Multi-step reaction with 7 steps
1: 84 percent / 1-hydroxybenzotriazol hydrate, triethylamine, DCC / dimethylformamide / 1) 2.5h, 0 deg C, 2) 17h, RT
2: 94 percent / 25percent HBr/acetic acid / 0.58 h / 30 °C
3: 83 percent / triethylamine / dioxane / 1)3h, Et3N, 2) 25h, RT, 1n HCl
4: 97 percent / 1n NaOH, H2O / dioxane / 3 h / Ambient temperature
5: 86 percent / N-methylmorpholine, isobutyl chlorocarbonate, triethylamine / dimethylformamide / 1) 1h, 0 deg C, 2) 4h, RT
6: 93 percent / N2 / palladium black / 1 h / Ambient temperature
7: 1) 6.1n HCl, isoamyl nitrite, 2) triethylamine / 1) -30deg C, THF, 30 min; 2) -45deg C, DMF, 15h between -5deg C to 0deg C
With
4-methyl-morpholine; hydrogenchloride; sodium hydroxide; nitrogen; water; hydrogen bromide; acetic acid; 1-hydroxybenzotriazol-hydrate; triethylamine; dicyclohexyl-carbodiimide; isobutyl chloroformate; isopentyl nitrite;
palladium;
In
1,4-dioxane; N,N-dimethyl-formamide;