Ring-Closing Metathesis · A Ruthenium Carbene Stitches a Ring
unseel.com · diene → ring + CH₂=CH₂ · Nobel 2005
Ru carbene Ru=CHPh
Ethylene lost 0
Stage diene + catalyst
Ruthenium (Ru)
Substrate chain / ring
Alkene carbons (=CH₂)
Metallacyclobutane
Ethylene expelled
Unseel.com · Ring-Closing Metathesis