Technology Process of (S)-3-[4-(2-Amino-ethoxy)-3-nitro-benzoylamino]-2-benzenesulfonylamino-propionic acid benzyl ester
There total 10 articles about (S)-3-[4-(2-Amino-ethoxy)-3-nitro-benzoylamino]-2-benzenesulfonylamino-propionic 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: 98 percent / toluene / 8 h / 80 °C
2: 73 percent / molecular sieves 4A / Bu4NF / dimethylformamide / 4 h / 25 °C
3: 99 percent / LiOH*H2O / H2O; dioxane / 4 h / 25 °C
4: 82 percent / DCC / 4-DMAP / CH2Cl2 / 4 h / 25 °C
5: 84 percent / CF3CO2H / CH2Cl2 / 2 h / 25 °C / Acid hydrolysis
6: 78 percent / i-Pr2NEt / CH2Cl2 / 4 h / 25 °C
7: Ph3P; H2O / tetrahydrofuran / 12 h / 25 °C
With
lithium hydroxide; 4 A molecular sieve; water; N-ethyl-N,N-diisopropylamine; dicyclohexyl-carbodiimide; triphenylphosphine; trifluoroacetic acid;
dmap; tetrabutyl ammonium fluoride;
In
tetrahydrofuran; 1,4-dioxane; dichloromethane; water; N,N-dimethyl-formamide; toluene;
1: Esterification / 2: Substitution / 3: Hydrolysis / 4: Substitution / 5: Hydrolysis / 6: Substitution / 7: Reduction;
DOI:10.1016/S0968-0896(98)00090-X
- Guidance literature:
-
Multi-step reaction with 5 steps
1: 41 percent / PhI(OCOCF3)2; pyridine / dimethylformamide; H2O / 3.5 h / 25 °C
2: 82 percent / DCC / 4-DMAP / CH2Cl2 / 4 h / 25 °C
3: 84 percent / CF3CO2H / CH2Cl2 / 2 h / 25 °C / Acid hydrolysis
4: 78 percent / i-Pr2NEt / CH2Cl2 / 4 h / 25 °C
5: Ph3P; H2O / tetrahydrofuran / 12 h / 25 °C
With
pyridine; water; N-ethyl-N,N-diisopropylamine; dicyclohexyl-carbodiimide; triphenylphosphine; trifluoroacetic acid; bis-[(trifluoroacetoxy)iodo]benzene;
dmap;
In
tetrahydrofuran; dichloromethane; water; N,N-dimethyl-formamide;
1: Reduction / 2: Substitution / 3: Hydrolysis / 4: Substitution / 5: Reduction;
DOI:10.1016/S0968-0896(98)00090-X
- Guidance literature:
-
Multi-step reaction with 6 steps
1: 73 percent / molecular sieves 4A / Bu4NF / dimethylformamide / 4 h / 25 °C
2: 99 percent / LiOH*H2O / H2O; dioxane / 4 h / 25 °C
3: 82 percent / DCC / 4-DMAP / CH2Cl2 / 4 h / 25 °C
4: 84 percent / CF3CO2H / CH2Cl2 / 2 h / 25 °C / Acid hydrolysis
5: 78 percent / i-Pr2NEt / CH2Cl2 / 4 h / 25 °C
6: Ph3P; H2O / tetrahydrofuran / 12 h / 25 °C
With
lithium hydroxide; 4 A molecular sieve; water; N-ethyl-N,N-diisopropylamine; dicyclohexyl-carbodiimide; triphenylphosphine; trifluoroacetic acid;
dmap; tetrabutyl ammonium fluoride;
In
tetrahydrofuran; 1,4-dioxane; dichloromethane; water; N,N-dimethyl-formamide;
1: Substitution / 2: Hydrolysis / 3: Substitution / 4: Hydrolysis / 5: Substitution / 6: Reduction;
DOI:10.1016/S0968-0896(98)00090-X