Multi-step reaction with 6 steps
1: 92 percent / TFA / CH2Cl2 / 2 h / 0 °C
2: 92 percent / H2 / PtO2 / ethanol / 22501.8 Torr / Ambient temperature
3: 1.) cyanuric chloride, Et3N / 1.) acetone, RT, 3 h, 2.) CH2Cl2, RT, overnight
4: H2, HCl / 10percent Pd/C / ethanol
5: 50 percent / Et3N, HOBt / tetrahydrofuran; CHCl3 / a) 0 deg C, 1 h, b) RT, overnight
6: 83 percent / 1 N NaOH / methanol / 2 h / Ambient temperature
With
hydrogenchloride; sodium hydroxide; 1,3,5-trichloro-2,4,6-triazine; hydrogen; benzotriazol-1-ol; triethylamine; trifluoroacetic acid;
platinum(IV) oxide; palladium on activated charcoal;
In
tetrahydrofuran; methanol; ethanol; dichloromethane; chloroform;
DOI:10.1021/jm950783c