Technology Process of 3-Ethynyl-5-fluoropyridin-2-amine
There total 4 articles about 3-Ethynyl-5-fluoropyridin-2-amine 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
tetrabutyl ammonium fluoride;
In
tetrahydrofuran;
at 20 ℃;
for 1h;
- Guidance literature:
-
Multi-step reaction with 3 steps
1: sulfuric acid; bromine / water / 26 h / 30 - 50 °C / Large scale
2: copper(l) iodide; triethylamine; tetrakis(triphenylphosphine) palladium(0) / toluene / 23 h / 48 - 53 °C / Inert atmosphere; Large scale
3: sodium methylate / methanol; toluene / 0.67 h / 25 °C / Large scale
With
copper(l) iodide; tetrakis(triphenylphosphine) palladium(0); sulfuric acid; bromine; sodium methylate; triethylamine;
In
methanol; water; toluene;
- Guidance literature:
-
Multi-step reaction with 2 steps
1: copper(l) iodide; triethylamine; bis-triphenylphosphine-palladium(II) chloride / tetrahydrofuran / 3.33 h / 26 - 66 °C / Inert atmosphere
2: sodium methylate / methanol; toluene / 0.67 h / 25 °C / Large scale
With
bis-triphenylphosphine-palladium(II) chloride; copper(l) iodide; sodium methylate; triethylamine;
In
tetrahydrofuran; methanol; toluene;