Multi-step reaction with 6 steps
1.1: 67 percent / NaOH / dimethylformamide; H2O / 30 h / 0 - 20 °C
2.1: 2-chloro-4,6-dimethoxy-1,3,5-triazine; N-methylmorpholine / tetrahydrofuran / 0 °C
2.2: 85 percent / N-methylmorpholine / dimethylformamide; tetrahydrofuran / 20 h / 0 - 20 °C
3.1: 80 percent / trifluoroacetic acid; triisopropylsilane / CH2Cl2 / 8 h / 20 °C
4.1: 96 percent / Na2CO3 / acetonitrile / 20 °C
5.1: 81 percent / NH3 / methanol / 6 h / 20 °C
6.1: 2-chloro-4,6-dimethoxy-1,3,5-triazine; N-methylmorpholine / tetrahydrofuran / 12 h / 0 °C
6.2: 78 percent / N-methylmorpholine / tetrahydrofuran; dimethylformamide / 20 h / 0 - 20 °C
With
4-methyl-morpholine; sodium hydroxide; 2-chloro-4,6-dimethoxy-1 ,3,5-triazine; chlorotriisopropylsilane; ammonia; sodium carbonate; trifluoroacetic acid;
In
tetrahydrofuran; methanol; dichloromethane; water; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1016/j.bmcl.2007.02.028