Technology Process of 1-[3,5-di(benzyloxy)-(2S,3R,3aS,6aR)-perhydrofuro[3,2-b]furan-2-yl-methyl]-5-methyl-1,2,3,4-tetrahydro-2,4-pyrimidinedione
There total 8 articles about 1-[3,5-di(benzyloxy)-(2S,3R,3aS,6aR)-perhydrofuro[3,2-b]furan-2-yl-methyl]-5-methyl-1,2,3,4-tetrahydro-2,4-pyrimidinedione which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
thymin;
With
sodium hydride;
In
N,N-dimethyl-formamide; mineral oil;
at 90 ℃;
for 0.25h;
3,5-di(benzyloxy)-2-(4-methylphenylsulfonyloxymethyl)-(2S,3R,3aS,6aR)-perhydrofuro[3,2-b]furan;
In
N,N-dimethyl-formamide; mineral oil;
at 90 ℃;
for 3h;
DOI:10.1016/j.carres.2012.01.018
- Guidance literature:
-
Multi-step reaction with 4 steps
1.1: sulfuric acid; water / 1,4-dioxane / 2 h / 80 °C
2.1: oxygen; copper(l) chloride; palladium dichloride / water; N,N-dimethyl-formamide / 4 h / 20 °C
3.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 0.25 h / Cooling
3.2: 1 h / 0 °C
4.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 0.25 h / 90 °C
4.2: 3 h / 90 °C
With
sulfuric acid; water; oxygen; sodium hydride; copper(l) chloride; palladium dichloride;
In
1,4-dioxane; water; N,N-dimethyl-formamide; mineral oil;
DOI:10.1016/j.carres.2012.01.018
-
-
7757-38-2,14131-84-1,23262-78-4,27108-13-0,33823-04-0,34685-42-2,57819-52-0,78039-08-4,78039-12-0,78964-16-6,94842-76-9,149342-31-4
2,3,5,6-di-O-isopropylidene-D-mannofuranose
- Guidance literature:
-
Multi-step reaction with 8 steps
1.1: potassium tert-butylate / dimethyl sulfoxide / 0.5 h / 10 °C
1.2: 10 - 20 °C
2.1: pyridine; dmap / 3.5 h / 0 - 20 °C
3.1: bismuth(III) chloride / dichloromethane / 2 h / 20 °C
4.1: 1H-imidazole; iodine; triphenylphosphine / toluene / Heating
5.1: sulfuric acid; water / 1,4-dioxane / 2 h / 80 °C
6.1: oxygen; copper(l) chloride; palladium dichloride / water; N,N-dimethyl-formamide / 4 h / 20 °C
7.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 0.25 h / Cooling
7.2: 1 h / 0 °C
8.1: sodium hydride / N,N-dimethyl-formamide; mineral oil / 0.25 h / 90 °C
8.2: 3 h / 90 °C
With
pyridine; 1H-imidazole; dmap; bismuth(III) chloride; sulfuric acid; potassium tert-butylate; water; iodine; oxygen; sodium hydride; triphenylphosphine; copper(l) chloride; palladium dichloride;
In
1,4-dioxane; dichloromethane; water; dimethyl sulfoxide; N,N-dimethyl-formamide; toluene; mineral oil;
DOI:10.1016/j.carres.2012.01.018