Technology Process of cyclopentyloxy-[4-(pyrrolidine-1-sulfonyl)-phenyl]-acetic acid methyl ester
There total 4 articles about cyclopentyloxy-[4-(pyrrolidine-1-sulfonyl)-phenyl]-acetic acid methyl ester which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 4 steps
1: potassium nitrate; chloro-trimethyl-silane / dichloromethane / 24 h / 50 °C / Sealed tube
2: triethylamine / dichloromethane / 2 h / 0 - 20 °C / Inert atmosphere
3: 4-toluenesulfonyl azide; 1,8-diazabicyclo[5.4.0]undec-7-ene / acetonitrile / 0.5 h / Inert atmosphere
4: dirhodium tetraacetate / dichloromethane / 0.5 h / 25 °C / Inert atmosphere
With
chloro-trimethyl-silane; 4-toluenesulfonyl azide; 1,8-diazabicyclo[5.4.0]undec-7-ene; potassium nitrate; triethylamine;
dirhodium tetraacetate;
In
dichloromethane; acetonitrile;
- Guidance literature:
-
Multi-step reaction with 3 steps
1: triethylamine / dichloromethane / 2 h / 0 - 20 °C / Inert atmosphere
2: 4-toluenesulfonyl azide; 1,8-diazabicyclo[5.4.0]undec-7-ene / acetonitrile / 0.5 h / Inert atmosphere
3: dirhodium tetraacetate / dichloromethane / 0.5 h / 25 °C / Inert atmosphere
With
4-toluenesulfonyl azide; 1,8-diazabicyclo[5.4.0]undec-7-ene; triethylamine;
dirhodium tetraacetate;
In
dichloromethane; acetonitrile;
- Guidance literature:
-
Multi-step reaction with 5 steps
1: sulfuric acid / 3 h / Reflux
2: potassium nitrate; chloro-trimethyl-silane / dichloromethane / 24 h / 50 °C / Sealed tube
3: triethylamine / dichloromethane / 2 h / 0 - 20 °C / Inert atmosphere
4: 4-toluenesulfonyl azide; 1,8-diazabicyclo[5.4.0]undec-7-ene / acetonitrile / 0.5 h / Inert atmosphere
5: dirhodium tetraacetate / dichloromethane / 0.5 h / 25 °C / Inert atmosphere
With
chloro-trimethyl-silane; 4-toluenesulfonyl azide; sulfuric acid; 1,8-diazabicyclo[5.4.0]undec-7-ene; potassium nitrate; triethylamine;
dirhodium tetraacetate;
In
dichloromethane; acetonitrile;