Technology Process of ((S)-1-{(S)-1-[1-Benzylcarbamoyl-1-(2-hydroxy-ethyl)-butylcarbamoyl]-2-dimethylcarbamoyl-ethylcarbamoyl}-2,2-dimethyl-propyl)-carbamic acid benzyl ester
There total 9 articles about ((S)-1-{(S)-1-[1-Benzylcarbamoyl-1-(2-hydroxy-ethyl)-butylcarbamoyl]-2-dimethylcarbamoyl-ethylcarbamoyl}-2,2-dimethyl-propyl)-carbamic acid benzyl ester 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 7 steps
1: 90 percent / 2-phenylbenzoxazole; ethyldiisopropylamine / CH2Cl2 / 0 °C
2: 1.22 g / lithium hydroxide / tetrahydrofuran; H2O / 0 °C
3: 1.63 g / imidazole / CH2Cl2 / 0 °C
4: 1.55 g / 1-hydroxy-1H-benzotriazole; 1-[3-(dimethylamino)propyl]-3-ethylcarbodiimide HCl; triethylamine / CH2Cl2 / 0 °C
5: 100 percent / H2 / Pd-C / methanol / 20 °C
6: 87 percent / 1-hydroxy-1H-benzotriazole; 1-[3-(dimethylamino)propyl]-3-ethylcarbodiimide HCl; triethylamine / CH2Cl2 / 0 °C
7: 90 percent / tetra-n-butylammonium fluoride / tetrahydrofuran / 2 h / 20 °C
With
1H-imidazole; lithium hydroxide; 2-phenylbenzo[d]oxazole; tetrabutyl ammonium fluoride; hydrogen; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; N-ethyl-N,N-diisopropylamine;
palladium on activated charcoal;
In
tetrahydrofuran; methanol; dichloromethane; water;
DOI:10.1016/j.bmc.2005.08.019
- Guidance literature:
-
Multi-step reaction with 8 steps
1: 2.4 g / hydrochloric acid / 16 h / Heating
2: 90 percent / 2-phenylbenzoxazole; ethyldiisopropylamine / CH2Cl2 / 0 °C
3: 1.22 g / lithium hydroxide / tetrahydrofuran; H2O / 0 °C
4: 1.63 g / imidazole / CH2Cl2 / 0 °C
5: 1.55 g / 1-hydroxy-1H-benzotriazole; 1-[3-(dimethylamino)propyl]-3-ethylcarbodiimide HCl; triethylamine / CH2Cl2 / 0 °C
6: 100 percent / H2 / Pd-C / methanol / 20 °C
7: 87 percent / 1-hydroxy-1H-benzotriazole; 1-[3-(dimethylamino)propyl]-3-ethylcarbodiimide HCl; triethylamine / CH2Cl2 / 0 °C
8: 90 percent / tetra-n-butylammonium fluoride / tetrahydrofuran / 2 h / 20 °C
With
1H-imidazole; hydrogenchloride; lithium hydroxide; 2-phenylbenzo[d]oxazole; tetrabutyl ammonium fluoride; hydrogen; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; N-ethyl-N,N-diisopropylamine;
palladium on activated charcoal;
In
tetrahydrofuran; methanol; dichloromethane; water;
DOI:10.1016/j.bmc.2005.08.019
- Guidance literature:
-
Multi-step reaction with 9 steps
1: H2 / Pd-C / methanol / 14 h / 20 °C
2: 2.4 g / hydrochloric acid / 16 h / Heating
3: 90 percent / 2-phenylbenzoxazole; ethyldiisopropylamine / CH2Cl2 / 0 °C
4: 1.22 g / lithium hydroxide / tetrahydrofuran; H2O / 0 °C
5: 1.63 g / imidazole / CH2Cl2 / 0 °C
6: 1.55 g / 1-hydroxy-1H-benzotriazole; 1-[3-(dimethylamino)propyl]-3-ethylcarbodiimide HCl; triethylamine / CH2Cl2 / 0 °C
7: 100 percent / H2 / Pd-C / methanol / 20 °C
8: 87 percent / 1-hydroxy-1H-benzotriazole; 1-[3-(dimethylamino)propyl]-3-ethylcarbodiimide HCl; triethylamine / CH2Cl2 / 0 °C
9: 90 percent / tetra-n-butylammonium fluoride / tetrahydrofuran / 2 h / 20 °C
With
1H-imidazole; hydrogenchloride; lithium hydroxide; 2-phenylbenzo[d]oxazole; tetrabutyl ammonium fluoride; hydrogen; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; N-ethyl-N,N-diisopropylamine;
palladium on activated charcoal;
In
tetrahydrofuran; methanol; dichloromethane; water;
DOI:10.1016/j.bmc.2005.08.019