Multi-step reaction with 7 steps
1.1: dmap; N-ethyl-N,N-diisopropylamine / ethyl acetate / 16 h / 5 - 20 °C
2.1: acetyl chloride; ethanol / ethyl acetate / 18 h / 10 - 20 °C
3.1: N-ethyl-N,N-diisopropylamine; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide / ethyl acetate; 1-methyl-pyrrolidin-2-one / 14.5 h / 4 - 20 °C
4.1: dmap / toluene / 2 h / 40 °C
5.1: 1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidene[2-(iso-propoxy)-5-(N,N-dimethylaminosulfonyl)phenyl]methylene ruthenium(II) dichloride / toluene / 4 h / 60 °C
5.2: filterol / 20 - 60 °C
6.1: trifluoroacetic acid / dichloromethane / 6 h / 40 °C / Industry scale
6.2: Industry scale
6.3: 6 h / Industry scale
7.1: N-ethyl-N,N-diisopropylamine; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide / ethyl acetate; 1-methyl-pyrrolidin-2-one / 14 h / 5 - 20 °C
With
dmap; ethanol; 2,4,6-tripropyl-1,3,5,2,4,6-trioxatriphosphinane-2,4,6-trioxide; N-ethyl-N,N-diisopropylamine; acetyl chloride; trifluoroacetic acid;
1,3-bis(2,4,6-trimethylphenyl)-4,5-dihydroimidazol-2-ylidene[2-(iso-propoxy)-5-(N,N-dimethylaminosulfonyl)phenyl]methylene ruthenium(II) dichloride;
In
1-methyl-pyrrolidin-2-one; dichloromethane; ethyl acetate; toluene;