Multi-step reaction with 6 steps
1: 1.) 12N HCl, 2.) Dowex50W-X4, H+ / 1.) dioxane, reflux, 6 h, 2.) H2O
2: 77 percent / Et3N / H2O; dioxane / 3 h / Ambient temperature
3: HOBt, Et3N, EDC*HCl / dimethylformamide / 1.) 0 deg C, 2 h, 2.) room temperature
4: H2 / palladium-black / methanol / 24 h / Ambient temperature
5: HOBt, EDC*HCl / dimethylformamide / 1.) 0 deg C, 2 h, 2.) room temperature
6: pyridinium trifluoroacetate, DCC / dimethylsulfoxide; benzene / 9 h / Ambient temperature
With
hydrogenchloride; Dowex50W-X4; hydrogen; pyridinium trifluroacetate; hydrogen cation; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; dicyclohexyl-carbodiimide;
palladium;
In
1,4-dioxane; methanol; water; dimethyl sulfoxide; N,N-dimethyl-formamide; benzene;
DOI:10.7164/antibiotics.49.900