Technology Process of 2,2,4-trimethyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-6-(methylsulfonyl)-2H-benzo[b][1,4]oxazin-3(4H)-one
There total 10 articles about 2,2,4-trimethyl-8-(6-methyl-7-oxo-6,7-dihydro-1H-pyrrolo[2,3-c]pyridin-4-yl)-6-(methylsulfonyl)-2H-benzo[b][1,4]oxazin-3(4H)-one which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
sodium hydroxide;
In
1,4-dioxane; water;
Inert atmosphere;
Large scale;
- Guidance literature:
-
Multi-step reaction with 7 steps
1: nitric acid; acetic acid / 4 h / 70 - 80 °C
2: N-Bromosuccinimide / N,N-dimethyl-formamide / 2.17 h / 0 - 20 °C / Large scale
3: sodium hydrogencarbonate; sodium dithionite / tetrahydrofuran; water / 2 h / 20 °C / Large scale
4: potassium carbonate; hydrogenchloride / water; acetonitrile / 20 - 75 °C
5: potassium carbonate / N,N-dimethyl-formamide / 4 h / 17 °C / Inert atmosphere; Large scale
6: cesium fluoride; bis(di-tert-?butyl(4-?dimethylaminophenyl)?phosphine)?dichloropalladium(II) / water; 1,4-dioxane / Inert atmosphere; Reflux
7: sodium hydroxide / water; 1,4-dioxane / Inert atmosphere; Large scale
With
hydrogenchloride; N-Bromosuccinimide; sodium dithionite; bis(di-tert-?butyl(4-?dimethylaminophenyl)?phosphine)?dichloropalladium(II); nitric acid; sodium hydrogencarbonate; potassium carbonate; acetic acid; cesium fluoride; sodium hydroxide;
In
tetrahydrofuran; 1,4-dioxane; water; N,N-dimethyl-formamide; acetonitrile;
- Guidance literature:
-
Multi-step reaction with 3 steps
1.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 0.75 h / Large scale
1.2: 2.5 h / Large scale
2.1: sodium hydrogencarbonate / water; 1,4-dioxane / 2.5 h / 89 °C / Inert atmosphere; Large scale
3.1: sodium hydroxide / water; 1,4-dioxane / Inert atmosphere; Large scale
With
sodium hydride; sodium hydrogencarbonate; sodium hydroxide;
In
1,4-dioxane; water; N,N-dimethyl-formamide; mineral oil;