Multi-step reaction with 6 steps
1.1: 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; [bis(acetoxy)iodo]benzene / dichloromethane / 0.5 h / Inert atmosphere
2.1: sodium dihydrogenphosphate; sodium chlorite; 2-methyl-but-2-ene; water / tert-butyl alcohol / 2 h / Inert atmosphere
3.1: 2,4,6-trichlorobenzoyl chloride; triethylamine / toluene / 0.75 h / 0 - 20 °C / Inert atmosphere
3.2: 6 h / 0 - 20 °C / Inert atmosphere
4.1: 2,3-dicyano-5,6-dichloro-p-benzoquinone / dichloromethane / 2 h / 0 - 20 °C / pH 7 / aq. phosphate buffer; Inert atmosphere
5.1: tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride / dichloromethane / 9 h / Reflux; Inert atmosphere
6.1: dmap; N-ethyl-N,N-diisopropylamine / dichloromethane / 24 h / 0 - 20 °C / Inert atmosphere
With
tricyclohexylphosphine[1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidine][benzylidene]ruthenium(II) dichloride; dmap; sodium chlorite; sodium dihydrogenphosphate; 2-methyl-but-2-ene; 2,2,6,6-Tetramethyl-1-piperidinyloxy free radical; [bis(acetoxy)iodo]benzene; 2,4,6-trichlorobenzoyl chloride; water; triethylamine; N-ethyl-N,N-diisopropylamine; 2,3-dicyano-5,6-dichloro-p-benzoquinone;
In
dichloromethane; toluene; tert-butyl alcohol;
2.1: Pinnick reaction;
DOI:10.1016/j.tetasy.2012.04.019