Technology Process of tert-butyl 3-(3-fluoropyridin-2-yl)-3-oxopropanoate
There total 2 articles about tert-butyl 3-(3-fluoropyridin-2-yl)-3-oxopropanoate which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
acetic acid tert-butyl ester;
With
lithium diisopropyl amide;
In
tetrahydrofuran; n-heptane;
at -78 ℃;
for 0.75h;
methyl 3-fluoropyridine-2-carboxylate;
In
tetrahydrofuran; n-heptane;
at -78 ℃;
for 2h;
- Guidance literature:
-
Multi-step reaction with 2 steps
1.1: sulfuric acid / 20 h / Reflux
2.1: lithium diisopropyl amide / n-heptane; tetrahydrofuran / 0.75 h / -78 °C
2.2: 2 h / -78 °C
With
sulfuric acid; lithium diisopropyl amide;
In
tetrahydrofuran; n-heptane;
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: triethylamine; 4-acetamidobenzenesulfonyl azide / acetonitrile / 0 - 20 °C
2.1: trimethylphosphane / tetrahydrofuran / 20 °C
2.2: 0.25 h / 20 °C
3.1: 1,8-diazabicyclo[5.4.0]undec-7-ene / acetonitrile / 18 h / 20 °C
4.1: trifluoroacetic acid / dichloromethane / 16 h / 20 °C
5.1: triethylamine; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate / dimethyl sulfoxide / 16 h / 20 °C
6.1: hydroxylamine hydrochloride; titanium(IV) isopropylate / toluene / 72 h / Reflux
With
titanium(IV) isopropylate; 4-acetamidobenzenesulfonyl azide; hydroxylamine hydrochloride; O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; 1,8-diazabicyclo[5.4.0]undec-7-ene; triethylamine; trifluoroacetic acid; trimethylphosphane;
In
tetrahydrofuran; dichloromethane; dimethyl sulfoxide; toluene; acetonitrile;