Multi-step reaction with 10 steps
1.1: N,N-dimethyl-formamide dimethyl acetal / N,N-dimethyl-formamide / Inert atmosphere; Reflux
1.2: 1 h / 20 °C
2.1: dimethyl sulfoxide / Cooling with ice
3.1: phosphorus pentoxide; triethyl phosphate / tert-butyl methyl ether / 50 °C / Inert atmosphere; Reflux
4.1: chiral silica gel phase based on the selector poly(N-methacryloyl-D-leucinedicyclopropylmethylamide) / ethyl acetate; isopropyl alcohol; tetrahydrofuran; 2-Methylpentane / 24 °C / Resolution of racemate
5.1: morpholine / tetrakis(triphenylphosphine) palladium(0) / tetrahydrofuran / 1.5 h / 20 °C / Inert atmosphere
6.1: HATU / N,N-dimethyl-formamide / 0.33 h / 0 °C / Inert atmosphere
6.2: 4 h / 20 °C
7.1: Burgess Reagent / tetrahydrofuran / 1.5 h / 20 °C / Inert atmosphere
8.1: dmap; triethylamine / dichloromethane / 0.08 h / 20 °C
9.1: acetonitrile / 20 °C
10.1: hydrogenchloride / 1,4-dioxane / 1 h / 20 °C
With
morpholine; hydrogenchloride; dmap; Burgess Reagent; triethyl phosphate; phosphorus pentoxide; N,N-dimethyl-formamide dimethyl acetal; triethylamine; HATU;
tetrakis(triphenylphosphine) palladium(0);
In
tetrahydrofuran; 1,4-dioxane; 2-Methylpentane; dichloromethane; tert-butyl methyl ether; dimethyl sulfoxide; ethyl acetate; N,N-dimethyl-formamide; isopropyl alcohol; acetonitrile;