Technology Process of C20H20O4
There total 5 articles about C20H20O4 which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 4 steps
1: methanol; carbon dioxide; isopropyl alcohol / 40 °C / 75007.5 Torr / Resolution of racemate
2: thionyl chloride / N,N-dimethyl-formamide / dichloromethane / Heating / reflux
3: 4 h / 0 - 20 °C
4: hydrogenchloride; formic acid; water / toluene-4-sulfonic acid / Heating / reflux
With
hydrogenchloride; formic acid; thionyl chloride; water;
toluene-4-sulfonic acid; N,N-dimethyl-formamide;
In
methanol; dichloromethane; carbon dioxide; isopropyl alcohol;
- Guidance literature:
-
Multi-step reaction with 6 steps
1: sulfuric acid / water / 20 h / 100 °C
2: sulfuric acid / 20 °C / Heating / reflux
3: methanol; carbon dioxide; isopropyl alcohol / 40 °C / 75007.5 Torr / Resolution of racemate
4: thionyl chloride / N,N-dimethyl-formamide / dichloromethane / Heating / reflux
5: 4 h / 0 - 20 °C
6: hydrogenchloride; formic acid; water / toluene-4-sulfonic acid / Heating / reflux
With
hydrogenchloride; formic acid; thionyl chloride; sulfuric acid; water;
toluene-4-sulfonic acid; N,N-dimethyl-formamide;
In
methanol; dichloromethane; carbon dioxide; water; isopropyl alcohol;
- Guidance literature:
-
Multi-step reaction with 3 steps
1: thionyl chloride / N,N-dimethyl-formamide / dichloromethane / Heating / reflux
2: 4 h / 0 - 20 °C
3: hydrogenchloride; formic acid; water / toluene-4-sulfonic acid / Heating / reflux
With
hydrogenchloride; formic acid; thionyl chloride; water;
toluene-4-sulfonic acid; N,N-dimethyl-formamide;
In
dichloromethane;