Technology Process of D-Proline,
5-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-4-(phenylmethoxy)-, ethyl
ester, (4S,5R)-
There total 7 articles about D-Proline,
5-[[[(1,1-dimethylethyl)dimethylsilyl]oxy]methyl]-4-(phenylmethoxy)-, ethyl
ester, (4S,5R)- 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:
-
Multi-step reaction with 5 steps
1: Na2CO3; hydrogen / palladium on carbon / ethyl acetate / 3 h / atmospheric pressure
2: pyridinium para-toluenesulfonate / ethanol / Heating
3: imidazole / CH2Cl2 / 20 °C
4: DIPEA; methanesulfonyl chloride / CH2Cl2 / 20 °C
5: trifluoroacetic acid / CH2Cl2 / 20 °C
With
1H-imidazole; hydrogen; pyridinium p-toluenesulfonate; sodium carbonate; methanesulfonyl chloride; N-ethyl-N,N-diisopropylamine; trifluoroacetic acid;
palladium on activated charcoal;
In
ethanol; dichloromethane; ethyl acetate;
DOI:10.1016/j.tetasy.2006.10.033
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: potassium tert-butoxide / CH2Cl2 / 0.5 h / cooling
1.2: CH2Cl2 / 5 h / 20 °C
2.1: Na2CO3; hydrogen / palladium on carbon / ethyl acetate / 3 h / atmospheric pressure
3.1: pyridinium para-toluenesulfonate / ethanol / Heating
4.1: imidazole / CH2Cl2 / 20 °C
5.1: DIPEA; methanesulfonyl chloride / CH2Cl2 / 20 °C
6.1: trifluoroacetic acid / CH2Cl2 / 20 °C
With
1H-imidazole; potassium tert-butylate; hydrogen; pyridinium p-toluenesulfonate; sodium carbonate; methanesulfonyl chloride; N-ethyl-N,N-diisopropylamine; trifluoroacetic acid;
palladium on activated charcoal;
In
ethanol; dichloromethane; ethyl acetate;
1.2: Wittig-Horner reaction;
DOI:10.1016/j.tetasy.2006.10.033