Technology Process of 28-O-benzyl-3-O-[2-acetamido-3,4-O-bi-acetyl-6-O-2-deoxy-β-D-glucopyranosyl]oleanolic ester
There total 5 articles about 28-O-benzyl-3-O-[2-acetamido-3,4-O-bi-acetyl-6-O-2-deoxy-β-D-glucopyranosyl]oleanolic ester which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
tetrabutyl ammonium fluoride;
In
tetrahydrofuran;
for 11h;
DOI:10.1039/c4ob00874j
- Guidance literature:
-
Multi-step reaction with 8 steps
1.1: tetrabutyl ammonium fluoride; sodium hydrogencarbonate / dichloromethane
2.1: dichloromethane / 0.5 h / 20 °C
2.2: 3 h / 0 °C
3.1: acetic acid; zinc / 4 h
4.1: pyridine / 1.5 h
5.1: sodium methylate / dichloromethane; methanol / pH 7
6.1: 1H-imidazole / dichloromethane / 0.17 h
7.1: pyridine / 2.5 h
8.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 11 h
With
pyridine; 1H-imidazole; tetrabutyl ammonium fluoride; sodium methylate; sodium hydrogencarbonate; acetic acid; zinc;
In
tetrahydrofuran; methanol; dichloromethane;
DOI:10.1039/c4ob00874j
- Guidance literature:
-
Multi-step reaction with 8 steps
1.1: tetrabutyl ammonium fluoride; sodium hydrogencarbonate / dichloromethane
2.1: dichloromethane / 0.5 h / 20 °C
2.2: 3 h / 0 °C
3.1: acetic acid; zinc / 4 h
4.1: pyridine / 1.5 h
5.1: sodium methylate / dichloromethane; methanol / pH 7
6.1: 1H-imidazole / dichloromethane / 0.17 h
7.1: pyridine / 2.5 h
8.1: tetrabutyl ammonium fluoride / tetrahydrofuran / 11 h
With
pyridine; 1H-imidazole; tetrabutyl ammonium fluoride; sodium methylate; sodium hydrogencarbonate; acetic acid; zinc;
In
tetrahydrofuran; methanol; dichloromethane;
DOI:10.1039/c4ob00874j