Technology Process of 5'-O-(2-dansylethoxycarbonyl)-thymidine 3'-<2-(4-nitrophenyl)ethyl N,N-diethylphosphoramidite>
There total 8 articles about 5'-O-(2-dansylethoxycarbonyl)-thymidine 3'-<2-(4-nitrophenyl)ethyl N,N-diethylphosphoramidite> 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 3 steps
1: PCl3 / diethyl ether / 3 h / Ambient temperature
2: tetrahydrofuran / 1 h / 35 °C
3: 68 percent / (i-Pr)2EtN / CH2Cl2 / 1.5 h / Ambient temperature
With
N-ethyl-N,N-diisopropylamine; phosphorus trichloride;
In
tetrahydrofuran; diethyl ether; dichloromethane;
DOI:10.1002/hlca.19940770123
- Guidance literature:
-
Multi-step reaction with 7 steps
1: 90 percent / NaHCO3 / H2O / 0.5 h / 80 °C
2: 75 percent / PCl3 / 2 h / 60 °C
3: 85 percent / Na2SO3, 40percent NaOH / H2O / 2.5 h / Ambient temperature
4: 65 percent / NaOH / H2O; ethanol / 20 h / 80 °C
5: 91 percent / acetonitrile / 5 h
6: 80 percent / pyridine / 1 h
7: 68 percent / (i-Pr)2EtN / CH2Cl2 / 1.5 h / Ambient temperature
With
pyridine; sodium hydroxide; sodium hydrogencarbonate; N-ethyl-N,N-diisopropylamine; sodium sulfite; phosphorus trichloride;
In
ethanol; dichloromethane; water; acetonitrile;
DOI:10.1002/hlca.19940770123
- Guidance literature:
-
Multi-step reaction with 6 steps
1: 75 percent / PCl3 / 2 h / 60 °C
2: 85 percent / Na2SO3, 40percent NaOH / H2O / 2.5 h / Ambient temperature
3: 65 percent / NaOH / H2O; ethanol / 20 h / 80 °C
4: 91 percent / acetonitrile / 5 h
5: 80 percent / pyridine / 1 h
6: 68 percent / (i-Pr)2EtN / CH2Cl2 / 1.5 h / Ambient temperature
With
pyridine; sodium hydroxide; N-ethyl-N,N-diisopropylamine; sodium sulfite; phosphorus trichloride;
In
ethanol; dichloromethane; water; acetonitrile;
DOI:10.1002/hlca.19940770123