Technology Process of (2S,3S)-3-(tert-butyl-dimethyl-silanyloxy)-2-phenyl-piperidine
There total 9 articles about (2S,3S)-3-(tert-butyl-dimethyl-silanyloxy)-2-phenyl-piperidine which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
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Multi-step reaction with 10 steps
1: 89 percent / (2S,3S)-(-)-diisopropyl tartrate; activated molecular sieves 4 Angstroem; TBHP / Ti(Oi-Pr)4 / CH2Cl2 / 3.5 h / -20 °C
2: 98 percent / NaN3; NH4Cl; H2O / methanol / 5 h / 65 °C
3: pyridine / CH2Cl2 / 0 - 20 °C
4: triethylamine; 4-(dimethylamino)pyridine / CH2Cl2 / 1 h / 20 °C
5: 5.08 g / K2CO3 / methanol / 20 °C
6: 65 percent / TiCl4 / CH2Cl2 / 1.5 h / -78 °C
7: 95 percent / 2,6-lutidine / CH2Cl2 / 1 h / 0 °C
8: 2,6-lutidine; OsO4; NaIO4 / dioxane; H2O; toluene / 3 h / 25 °C
9: triphenylphosphine / tetrahydrofuran / 16 h / 20 °C
10: 0.86 g / NaBH4 / methanol; tetrahydrofuran / 0.5 h / 0 °C
With
pyridine; 2,6-dimethylpyridine; tert.-butylhydroperoxide; dmap; sodium tetrahydroborate; sodium periodate; osmium(VIII) oxide; sodium azide; 4 A molecular sieve; water; titanium tetrachloride; potassium carbonate; ammonium chloride; triethylamine; triphenylphosphine;
titanium(IV) isopropylate;
In
tetrahydrofuran; 1,4-dioxane; methanol; dichloromethane; water; toluene;
1: Sharpless asymmetric epoxidation;
DOI:10.1016/j.tetasy.2007.04.006
- Guidance literature:
-
Multi-step reaction with 7 steps
1: triethylamine; 4-(dimethylamino)pyridine / CH2Cl2 / 1 h / 20 °C
2: 5.08 g / K2CO3 / methanol / 20 °C
3: 65 percent / TiCl4 / CH2Cl2 / 1.5 h / -78 °C
4: 95 percent / 2,6-lutidine / CH2Cl2 / 1 h / 0 °C
5: 2,6-lutidine; OsO4; NaIO4 / dioxane; H2O; toluene / 3 h / 25 °C
6: triphenylphosphine / tetrahydrofuran / 16 h / 20 °C
7: 0.86 g / NaBH4 / methanol; tetrahydrofuran / 0.5 h / 0 °C
With
2,6-dimethylpyridine; dmap; sodium tetrahydroborate; sodium periodate; osmium(VIII) oxide; titanium tetrachloride; potassium carbonate; triethylamine; triphenylphosphine;
In
tetrahydrofuran; 1,4-dioxane; methanol; dichloromethane; water; toluene;
DOI:10.1016/j.tetasy.2007.04.006