Technology Process of Allyl-3,6-di-O-benzyl-2-desoxy-4-O-(2,3-di-O-benzyl-4,6-O-benzyliden-β-D-galactopyranosyl)-2-phthalimido-β-D-glucopyranosid
There total 10 articles about Allyl-3,6-di-O-benzyl-2-desoxy-4-O-(2,3-di-O-benzyl-4,6-O-benzyliden-β-D-galactopyranosyl)-2-phthalimido-β-D-glucopyranosid which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 8 steps
1: 1.) Ce(NO3)4*2NH4NO3, NaN3, 2.) LiNO3 / 2.) acetonitrile, DMF, 2 d, room temp.
2: 33 percent / Na / 0.25 h
3: 4.7 g / p-toluenesulfonic / acetonitrile / 3 h / Ambient temperature
4: 4.40 g / NaH / dimethylformamide / 2 h / Ambient temperature
5: 75 percent / H2S / pyridine; H2O / 4.5 h / 60 °C
6: 4.05 g / 5percent HCl / methanol / pH 3-4
7: 3.88 g / Amberlite IRA-400, OH(1-) / methanol
8: 1.) Et3N, 2.) acetic anhydride / 1.) 16 h, room temp., 2.) 18 h, room temp., ca. 90 min, 90 deg C
With
ammonium nitrate; hydrogenchloride; cerium nitrate; sodium azide; Amberlite IRA-400; hydrogen sulfide; lithium nitrate; hydroxide; sodium; acetic anhydride; sodium hydride; toluene-4-sulfonic acid; triethylamine;
In
pyridine; methanol; water; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1016/S0008-6215(00)90670-0
- Guidance literature:
-
Multi-step reaction with 6 steps
1: 4.7 g / p-toluenesulfonic / acetonitrile / 3 h / Ambient temperature
2: 4.40 g / NaH / dimethylformamide / 2 h / Ambient temperature
3: 75 percent / H2S / pyridine; H2O / 4.5 h / 60 °C
4: 4.05 g / 5percent HCl / methanol / pH 3-4
5: 3.88 g / Amberlite IRA-400, OH(1-) / methanol
6: 1.) Et3N, 2.) acetic anhydride / 1.) 16 h, room temp., 2.) 18 h, room temp., ca. 90 min, 90 deg C
With
hydrogenchloride; Amberlite IRA-400; hydrogen sulfide; hydroxide; acetic anhydride; sodium hydride; toluene-4-sulfonic acid; triethylamine;
In
pyridine; methanol; water; N,N-dimethyl-formamide; acetonitrile;
DOI:10.1016/S0008-6215(00)90670-0
- Guidance literature:
-
Multi-step reaction with 8 steps
1: 58 percent / silversilicate, molecular sieve (4 Angstroem) / CH2Cl2; toluene / 1.) -15 deg C, 15 h, 2.) room temp., 2 d
2: 91 percent / NaOMe / methanol / 1 h
3: 4.7 g / p-toluenesulfonic / acetonitrile / 3 h / Ambient temperature
4: 4.40 g / NaH / dimethylformamide / 2 h / Ambient temperature
5: 75 percent / H2S / pyridine; H2O / 4.5 h / 60 °C
6: 4.05 g / 5percent HCl / methanol / pH 3-4
7: 3.88 g / Amberlite IRA-400, OH(1-) / methanol
8: 1.) Et3N, 2.) acetic anhydride / 1.) 16 h, room temp., 2.) 18 h, room temp., ca. 90 min, 90 deg C
With
hydrogenchloride; silversilicate; 4 A molecular sieve; Amberlite IRA-400; hydrogen sulfide; hydroxide; sodium methylate; acetic anhydride; sodium hydride; toluene-4-sulfonic acid; triethylamine;
In
pyridine; methanol; dichloromethane; water; N,N-dimethyl-formamide; toluene; acetonitrile;
DOI:10.1016/S0008-6215(00)90670-0