Technology Process of ((2R,3S,4R,5R)-3,4-dihydroxy-5-(4-oxo-3,4-dihydro-7H-imidazo[4,5-d][1,2,3]triazin-7-yl)tetrahydrofuran-2-yl)methyl dihydrogen phosphate
There total 10 articles about ((2R,3S,4R,5R)-3,4-dihydroxy-5-(4-oxo-3,4-dihydro-7H-imidazo[4,5-d][1,2,3]triazin-7-yl)tetrahydrofuran-2-yl)methyl dihydrogen phosphate which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
5%-palladium/activated carbon; hydrogen;
In
methanol;
at 20 ℃;
for 0.5h;
DOI:10.1039/c4ob00705k
- Guidance literature:
-
Multi-step reaction with 9 steps
1.1: 1H-imidazole; tert-butyldimethylsilyl chloride / N,N-dimethyl-formamide / 48 h / 20 - 60 °C / Inert atmosphere
2.1: potassium carbonate / N,N-dimethyl-formamide / 48 h / 20 - 60 °C / Inert atmosphere
3.1: ethylenediamine / tetrahydrofuran / 3 h / 20 - 50 °C / Inert atmosphere
4.1: ammonium fluoride / water; N,N-dimethyl-formamide / 24 h / 20 °C
5.1: sodium nitrite; hydrogenchloride / water; acetonitrile / 1 h / 0 °C
6.1: ethylenediamine / N,N-dimethyl-formamide / 2 h / 20 - 60 °C
7.1: 1H-tetrazole / dichloromethane / 0.33 h / 0 °C / Inert atmosphere
7.2: 1 h / -78 - 0 °C / Inert atmosphere
8.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 0.67 h / 0 °C / Inert atmosphere
9.1: 5%-palladium/activated carbon; hydrogen / methanol / 0.5 h / 20 °C
With
1H-imidazole; 1H-tetrazole; hydrogenchloride; ammonium fluoride; 5%-palladium/activated carbon; tetrabutyl ammonium fluoride; hydrogen; potassium carbonate; tert-butyldimethylsilyl chloride; ethylenediamine; sodium nitrite;
In
tetrahydrofuran; methanol; dichloromethane; water; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1039/c4ob00705k
- Guidance literature:
-
Multi-step reaction with 6 steps
1.1: ammonium fluoride / water; N,N-dimethyl-formamide / 24 h / 20 °C
2.1: sodium nitrite; hydrogenchloride / water; acetonitrile / 1 h / 0 °C
3.1: ethylenediamine / N,N-dimethyl-formamide / 2 h / 20 - 60 °C
4.1: 1H-tetrazole / dichloromethane / 0.33 h / 0 °C / Inert atmosphere
4.2: 1 h / -78 - 0 °C / Inert atmosphere
5.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 0.67 h / 0 °C / Inert atmosphere
6.1: 5%-palladium/activated carbon; hydrogen / methanol / 0.5 h / 20 °C
With
1H-tetrazole; hydrogenchloride; ammonium fluoride; 5%-palladium/activated carbon; tetrabutyl ammonium fluoride; hydrogen; ethylenediamine; sodium nitrite;
In
tetrahydrofuran; methanol; dichloromethane; water; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1039/c4ob00705k