Multi-step reaction with 11 steps
1: CH2Cl2 / 18 h / Ambient temperature
2: 13.2 g / monoperoxyphthalic acid magnesium salt hexahydrate / methanol / 48 h
3: 55 percent / Na, ethanol
4: Na / ethanol / 2.55 h / 50 °C
5: 1.) 1M LiOH / 1.) DME, 12 h, 2.) toluene, reflux, 18 h
6: 100 percent / aq. LiOH / 1,2-dimethoxy-ethane / 3 h
7: 100 percent / imidazole / dimethylformamide / 0.07 h
8: 1-hydroxybenzotriazole hydrate, dimethyl-3-<3-(dimethylamino)propyl>carbodiimide hydrochloride, N-methylmorpholine / dimethylformamide / 17 h
9: tetra-n-butylammonium fluoride / tetrahydrofuran / 20 h
10: 100 percent / H2 / 10percent Pd/C / tetrahydrofuran; methanol / 96 h
11: 99 percent / Cs2CO3 / dioxane / 4 h / 80 °C
With
4-methyl-morpholine; 1H-imidazole; lithium hydroxide; ethanol; dimethyl-3-<3-(dimethylamino)propyl>carbodiimide hydrochloride; tetrabutyl ammonium fluoride; hydrogen; sodium; caesium carbonate; 1-hydroxybenzotriazol-hydrate; Monoperoxyphthalic acid, magnesium salt;
palladium on activated charcoal;
In
tetrahydrofuran; 1,4-dioxane; methanol; 1,2-dimethoxyethane; ethanol; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1021/jm00088a003