Multi-step reaction with 6 steps
1: 1.)2-chloro-4,6-dimethoxy-1,3,5-triazine (CDMT), N-methylmorpholine (NMM), 2.) N-methylmorpholine (NMM) / 1.) CH2Cl2, 0 deg C, 3 h, 2.) CH2Cl2, RT, 12 h
2: trifluoroacetic acid (TFA) / CH2Cl2 / 2 h / Ambient temperature
3: 1.)2-chloro-4,6-dimethoxy-1,3,5-triazine (CDMT), N-methylmorpholine (NMM), 2.) N-methylmorpholine (NMM) / 1.) CH2Cl2, 0 deg C, 3 h, 2.) CH2Cl2, RT, 12 h
4: H2S, triethylamine (TEA) / pyridine / Ambient temperature
5: acetone / 50 °C
6: ammonium acetate / methanol / 70 °C
With
4-methyl-morpholine; ammonium acetate; 2-chloro-4,6-dimethoxy-1 ,3,5-triazine; hydrogen sulfide; triethylamine; trifluoroacetic acid;
In
pyridine; methanol; dichloromethane; acetone;
DOI:10.1021/jm00101a017