Technology Process of ethyl 7-(4-(tert-butoxycarbonyl)-2-nitrophenoxy)-6,8-dicyclopropylchroman-4-carboxylate
There total 9 articles about ethyl 7-(4-(tert-butoxycarbonyl)-2-nitrophenoxy)-6,8-dicyclopropylchroman-4-carboxylate which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
potassium phosphate; tricyclohexylphosphine;
palladium diacetate;
In
water; xylenes;
at 140 ℃;
for 2h;
Inert atmosphere;
- Guidance literature:
-
Multi-step reaction with 8 steps
1.1: trifluorormethanesulfonic acid / 4 - 10 °C
1.2: 10 - 55 °C
2.1: sodium hydroxide / water / 10 - 20 °C / Industry scale
2.2: 1 h / 5 - 20 °C
3.1: iodine / dichloromethane / 10 - 20 °C / Inert atmosphere; Industry scale
3.2: 20 °C / Industry scale
4.1: hydrogenchloride; tin(II) chloride dihdyrate; water / acetic acid / 18 h / 100 °C / Industry scale
4.2: 1 h / 20 °C / Industry scale
5.1: sodium hydroxide / water / Industry scale
5.2: pH 2 - 3 / Industry scale
5.3: 16 h / Reflux
6.1: bromine / acetic acid / 20 °C
7.1: potassium carbonate / N,N-dimethyl-formamide / 0.5 h / 90 °C
8.1: potassium phosphate; tricyclohexylphosphine / palladium diacetate / water; xylenes / 2 h / 140 °C / Inert atmosphere
With
hydrogenchloride; potassium phosphate; tin(II) chloride dihdyrate; trifluorormethanesulfonic acid; water; bromine; iodine; potassium carbonate; sodium hydroxide; tricyclohexylphosphine;
palladium diacetate;
In
dichloromethane; water; acetic acid; N,N-dimethyl-formamide; xylenes;
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: iodine / dichloromethane / 10 - 20 °C / Inert atmosphere; Industry scale
1.2: 20 °C / Industry scale
2.1: hydrogenchloride; tin(II) chloride dihdyrate; water / acetic acid / 18 h / 100 °C / Industry scale
2.2: 1 h / 20 °C / Industry scale
3.1: sodium hydroxide / water / Industry scale
3.2: pH 2 - 3 / Industry scale
3.3: 16 h / Reflux
4.1: bromine / acetic acid / 20 °C
5.1: potassium carbonate / N,N-dimethyl-formamide / 0.5 h / 90 °C
6.1: potassium phosphate; tricyclohexylphosphine / palladium diacetate / water; xylenes / 2 h / 140 °C / Inert atmosphere
With
hydrogenchloride; potassium phosphate; tin(II) chloride dihdyrate; water; bromine; iodine; potassium carbonate; sodium hydroxide; tricyclohexylphosphine;
palladium diacetate;
In
dichloromethane; water; acetic acid; N,N-dimethyl-formamide; xylenes;
