Technology Process of 3-methyl-4-oxo-1-phenyl-7-trifluoromethyl-1,4-dihydro-[1,8]naphthyridine-2-carboxylic acid methyl ester
There total 6 articles about 3-methyl-4-oxo-1-phenyl-7-trifluoromethyl-1,4-dihydro-[1,8]naphthyridine-2-carboxylic acid methyl ester which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
potassium carbonate;
In
methanol;
for 2h;
under 760.051 Torr;
Inert atmosphere;
Reflux;
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: lithium hexamethyldisilazane / tetrahydrofuran / 2 h / -78 °C / 760.05 Torr / Inert atmosphere
1.2: -78 - 20 °C / 760.05 Torr / Inert atmosphere
1.3: 760.05 Torr / Inert atmosphere
2.1: N-ethyl-N,N-diisopropylamine; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate / N,N-dimethyl-formamide / 4 h / 25 °C / 760.05 Torr / Inert atmosphere
3.1: tetrahydrofuran / 4.5 h / 0 - 20 °C / 760.05 Torr / Inert atmosphere
4.1: toluene / 18 h / 760.05 Torr / Inert atmosphere; Reflux
5.1: potassium carbonate / methanol / 2 h / 760.05 Torr / Inert atmosphere; Reflux
With
potassium carbonate; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine; lithium hexamethyldisilazane;
In
tetrahydrofuran; methanol; N,N-dimethyl-formamide; toluene;
- Guidance literature:
-
Multi-step reaction with 4 steps
1: N-ethyl-N,N-diisopropylamine; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate / N,N-dimethyl-formamide / 4 h / 25 °C / 760.05 Torr / Inert atmosphere
2: tetrahydrofuran / 4.5 h / 0 - 20 °C / 760.05 Torr / Inert atmosphere
3: toluene / 18 h / 760.05 Torr / Inert atmosphere; Reflux
4: potassium carbonate / methanol / 2 h / 760.05 Torr / Inert atmosphere; Reflux
With
potassium carbonate; O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine;
In
tetrahydrofuran; methanol; N,N-dimethyl-formamide; toluene;