Technology Process of 4-{1-[3-(trifluoromethyl)-7,8-dihydro[1,2,4]triazolo[4,3-b]pyridazin-6-yl]piperidin-4-yl}phenol
There total 5 articles about 4-{1-[3-(trifluoromethyl)-7,8-dihydro[1,2,4]triazolo[4,3-b]pyridazin-6-yl]piperidin-4-yl}phenol which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
hydrogen;
5%-palladium/activated carbon;
In
methanol;
at 50 ℃;
for 120h;
under 3750.38 Torr;
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: lithium hexamethyldisilazane / tetrahydrofuran / 2.5 h / -78 °C / Inert atmosphere
1.2: -78 - 20 °C
2.1: sodium carbonate / (1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride / 1,4-dioxane; water / 1 h / 80 °C / Inert atmosphere
3.1: hydrogen / 5%-palladium/activated carbon / methanol / 2 h / 25 °C / 3750.38 Torr
4.1: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 1 h / 80 °C
5.1: hydrogen / 5%-palladium/activated carbon / methanol / 120 h / 50 °C / 3750.38 Torr
With
hydrogen; sodium carbonate; N-ethyl-N,N-diisopropylamine; lithium hexamethyldisilazane;
(1,1'-bis(diphenylphosphino)ferrocene)palladium(II) dichloride; 5%-palladium/activated carbon;
In
tetrahydrofuran; 1,4-dioxane; methanol; water; N,N-dimethyl-formamide;
- Guidance literature:
-
Multi-step reaction with 2 steps
1: N-ethyl-N,N-diisopropylamine / N,N-dimethyl-formamide / 1 h / 80 °C
2: hydrogen / 5%-palladium/activated carbon / methanol / 120 h / 50 °C / 3750.38 Torr
With
hydrogen; N-ethyl-N,N-diisopropylamine;
5%-palladium/activated carbon;
In
methanol; N,N-dimethyl-formamide;