Technology Process of isopropyl 3-(2-(((((2 R,3R,4R,5R)-5-(2,6-diamino-9H-purin-9-yl)-3,4-dihydroxy-4-methyltetrahydrofuran-2-yl)methoxy)(((S)-1-isopropoxy-1-oxopropan-2-yl)amino)phosphoryl)oxy)phenyl)propanoate
There total 5 articles about isopropyl 3-(2-(((((2 R,3R,4R,5R)-5-(2,6-diamino-9H-purin-9-yl)-3,4-dihydroxy-4-methyltetrahydrofuran-2-yl)methoxy)(((S)-1-isopropoxy-1-oxopropan-2-yl)amino)phosphoryl)oxy)phenyl)propanoate which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
20% palladium hydroxide-activated charcoal; hydrogen;
In
isopropyl alcohol;
at 20 - 80 ℃;
for 11h;
Inert atmosphere;
DOI:10.1080/15257770.2019.1671594
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: sulfuric acid / 20 °C / Inert atmosphere; Large scale
1.2: pH 6.5 - 7 / Large scale
2.1: trichlorophosphate / tert-butyl methyl ether / 15 - 30 °C
3.1: triethylamine / tert-butyl methyl ether; dichloromethane / 2 h / 20 °C
4.1: triethylamine / dichloromethane / 2 h / 0 - 30 °C / Large scale
5.1: tert-butylmagnesium chloride / tetrahydrofuran / 6 h / 0 - 30 °C / Inert atmosphere; Large scale
6.1: sodium azide; tetra-(n-butyl)ammonium iodide / N,N-dimethyl-formamide / 18 h / 65 - 80 °C / Inert atmosphere
7.1: hydrogen; 20% palladium hydroxide-activated charcoal / isopropyl alcohol / 11 h / 20 - 80 °C / Inert atmosphere
With
sodium azide; sulfuric acid; 20% palladium hydroxide-activated charcoal; tert-butylmagnesium chloride; hydrogen; tetra-(n-butyl)ammonium iodide; triethylamine; trichlorophosphate;
In
tetrahydrofuran; dichloromethane; tert-butyl methyl ether; N,N-dimethyl-formamide; isopropyl alcohol;
DOI:10.1080/15257770.2019.1671594
- Guidance literature:
-
Multi-step reaction with 6 steps
1: trichlorophosphate / tert-butyl methyl ether / 15 - 30 °C
2: triethylamine / tert-butyl methyl ether; dichloromethane / 2 h / 20 °C
3: triethylamine / dichloromethane / 2 h / 0 - 30 °C / Large scale
4: tert-butylmagnesium chloride / tetrahydrofuran / 6 h / 0 - 30 °C / Inert atmosphere; Large scale
5: sodium azide; tetra-(n-butyl)ammonium iodide / N,N-dimethyl-formamide / 18 h / 65 - 80 °C / Inert atmosphere
6: hydrogen; 20% palladium hydroxide-activated charcoal / isopropyl alcohol / 11 h / 20 - 80 °C / Inert atmosphere
With
sodium azide; 20% palladium hydroxide-activated charcoal; tert-butylmagnesium chloride; hydrogen; tetra-(n-butyl)ammonium iodide; triethylamine; trichlorophosphate;
In
tetrahydrofuran; dichloromethane; tert-butyl methyl ether; N,N-dimethyl-formamide; isopropyl alcohol;
DOI:10.1080/15257770.2019.1671594