Technology Process of [1-ethyl-3-(4-hydroxyphenyl)-2-oxo-2,3-dihydro-1H-imidazo[4,5-b]pyridin-7-yl]methyl acetate
There total 13 articles about [1-ethyl-3-(4-hydroxyphenyl)-2-oxo-2,3-dihydro-1H-imidazo[4,5-b]pyridin-7-yl]methyl acetate which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
tetrabutyl ammonium fluoride;
In
tetrahydrofuran;
at 20 ℃;
for 0.5h;
- Guidance literature:
-
Multi-step reaction with 9 steps
1: hydrogenchloride; dihydrogen peroxide / water / 1 h / 0 - 20 °C
2: sodium hexamethyldisilazane / tetrahydrofuran / 0 - 20 °C
3: sodium t-butanolate / 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; tris-(dibenzylideneacetone)dipalladium(0) / isopropyl alcohol; toluene / 24 h / 100 °C / Inert atmosphere
4: caesium carbonate / N,N-dimethyl-formamide / 4 h / 20 - 50 °C
5: hydrogen / palladium 10% on activated carbon / ethanol / 20 °C
6: N,N-dimethyl-formamide / 1 h / 20 °C
7: trifluoroacetic anhydride; urea hydrogen peroxide adduct / ethyl acetate / 0 °C
8: 2 h / 80 °C
9: tetrabutyl ammonium fluoride / tetrahydrofuran / 0.5 h / 20 °C
With
hydrogenchloride; tetrabutyl ammonium fluoride; hydrogen; dihydrogen peroxide; sodium hexamethyldisilazane; urea hydrogen peroxide adduct; caesium carbonate; trifluoroacetic anhydride; sodium t-butanolate;
tris-(dibenzylideneacetone)dipalladium(0); palladium 10% on activated carbon; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene;
In
tetrahydrofuran; ethanol; water; ethyl acetate; N,N-dimethyl-formamide; isopropyl alcohol; toluene;
- Guidance literature:
-
Multi-step reaction with 8 steps
1: sodium hexamethyldisilazane / tetrahydrofuran / 0 - 20 °C
2: sodium t-butanolate / 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene; tris-(dibenzylideneacetone)dipalladium(0) / isopropyl alcohol; toluene / 24 h / 100 °C / Inert atmosphere
3: caesium carbonate / N,N-dimethyl-formamide / 4 h / 20 - 50 °C
4: hydrogen / palladium 10% on activated carbon / ethanol / 20 °C
5: N,N-dimethyl-formamide / 1 h / 20 °C
6: trifluoroacetic anhydride; urea hydrogen peroxide adduct / ethyl acetate / 0 °C
7: 2 h / 80 °C
8: tetrabutyl ammonium fluoride / tetrahydrofuran / 0.5 h / 20 °C
With
tetrabutyl ammonium fluoride; hydrogen; sodium hexamethyldisilazane; urea hydrogen peroxide adduct; caesium carbonate; trifluoroacetic anhydride; sodium t-butanolate;
tris-(dibenzylideneacetone)dipalladium(0); palladium 10% on activated carbon; 4,5-bis(diphenylphosphino)-9,9-dimethylxanthene;
In
tetrahydrofuran; ethanol; ethyl acetate; N,N-dimethyl-formamide; isopropyl alcohol; toluene;