Multi-step reaction with 7 steps
1.1: hydrogenchloride / 1,4-dioxane; ethanol / 22 h / 20 °C
1.2: 3 h
2.1: sodium methylate / methanol / 3 h / Reflux
2.2: 0 °C
3.1: trichlorophosphate; N,N-dimethyl-aniline / toluene / 3 h / Reflux
4.1: N-ethyl-N,N-diisopropylamine; 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone / 20 - 145 °C
5.1: hydrogen / palladium 10% on activated carbon / methanol / 3.17 h / 20 °C
6.1: triethylamine / dichloromethane / 0.5 h / 0 - 20 °C
7.1: sodium hydroxide / tetrahydrofuran; methanol / 1.5 h / Reflux
7.2: 0 °C / pH 6
With
hydrogenchloride; 1,3-dimethyl-3,4,5,6-tetrahydro-2(1H)-pyrimidinone; hydrogen; sodium methylate; N,N-dimethyl-aniline; triethylamine; N-ethyl-N,N-diisopropylamine; sodium hydroxide; trichlorophosphate;
palladium 10% on activated carbon;
In
tetrahydrofuran; 1,4-dioxane; methanol; ethanol; dichloromethane; toluene;