Technology Process of (2S,3S,4R)-2-hydroxy-3,4-O-isopropylideneoctadecyl-2,3-di-O-benzyl-4,6-O-benzylidene-α-D-galactopyranoside
There total 4 articles about (2S,3S,4R)-2-hydroxy-3,4-O-isopropylideneoctadecyl-2,3-di-O-benzyl-4,6-O-benzylidene-α-D-galactopyranoside which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: hydrogen / palladium hydroxide on carbon / ethyl acetate / 1 h / 20 °C
2.1: 2,6-dimethylpyridine / dichloromethane / 1 h / 20 °C
3.1: pyridine; pyridine hydrofluoride / tetrahydrofuran / 4 h / 0 - 20 °C
4.1: dichloromethane / 0.5 h / 20 °C / Molecular sieves 4 ?
4.2: 2.5 h / 0 - 20 °C
5.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 0.83 h / 20 °C
With
pyridine; 2,6-dimethylpyridine; pyridine hydrofluoride; tetrabutyl ammonium fluoride; hydrogen;
palladium hydroxide on carbon;
In
tetrahydrofuran; dichloromethane; ethyl acetate;
- Guidance literature:
-
Multi-step reaction with 4 steps
1.1: 2,6-dimethylpyridine / dichloromethane / 1 h / 20 °C
2.1: pyridine; pyridine hydrofluoride / tetrahydrofuran / 4 h / 0 - 20 °C
3.1: dichloromethane / 0.5 h / 20 °C / Molecular sieves 4 ?
3.2: 2.5 h / 0 - 20 °C
4.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 0.83 h / 20 °C
With
pyridine; 2,6-dimethylpyridine; pyridine hydrofluoride; tetrabutyl ammonium fluoride;
In
tetrahydrofuran; dichloromethane;
- Guidance literature:
-
Multi-step reaction with 3 steps
1.1: pyridine; pyridine hydrofluoride / tetrahydrofuran / 4 h / 0 - 20 °C
2.1: dichloromethane / 0.5 h / 20 °C / Molecular sieves 4 ?
2.2: 2.5 h / 0 - 20 °C
3.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 0.83 h / 20 °C
With
pyridine; pyridine hydrofluoride; tetrabutyl ammonium fluoride;
In
tetrahydrofuran; dichloromethane;