Technology Process of tert-butyl ((4aS,5S,7aS)-7a-(5-amino-2-fluorophenyl)-3-ethyl-4-oxo-5-(trifluoromethyl)-3,4,4a,5,7,7a-hexahydrofuro[3,4-d]pyrimidin-2-yl)carbamate
There total 18 articles about tert-butyl ((4aS,5S,7aS)-7a-(5-amino-2-fluorophenyl)-3-ethyl-4-oxo-5-(trifluoromethyl)-3,4,4a,5,7,7a-hexahydrofuro[3,4-d]pyrimidin-2-yl)carbamate 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:
-
With
(benzotriazol-1-yloxy)tripyrrolidinophosphonium hexafluorophosphate; N-ethyl-N,N-diisopropylamine;
In
dichloromethane;
at 20 ℃;
for 16h;
Inert atmosphere;
- Guidance literature:
-
Multi-step reaction with 9 steps
1: hydroquinone / xylenes / 22 h / 140 °C
2: zinc; acetic acid / 0 - 20 °C
3: chromium(VI) oxide; sulfuric acid / water; acetone / 72 h / 20 °C
4: sulfuric acid / 20 °C / Inert atmosphere; Reflux
5: N-ethyl-N,N-diisopropylamine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / N,N-dimethyl-formamide / 20 - 50 °C / Inert atmosphere
6: nitric acid / 24 h / 20 °C
7: N-ethyl-N,N-diisopropylamine / tetrahydrofuran / 20 °C / Inert atmosphere
8: hydrogen / palladium 10% on activated carbon / ethanol / 2 h / 20 °C
9: N-ethyl-N,N-diisopropylamine; (benzotriazol-1-yloxy)tripyrrolidinophosphonium hexafluorophosphate / dichloromethane / 16 h / 20 °C / Inert atmosphere
With
chromium(VI) oxide; (benzotriazol-1-yloxy)tripyrrolidinophosphonium hexafluorophosphate; sulfuric acid; hydrogen; nitric acid; acetic acid; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine; hydroquinone; zinc;
palladium 10% on activated carbon;
In
tetrahydrofuran; ethanol; dichloromethane; water; N,N-dimethyl-formamide; acetone; xylenes;
- Guidance literature:
-
Multi-step reaction with 11 steps
1.1: n-butyllithium / hexane; tetrahydrofuran / 1.42 h / -78 - -60 °C / Inert atmosphere
1.2: 2 h / -60 °C
2.1: hydroxylamine hydrochloride; sodium acetate / methanol / 0.33 h / 50 °C
3.1: hydroquinone / xylenes / 22 h / 140 °C
4.1: zinc; acetic acid / 0 - 20 °C
5.1: chromium(VI) oxide; sulfuric acid / water; acetone / 72 h / 20 °C
6.1: sulfuric acid / 20 °C / Inert atmosphere; Reflux
7.1: N-ethyl-N,N-diisopropylamine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride / N,N-dimethyl-formamide / 20 - 50 °C / Inert atmosphere
8.1: nitric acid / 24 h / 20 °C
9.1: N-ethyl-N,N-diisopropylamine / tetrahydrofuran / 20 °C / Inert atmosphere
10.1: hydrogen / palladium 10% on activated carbon / ethanol / 2 h / 20 °C
11.1: N-ethyl-N,N-diisopropylamine; (benzotriazol-1-yloxy)tripyrrolidinophosphonium hexafluorophosphate / dichloromethane / 16 h / 20 °C / Inert atmosphere
With
chromium(VI) oxide; n-butyllithium; (benzotriazol-1-yloxy)tripyrrolidinophosphonium hexafluorophosphate; sulfuric acid; hydroxylamine hydrochloride; hydrogen; nitric acid; sodium acetate; acetic acid; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine; hydroquinone; zinc;
palladium 10% on activated carbon;
In
tetrahydrofuran; methanol; ethanol; hexane; dichloromethane; water; N,N-dimethyl-formamide; acetone; xylenes;