Multi-step reaction with 11 steps
1.1: trifluoroacetic acid / dichloromethane / 1 h / 20 °C
2.1: N-ethyl-N,N-diisopropylamine / dichloromethane / 0.33 h / 0 °C
2.2: 25 h / 0 - 20 °C
3.1: trifluoroacetic acid / dichloromethane / 1 h / 20 °C
4.1: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine / dichloromethane / 24 h / 0 - 20 °C
5.1: diethylamine / dichloromethane / 2 h / Cooling with ice
6.1: dmap; benzotriazol-1-ol; dicyclohexyl-carbodiimide / dichloromethane / 48 h / 20 °C
6.2: 48 h / 20 °C
7.1: trifluoroacetic acid / dichloromethane / 0.75 h / 20 °C
8.1: benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; N-ethyl-N,N-diisopropylamine / dichloromethane / 10 h / 20 °C
9.1: trifluoroacetic acid / dichloromethane / 1 h / 20 °C
10.1: sodium hydroxide / ethanol / 20 °C
10.2: pH 7
11.1: benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; benzotriazol-1-ol; N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 48 h / 20 °C
With
dmap; benzotriazol-1-yloxyl-tris-(pyrrolidino)-phosphonium hexafluorophosphate; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; diethylamine; N-ethyl-N,N-diisopropylamine; dicyclohexyl-carbodiimide; trifluoroacetic acid; sodium hydroxide;
In
ethanol; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/j.ejmech.2012.01.054