Technology Process of 2,3,4,5-tetra-O-benzyl-6-deoxy-6-oxo-D-glucose propane-1,3-diyl dithioacetal
There total 5 articles about 2,3,4,5-tetra-O-benzyl-6-deoxy-6-oxo-D-glucose propane-1,3-diyl dithioacetal which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
2,3,4,5-tetra-O-benzyl-D-glucose propane-1,3-diyl dithioacetal;
With
oxalyl dichloride;
In
dichloromethane; dimethyl sulfoxide;
at -70 ℃;
for 0.333333h;
With
triethylamine;
In
dichloromethane; dimethyl sulfoxide;
at -70 - 20 ℃;
for 1.25h;
DOI:10.1021/jo400130p
- Guidance literature:
-
Multi-step reaction with 4 steps
1.1: dmap / pyridine / 48 h / 35 °C
2.1: sodium hydride / tetrahydrofuran; mineral oil; N,N-dimethyl-formamide / 0.5 h / 20 °C
2.2: 20 °C
3.1: sulfuric acid; methanol / dichloromethane / 20 °C
4.1: oxalyl dichloride / dichloromethane; dimethyl sulfoxide / 0.33 h / -70 °C
4.2: 1.25 h / -70 - 20 °C
With
methanol; dmap; oxalyl dichloride; sulfuric acid; sodium hydride;
In
tetrahydrofuran; pyridine; dichloromethane; dimethyl sulfoxide; N,N-dimethyl-formamide; mineral oil;
DOI:10.1021/jo400130p
- Guidance literature:
-
Multi-step reaction with 5 steps
1.1: hydrogenchloride; water / 20 °C
2.1: dmap / pyridine / 48 h / 35 °C
3.1: sodium hydride / tetrahydrofuran; mineral oil; N,N-dimethyl-formamide / 0.5 h / 20 °C
3.2: 20 °C
4.1: sulfuric acid; methanol / dichloromethane / 20 °C
5.1: oxalyl dichloride / dichloromethane; dimethyl sulfoxide / 0.33 h / -70 °C
5.2: 1.25 h / -70 - 20 °C
With
hydrogenchloride; methanol; dmap; oxalyl dichloride; sulfuric acid; water; sodium hydride;
In
tetrahydrofuran; pyridine; dichloromethane; dimethyl sulfoxide; N,N-dimethyl-formamide; mineral oil;
DOI:10.1021/jo400130p