Technology Process of 7-(4-fluoro-phenyl)-2-phenoxymethyl-6,7-dihydro-5H-[1,2,4]triazolo[1,5-a]pyrazin-8-one
There total 7 articles about 7-(4-fluoro-phenyl)-2-phenoxymethyl-6,7-dihydro-5H-[1,2,4]triazolo[1,5-a]pyrazin-8-one which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
10% Pt/activated carbon; hydrogen;
In
tetrahydrofuran; methanol;
at 100 ℃;
DOI:10.1016/j.bmcl.2015.11.098
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: potassium phosphate; copper(l) iodide; N,N`-dimethylethylenediamine / N,N-dimethyl-formamide; 1,4-dioxane / 0.25 h / 180 °C / Microwave irradiation
2.1: trichlorophosphate / 1,2-dichloro-ethane / 0.25 h / 160 °C / Microwave irradiation
3.1: caesium carbonate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene / palladium diacetate / 1,4-dioxane / 0.25 h / 80 °C
4.1: sodium hydride / tetrahydrofuran; mineral oil / 0 - 20 °C
4.2: 0 - 20 °C
4.3: 20 °C
5.1: trichlorophosphate / tetrahydrofuran / 0 - 100 °C / Microwave irradiation
6.1: hydrogen / palladium 10% on activated carbon / dichloromethane; methanol / 100 °C
With
potassium phosphate; copper(l) iodide; hydrogen; sodium hydride; caesium carbonate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; N,N`-dimethylethylenediamine; trichlorophosphate;
palladium 10% on activated carbon; palladium diacetate;
In
tetrahydrofuran; 1,4-dioxane; methanol; dichloromethane; 1,2-dichloro-ethane; N,N-dimethyl-formamide; mineral oil;
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: trichlorophosphate / 1,2-dichloro-ethane / 0.25 h / 160 °C / Microwave irradiation
2.1: caesium carbonate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene / palladium diacetate / 1,4-dioxane / 0.25 h / 80 °C
3.1: sodium hydride / tetrahydrofuran; mineral oil / 0 - 20 °C
3.2: 0 - 20 °C
3.3: 20 °C
4.1: trichlorophosphate / tetrahydrofuran / 0 - 100 °C / Microwave irradiation
5.1: hydrogen / palladium 10% on activated carbon / dichloromethane; methanol / 100 °C
With
hydrogen; sodium hydride; caesium carbonate; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; trichlorophosphate;
palladium 10% on activated carbon; palladium diacetate;
In
tetrahydrofuran; 1,4-dioxane; methanol; dichloromethane; 1,2-dichloro-ethane; mineral oil;