Technology Process of methyl 2-(4-benzyloxycarbonylamino-2-fluoro-phenyl)-4,5-oxazole-4-carboxylate
There total 7 articles about methyl 2-(4-benzyloxycarbonylamino-2-fluoro-phenyl)-4,5-oxazole-4-carboxylate which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
Burgess Reagent;
In
tetrahydrofuran;
at 75 ℃;
for 3h;
- Guidance literature:
-
Multi-step reaction with 7 steps
1: chromium(VI) oxide; sulfuric acid; acetic acid / water / 3 h / 100 °C
2: triethylamine / dmap / dichloromethane / 2 h / 10 - 20 °C
3: iron; ammonium chloride / ethanol; water / 1 h / 95 °C
4: sodium hydrogencarbonate / tetrahydrofuran / 19 h / 0 - 50 °C
5: trifluoroacetic acid / dichloromethane / 1 h / 0 - 20 °C
6: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine / tetrahydrofuran / 1 h / 20 °C
7: Burgess Reagent / tetrahydrofuran / 3 h / 75 °C
With
chromium(VI) oxide; Burgess Reagent; sulfuric acid; iron; sodium hydrogencarbonate; ammonium chloride; benzotriazol-1-ol; acetic acid; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; N-ethyl-N,N-diisopropylamine; trifluoroacetic acid;
dmap;
In
tetrahydrofuran; ethanol; dichloromethane; water;
- Guidance literature:
-
Multi-step reaction with 6 steps
1: triethylamine / dmap / dichloromethane / 2 h / 10 - 20 °C
2: iron; ammonium chloride / ethanol; water / 1 h / 95 °C
3: sodium hydrogencarbonate / tetrahydrofuran / 19 h / 0 - 50 °C
4: trifluoroacetic acid / dichloromethane / 1 h / 0 - 20 °C
5: benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine / tetrahydrofuran / 1 h / 20 °C
6: Burgess Reagent / tetrahydrofuran / 3 h / 75 °C
With
Burgess Reagent; iron; sodium hydrogencarbonate; ammonium chloride; benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; N-ethyl-N,N-diisopropylamine; trifluoroacetic acid;
dmap;
In
tetrahydrofuran; ethanol; dichloromethane; water;