Multi-step reaction with 5 steps
1.1: 1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidine / tetrahydrofuran / 3 h / 20 °C
2.1: borane-THF / tetrahydrofuran / 0 - 50 °C / Inert atmosphere
2.2: 20 °C / Inert atmosphere
2.3: pH 14
3.1: trifluoroacetic acid / dichloromethane / 20 - 40 °C
4.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 2.08 h / 20 °C / Cooling
5.1: potassium phosphate / chloro(di-2-norbornylphosphino)(2'-dimethylamino-1,1'-biphenyl-2-yl)palladium(II) / 1,4-dioxane; water / 1.5 h / 160 °C / Microwave irradiation
With
potassium phosphate; borane-THF; 1,3,4,6,7,8-hexahydro-2H-pyrimido[1,2-a]pyrimidine; sodium hydride; trifluoroacetic acid;
chloro(di-2-norbornylphosphino)(2'-dimethylamino-1,1'-biphenyl-2-yl)palladium(II);
In
tetrahydrofuran; 1,4-dioxane; dichloromethane; water; N,N-dimethyl-formamide; mineral oil;