Technology Process of tert-butyl (2-{(4S)-6-iodo-1-oxo-7-[3-(trifluoromethoxy)phenyl]-1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazin-4-yl}ethyl)carbamate
There total 9 articles about tert-butyl (2-{(4S)-6-iodo-1-oxo-7-[3-(trifluoromethoxy)phenyl]-1,2,3,4-tetrahydropyrrolo[1,2-a]pyrazin-4-yl}ethyl)carbamate which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
iodine; silver trifluoroacetate;
In
dichloromethane;
at 5 - 20 ℃;
for 2h;
- Guidance literature:
-
Multi-step reaction with 9 steps
1.1: lithium aluminium tetrahydride / tetrahydrofuran / 20 °C / Cooling with ice; Inert atmosphere
2.1: triethylamine / tetrahydrofuran / 0 - 20 °C
3.1: sodium azide / N,N-dimethyl-formamide; acetonitrile
4.1: dichloromethane / Reflux
5.1: iodine; silver trifluoroacetate / dichloromethane / 20 °C / Cooling with ice
6.1: tetrahydrofuran / 3 h / 20 °C
7.1: triphenylphosphine / dichloromethane / 20 °C
7.2: 24 h / 20 °C
8.1: dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; caesium carbonate / 1,4-dioxane; water / 2 h / 70 °C / Sealed tube; Inert atmosphere
9.1: iodine; silver trifluoroacetate / dichloromethane / 2 h / 5 - 20 °C
With
lithium aluminium tetrahydride; sodium azide; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; iodine; silver trifluoroacetate; caesium carbonate; triethylamine; triphenylphosphine;
In
tetrahydrofuran; 1,4-dioxane; dichloromethane; water; N,N-dimethyl-formamide; acetonitrile;
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: sodium azide / N,N-dimethyl-formamide; acetonitrile
2.1: dichloromethane / Reflux
3.1: iodine; silver trifluoroacetate / dichloromethane / 20 °C / Cooling with ice
4.1: tetrahydrofuran / 3 h / 20 °C
5.1: triphenylphosphine / dichloromethane / 20 °C
5.2: 24 h / 20 °C
6.1: dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; caesium carbonate / 1,4-dioxane; water / 2 h / 70 °C / Sealed tube; Inert atmosphere
7.1: iodine; silver trifluoroacetate / dichloromethane / 2 h / 5 - 20 °C
With
sodium azide; dichloro(1,1'-bis(diphenylphosphanyl)ferrocene)palladium(II)*CH2Cl2; iodine; silver trifluoroacetate; caesium carbonate; triphenylphosphine;
In
tetrahydrofuran; 1,4-dioxane; dichloromethane; water; N,N-dimethyl-formamide; acetonitrile;