Technology Process of 2-chloro-4-cyano-3-hydroxybenzoic acid methyl ester
There total 6 articles about 2-chloro-4-cyano-3-hydroxybenzoic acid methyl ester which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
boron tribromide;
In
dichloromethane;
at -10 - 20 ℃;
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: bromine / chloroform / 20 °C / Cooling with ice
2.1: aminosulfonic acid / water; tetrahydrofuran / 0.33 h / 20 °C
2.2: 3.5 h / 20 °C
3.1: sulfuric acid / 7.5 h / Reflux
4.1: potassium carbonate / N,N-dimethyl-formamide / 20 °C
5.1: tris-(dibenzylideneacetone)dipalladium(0); (diphenylphosphin)ferrocene / ISOPROPYLAMIDE / 2 h / Reflux
6.1: boron tribromide / dichloromethane / -10 - 20 °C
With
sulfuric acid; aminosulfonic acid; bromine; boron tribromide; potassium carbonate;
(diphenylphosphin)ferrocene; tris-(dibenzylideneacetone)dipalladium(0);
In
tetrahydrofuran; dichloromethane; chloroform; ISOPROPYLAMIDE; water; N,N-dimethyl-formamide;
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: hydrogenchloride / methanol
2.1: bromine / chloroform / 20 °C / Cooling with ice
3.1: aminosulfonic acid / water; tetrahydrofuran / 0.33 h / 20 °C
3.2: 3.5 h / 20 °C
4.1: sulfuric acid / 7.5 h / Reflux
5.1: potassium carbonate / N,N-dimethyl-formamide / 20 °C
6.1: tris-(dibenzylideneacetone)dipalladium(0); (diphenylphosphin)ferrocene / ISOPROPYLAMIDE / 2 h / Reflux
7.1: boron tribromide / dichloromethane / -10 - 20 °C
With
sulfuric acid; aminosulfonic acid; bromine; boron tribromide; potassium carbonate;
hydrogenchloride; (diphenylphosphin)ferrocene; tris-(dibenzylideneacetone)dipalladium(0);
In
tetrahydrofuran; methanol; dichloromethane; chloroform; ISOPROPYLAMIDE; water; N,N-dimethyl-formamide;