Technology Process of 1,4-Benzodioxin-2,3-dicarboxylic acid,
6-[2-[[2-(3-chlorophenyl)-2-hydroxyethyl]amino]ethoxy]-, diethyl ester
There total 6 articles about 1,4-Benzodioxin-2,3-dicarboxylic acid,
6-[2-[[2-(3-chlorophenyl)-2-hydroxyethyl]amino]ethoxy]-, diethyl ester which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 2 steps
1: 1.) zinc iodide; 2.) lithium aluminum hydride / 1.) r.t., 20 min; 2.) Et2O, reflux, 2 h
2: 70 percent / sodium cyanoborohydride, zinc chloride / methanol / Ambient temperature
With
lithium aluminium tetrahydride; sodium cyanoborohydride; zinc(II) iodide; zinc(II) chloride;
In
methanol;
- Guidance literature:
-
Multi-step reaction with 6 steps
1: 74 percent / potassium carbonate, tetrabutylammonium bromide / toluene / 48 h / Heating
2: 90 percent / 1.) 10percent sodium hydroxide; 2.) 2N HCl / ethanol / 2 h / Ambient temperature
3: 1.) 2M lithium diisoproylamide / tetrahydrofuran / 1.) -78 deg C, 4 h; 2.) -78 deg C, 30 min then up to r.t
4: triphenylphosphine, diethyl azodicarboxylate / tetrahydrofuran / 2 h / Ambient temperature
5: conc. hydrochloric acid / dioxane / Ambient temperature
6: 70 percent / sodium cyanoborohydride, zinc chloride / methanol / Ambient temperature
With
hydrogenchloride; sodium hydroxide; tetrabutylammomium bromide; sodium cyanoborohydride; potassium carbonate; triphenylphosphine; zinc(II) chloride; lithium diisopropyl amide; diethylazodicarboxylate;
In
tetrahydrofuran; 1,4-dioxane; methanol; ethanol; toluene;
- Guidance literature:
-
Multi-step reaction with 4 steps
1: 1.) 2M lithium diisoproylamide / tetrahydrofuran / 1.) -78 deg C, 4 h; 2.) -78 deg C, 30 min then up to r.t
2: triphenylphosphine, diethyl azodicarboxylate / tetrahydrofuran / 2 h / Ambient temperature
3: conc. hydrochloric acid / dioxane / Ambient temperature
4: 70 percent / sodium cyanoborohydride, zinc chloride / methanol / Ambient temperature
With
hydrogenchloride; sodium cyanoborohydride; triphenylphosphine; zinc(II) chloride; lithium diisopropyl amide; diethylazodicarboxylate;
In
tetrahydrofuran; 1,4-dioxane; methanol;