Technology Process of 1-ethyl-7-methyl-3-(4-{[tris(1-methylethyl)silyl]oxy}phenyl)-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one 4-oxide
There total 11 articles about 1-ethyl-7-methyl-3-(4-{[tris(1-methylethyl)silyl]oxy}phenyl)-1,3-dihydro-2H-imidazo[4,5-b]pyridin-2-one 4-oxide which
guide to synthetic route it.
The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:
synthetic route:
- Guidance literature:
-
With
urea hydrogen peroxide adduct; trifluoroacetic anhydride;
In
ethyl acetate;
at 0 ℃;
Product distribution / selectivity;
- Guidance literature:
-
Multi-step reaction with 7 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
With
hydrogenchloride; 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 6 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
With
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;