Multi-step reaction with 8 steps
1: 76 percent / H2O2, LiOH*H2O / H2O; tetrahydrofuran / 1 h / 0 °C
2: 65 percent / aq. HCl / acetic acid / 48 h / Heating
3: 86 percent / benzene / 9 h / Heating
4: 91 percent / 1-hydroxy-1H-benzotriazole, N-methylmorpholine, 1-<3-(dimethylamino)propyl>-3-ethylcarbodiimide / tetrahydrofuran / 1h, 0 deg C; 18 h, r.t.
5: HCl / dioxane / 2 h / 20 °C
6: 74 percent / 1-hydroxy-1H-benzotriazole, N-methylmorpholine, 1-<3-(dimethylamino)propyl>-3-ethylcarbodiimide / tetrahydrofuran / 1h, 0 deg C; 18 h, r.t.
7: 99 percent / H2 / Pd/C / methanol / 18 h
8: 69 percent / 1-hydroxy-1H-benzotriazole, N-methylmorpholine, 1-<3-(dimethylamino)propyl>-3-ethylcarbodiimide / tetrahydrofuran / 1h, 0 deg C; 18 h, r.t.
With
4-methyl-morpholine; hydrogenchloride; lithium hydroxide; hydrogen; dihydrogen peroxide; benzotriazol-1-ol; N-(3-dimethylaminopropyl)-N-ethylcarbodiimide;
palladium on activated charcoal;
In
tetrahydrofuran; 1,4-dioxane; methanol; water; acetic acid; benzene;
DOI:10.1002/hlca.19980810513