond Metathesis — Concepts