Technology Process of (3aS,4S,6R,6aR)-tert-butyl 4-(2-amino-6-oxo-1,6-dihydropyrimidin-5-yl)-6-((benzyloxy)methyl)-2,2-dimethyldihydro-3aH-[1,3]dioxolo[4,5-c]pyrrole-5(4H)-carboxylate
There total 16 articles about (3aS,4S,6R,6aR)-tert-butyl 4-(2-amino-6-oxo-1,6-dihydropyrimidin-5-yl)-6-((benzyloxy)methyl)-2,2-dimethyldihydro-3aH-[1,3]dioxolo[4,5-c]pyrrole-5(4H)-carboxylate 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:
-
guanidine hydrochloride;
With
sodium ethanolate;
In
ethanol;
at 20 ℃;
for 0.166667h;
(3aR,4R,6S,6aS)-tert-butyl 4-((benzyloxy)methyl)-6-((Z)-3-(tert-butoxy)-1-methoxy-3-oxoprop-1-en-2-yl)-2,2-dimethyldihydro-3aH-[1,3]dioxolo[4,5-c]pyrrole-5(4H)-carboxylate;
In
ethanol;
Reflux;
- Guidance literature:
-
Multi-step reaction with 11 steps
1.1: sodium tetrahydroborate; methanol / tetrahydrofuran / 22 h / -5 - 20 °C
2.1: pyridine; dmap / 4 h / 0 - 20 °C / Inert atmosphere
3.1: 48 h / 70 °C
4.1: hydrogen; palladium on activated charcoal / ethanol / 5 h / 4137.29 Torr
5.1: N-chloro-succinimide / toluene / 17 - 23 °C
5.2: 17 h / -5 - 5 °C
6.1: lithium diisopropyl amide / tetrahydrofuran / 0.33 h / -65 °C
6.2: 2 h / -65 - 20 °C
7.1: methanol / 20 °C
7.2: 19 h
8.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 2 h / 0 - 20 °C
9.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 1.33 h / 20 °C / Cooling with ice
9.2: 20 °C / Cooling with ice
10.1: N,N-dimethyl-formamide; mineral oil / 4.17 h / 20 °C / Cooling with ice
11.1: sodium ethanolate / ethanol / 0.17 h / 20 °C
11.2: Reflux
With
pyridine; methanol; dmap; sodium tetrahydroborate; N-chloro-succinimide; palladium on activated charcoal; hydrogen; sodium ethanolate; sodium hydride; lithium diisopropyl amide;
In
tetrahydrofuran; methanol; ethanol; N,N-dimethyl-formamide; toluene; mineral oil;
- Guidance literature:
-
Multi-step reaction with 12 steps
1.1: 1H-imidazole; dmap / N,N-dimethyl-formamide / 16 h / 0 - 20 °C / Inert atmosphere; Large scale
2.1: sodium tetrahydroborate; methanol / tetrahydrofuran / 22 h / -5 - 20 °C
3.1: pyridine; dmap / 4 h / 0 - 20 °C / Inert atmosphere
4.1: 48 h / 70 °C
5.1: hydrogen; palladium on activated charcoal / ethanol / 5 h / 4137.29 Torr
6.1: N-chloro-succinimide / toluene / 17 - 23 °C
6.2: 17 h / -5 - 5 °C
7.1: lithium diisopropyl amide / tetrahydrofuran / 0.33 h / -65 °C
7.2: 2 h / -65 - 20 °C
8.1: methanol / 20 °C
8.2: 19 h
9.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 2 h / 0 - 20 °C
10.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 1.33 h / 20 °C / Cooling with ice
10.2: 20 °C / Cooling with ice
11.1: N,N-dimethyl-formamide; mineral oil / 4.17 h / 20 °C / Cooling with ice
12.1: sodium ethanolate / ethanol / 0.17 h / 20 °C
12.2: Reflux
With
pyridine; 1H-imidazole; methanol; dmap; sodium tetrahydroborate; N-chloro-succinimide; palladium on activated charcoal; hydrogen; sodium ethanolate; sodium hydride; lithium diisopropyl amide;
In
tetrahydrofuran; methanol; ethanol; N,N-dimethyl-formamide; toluene; mineral oil;