Routes to optically active electron-rich olefins (L*2 and some derived carbenemetal complexes; x-ray structures of [Co(CO)(L*)(NO(PPh3)] and cis-[Rh(Cl)(COD)(L′*)][L*= (S)-Me,
Routes to optically active electron-rich olefins (L*2 and some derived carbenemetal complexes; x-ray structures of [Co(CO)(L*)(NO(PPh3)] and cis-[Rh(Cl)(COD)(L′*)][L*= (S)-Me,