Multi-step reaction with 6 steps
1.1: tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride / dichloromethane / Inert atmosphere; Reflux
2.1: dmap; triethylamine / dichloromethane / 0 - 20 °C / Inert atmosphere
3.1: trifluoroacetic acid / water / 0 - 20 °C
4.1: dmap; triethylamine / dichloromethane / 0 - 20 °C / Inert atmosphere
5.1: palladium on carbon; hydrogen / methanol / 21 h
6.1: ammonium sulfate; 1,1,1,3,3,3-hexamethyl-disilazane / Inert atmosphere; Reflux
6.2: 1 h / 20 °C / Inert atmosphere
With
tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride; dmap; ammonium sulfate; palladium on carbon; hydrogen; triethylamine; 1,1,1,3,3,3-hexamethyl-disilazane; trifluoroacetic acid;
In
methanol; dichloromethane; water;
DOI:10.1021/jo200033p