Technology Process of methyl 2,6-dichloro-4-formylpyridine-3-carboxylate
There total 1 articles about methyl 2,6-dichloro-4-formylpyridine-3-carboxylate which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
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Multi-step reaction with 6 steps
1.1: thionyl chloride / 5 h / 20 °C / Cooling with ice
2.1: sodium tris(acetoxy)borohydride / ethanol / 3 h / 80 °C
3.1: Dess-Martin periodane / dichloromethane / 0.5 h / 20 °C
4.1: toluene-4-sulfonic acid / toluene; methanol / 2 h / Reflux
5.1: diisopropylamine; n-butyllithium / hexane; tetrahydrofuran / 3 h / -78 °C
5.2: 2 h / 20 °C
6.1: trifluoroacetic acid / dichloromethane / 20 °C
With
n-butyllithium; thionyl chloride; sodium tris(acetoxy)borohydride; Dess-Martin periodane; diisopropylamine; trifluoroacetic acid;
toluene-4-sulfonic acid;
In
tetrahydrofuran; methanol; ethanol; hexane; dichloromethane; toluene;
- Guidance literature:
-
Multi-step reaction with 5 steps
1: 1,4-dioxane / 20 °C
2: trifluoroacetic acid / dichloromethane / 2 h / 20 °C
3: N-ethyl-N,N-diisopropylamine / 1,4-dioxane / 15 h / 120 °C
4: potassium tert-butylate / tris-(dibenzylideneacetone)dipalladium(0); XPhos / tert-butyl alcohol / 1 h / 120 °C / Microwave irradiation
5: dichloromethane / 3 h / 20 °C
With
potassium tert-butylate; N-ethyl-N,N-diisopropylamine; trifluoroacetic acid;
tris-(dibenzylideneacetone)dipalladium(0); XPhos;
In
1,4-dioxane; dichloromethane; tert-butyl alcohol;
- Guidance literature:
-
Multi-step reaction with 5 steps
1: 1,4-dioxane / 20 °C
2: trifluoroacetic acid / dichloromethane / 2 h / 20 °C
3: N-ethyl-N,N-diisopropylamine / 1,4-dioxane / 15 h / 120 °C
4: potassium tert-butylate / tris-(dibenzylideneacetone)dipalladium(0); XPhos / tert-butyl alcohol / 48 h / 120 °C / Inert atmosphere; Sealed tube
5: trifluoroacetic acid / dichloromethane / 3 h / 20 °C
With
potassium tert-butylate; N-ethyl-N,N-diisopropylamine; trifluoroacetic acid;
tris-(dibenzylideneacetone)dipalladium(0); XPhos;
In
1,4-dioxane; dichloromethane; tert-butyl alcohol;