Technology Process of 2,5-diazido-3-O-(4-azido-2,3-di-O-benzyl-4-deoxy-α-D-glucopyranosyl)-2,5-dideoxy-L-iditol
There total 12 articles about 2,5-diazido-3-O-(4-azido-2,3-di-O-benzyl-4-deoxy-α-D-glucopyranosyl)-2,5-dideoxy-L-iditol which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 9 steps
1: 75.5 percent / KOH / dimethylformamide / 2 h / 30 - 35 °C
2: 92.3 percent / 75percent CH3COOH / 0.5 h / 100 °C
3: 74 percent / pyridine / 5 deg C, then room t.
4: 96.3 percent / pyridine / 4 h / 30 - 32 °C
5: 84 percent / NaN3 / dimethylformamide / 2 h / 120 - 125 °C
6: 74.5 percent / conc. H2SO4 / 1 h / Ambient temperature
7: 83 percent / Cl2CHOCH3 / ZnCl2 / 20 h / Heating
8: 24 percent / molecular sieves(5 Angstroem) / HgO, HgBr2 / CH2Cl2 / 1 h, room t., then 20 h, room t. and 40 h, reflux
9: 65 percent / 1M NaOMe/MeOH / 0.5 h / 40 °C
With
pyridine; methanol; potassium hydroxide; sodium azide; Dichloromethyl methyl ether; 5A molecular sieve; sulfuric acid; sodium methylate; acetic acid;
mercury dibromide; mercury(II) oxide; zinc(II) chloride;
In
dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/0008-6215(89)84037-6
- Guidance literature:
-
Multi-step reaction with 9 steps
1: 75.5 percent / KOH / dimethylformamide / 2 h / 30 - 35 °C
2: 92.3 percent / 75percent CH3COOH / 0.5 h / 100 °C
3: 74 percent / pyridine / 5 deg C, then room t.
4: 96.3 percent / pyridine / 4 h / 30 - 32 °C
5: 84 percent / NaN3 / dimethylformamide / 2 h / 120 - 125 °C
6: 74.5 percent / conc. H2SO4 / 1 h / Ambient temperature
7: 83 percent / Cl2CHOCH3 / ZnCl2 / 20 h / Heating
8: 24 percent / molecular sieves(5 Angstroem) / HgO, HgBr2 / CH2Cl2 / 1 h, room t., then 20 h, room t. and 40 h, reflux
9: 65 percent / 1M NaOMe/MeOH / 0.5 h / 40 °C
With
pyridine; methanol; potassium hydroxide; sodium azide; Dichloromethyl methyl ether; 5A molecular sieve; sulfuric acid; sodium methylate; acetic acid;
mercury dibromide; mercury(II) oxide; zinc(II) chloride;
In
dichloromethane; N,N-dimethyl-formamide;
DOI:10.1016/0008-6215(89)84037-6