Technology Process of 1-Piperidinecarboxylic acid,
3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-phenyl-, 1,1-dimethylethyl
ester, (2S,3S)-
There total 20 articles about 1-Piperidinecarboxylic acid,
3-[[(1,1-dimethylethyl)dimethylsilyl]oxy]-2-phenyl-, 1,1-dimethylethyl
ester, (2S,3S)- which
guide to synthetic route it.
The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:
synthetic route:
- Guidance literature:
-
tert-butyl (1S,2S)-2-(tert-butyldimethylsilyloxy)-5-hydroxy-1-phenylpentylcarbamate;
With
methanesulfonyl chloride; triethylamine;
In
dichloromethane;
at -78 ℃;
for 3h;
With
potassium tert-butylate;
In
tetrahydrofuran;
at 0 - 20 ℃;
DOI:10.1021/ol0528235
- Guidance literature:
-
Multi-step reaction with 11 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
11: 95 percent / triethylamine / CH2Cl2 / 0 - 20 °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