Technology Process of (2R,3R,4S)-2-[3-(2-{2-[2-((S)-2-Amino-3-methyl-butyrylamino)-ethoxy]-ethoxy}-ethoxy)-benzylamino]-4-tert-butoxycarbonylamino-3-hydroxy-5-phenyl-pentanoic acid
There total 8 articles about (2R,3R,4S)-2-[3-(2-{2-[2-((S)-2-Amino-3-methyl-butyrylamino)-ethoxy]-ethoxy}-ethoxy)-benzylamino]-4-tert-butoxycarbonylamino-3-hydroxy-5-phenyl-pentanoic acid 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: 1-hydroxybenzotriazole, N-ethyl-N'-(3-(dimethylamino)propyl)carbodiimide hydrochloride / dimethylformamide / 24 h / Ambient temperature
2: pyridine / CH2Cl2 / 12 h / 0 - 20 °C
3: K2CO3, tetrabutylammonium iodide / dimethylsulfoxide / 4 h / 70 °C
4: hydroxyammonium chloride, aq. AcONa / ethanol / 1.5 h / 60 °C
5: formic acid, H2 / 10percent Pd/C / methanol / 3 h / 760 Torr
6: ethanol / 24 h / 80 °C
7: 0.4 M aq. LiOH / dioxane / 16 h / Ambient temperature
With
pyridine; lithium hydroxide; formic acid; hydroxylamine hydrochloride; hydrogen; sodium acetate; tetra-(n-butyl)ammonium iodide; potassium carbonate; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride;
palladium on activated charcoal;
In
1,4-dioxane; methanol; ethanol; dichloromethane; dimethyl sulfoxide; N,N-dimethyl-formamide;
DOI:10.1021/jm950641i
- Guidance literature:
-
Multi-step reaction with 7 steps
1: 1-hydroxybenzotriazole, N-ethyl-N'-(3-(dimethylamino)propyl)carbodiimide hydrochloride / dimethylformamide / 24 h / Ambient temperature
2: pyridine / CH2Cl2 / 12 h / 0 - 20 °C
3: K2CO3, tetrabutylammonium iodide / dimethylsulfoxide / 4 h / 70 °C
4: hydroxyammonium chloride, aq. AcONa / ethanol / 1.5 h / 60 °C
5: formic acid, H2 / 10percent Pd/C / methanol / 3 h / 760 Torr
6: ethanol / 24 h / 80 °C
7: 0.4 M aq. LiOH / dioxane / 16 h / Ambient temperature
With
pyridine; lithium hydroxide; formic acid; hydroxylamine hydrochloride; hydrogen; sodium acetate; tetra-(n-butyl)ammonium iodide; potassium carbonate; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride;
palladium on activated charcoal;
In
1,4-dioxane; methanol; ethanol; dichloromethane; dimethyl sulfoxide; N,N-dimethyl-formamide;
DOI:10.1021/jm950641i
- Guidance literature:
-
Multi-step reaction with 6 steps
1: pyridine / CH2Cl2 / 12 h / 0 - 20 °C
2: K2CO3, tetrabutylammonium iodide / dimethylsulfoxide / 4 h / 70 °C
3: hydroxyammonium chloride, aq. AcONa / ethanol / 1.5 h / 60 °C
4: formic acid, H2 / 10percent Pd/C / methanol / 3 h / 760 Torr
5: ethanol / 24 h / 80 °C
6: 0.4 M aq. LiOH / dioxane / 16 h / Ambient temperature
With
pyridine; lithium hydroxide; formic acid; hydroxylamine hydrochloride; hydrogen; sodium acetate; tetra-(n-butyl)ammonium iodide; potassium carbonate;
palladium on activated charcoal;
In
1,4-dioxane; methanol; ethanol; dichloromethane; dimethyl sulfoxide;
DOI:10.1021/jm950641i