Technology Process of benzyl O-<4,6-O-benzylidene-3-O-(N-phenylcarbamoyl)-β-D-glucopyranosyl>-(1->4)-2-acetamido-3,6-di-O-benzyl-2-deoxy-α-D-glucopyranoside
There total 9 articles about benzyl O-<4,6-O-benzylidene-3-O-(N-phenylcarbamoyl)-β-D-glucopyranosyl>-(1->4)-2-acetamido-3,6-di-O-benzyl-2-deoxy-α-D-glucopyranoside which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 6 steps
1: 87 percent / 0.05 M H2SO4 / dioxane / 5 h / 100 °C
2: 93 percent / pyridine, 4-dimethylaminopyridine / 5 h / Ambient temperature
3: 82 percent / 33 percent HBr-AcOH / CHCl3 / 5.5 h / Ambient temperature
4: 1.) silver triflate, molecular sieves 4 Angstroem / 1.) dichloromethane, r.t., 1 h, then -40 deg C, 2.) dichloromethane, - 10 deg C
5: K2CO3 / methanol / 6 h / Ambient temperature
6: 54 percent HBF4 / dimethylformamide; diethyl ether / Ambient temperature
With
pyridine; dmap; tetrafluoroboric acid; 4 A molecular sieve; sulfuric acid; hydrogen bromide; silver trifluoromethanesulfonate; potassium carbonate; acetic acid;
In
1,4-dioxane; methanol; diethyl ether; chloroform; N,N-dimethyl-formamide;
DOI:10.1016/S0008-6215(00)90561-5
- Guidance literature:
-
Multi-step reaction with 8 steps
1: 92 percent / 4-dimethylaminopyridine / toluene / 3 h / 100 °C
2: aq. acetic acid
3: 87 percent / 0.05 M H2SO4 / dioxane / 5 h / 100 °C
4: 93 percent / pyridine, 4-dimethylaminopyridine / 5 h / Ambient temperature
5: 82 percent / 33 percent HBr-AcOH / CHCl3 / 5.5 h / Ambient temperature
6: 1.) silver triflate, molecular sieves 4 Angstroem / 1.) dichloromethane, r.t., 1 h, then -40 deg C, 2.) dichloromethane, - 10 deg C
7: K2CO3 / methanol / 6 h / Ambient temperature
8: 54 percent HBF4 / dimethylformamide; diethyl ether / Ambient temperature
With
pyridine; dmap; tetrafluoroboric acid; 4 A molecular sieve; sulfuric acid; hydrogen bromide; silver trifluoromethanesulfonate; potassium carbonate; acetic acid;
In
1,4-dioxane; methanol; diethyl ether; chloroform; N,N-dimethyl-formamide; toluene;
DOI:10.1016/S0008-6215(00)90561-5
- Guidance literature:
-
Multi-step reaction with 5 steps
1: 93 percent / pyridine, 4-dimethylaminopyridine / 5 h / Ambient temperature
2: 82 percent / 33 percent HBr-AcOH / CHCl3 / 5.5 h / Ambient temperature
3: 1.) silver triflate, molecular sieves 4 Angstroem / 1.) dichloromethane, r.t., 1 h, then -40 deg C, 2.) dichloromethane, - 10 deg C
4: K2CO3 / methanol / 6 h / Ambient temperature
5: 54 percent HBF4 / dimethylformamide; diethyl ether / Ambient temperature
With
pyridine; dmap; tetrafluoroboric acid; 4 A molecular sieve; hydrogen bromide; silver trifluoromethanesulfonate; potassium carbonate; acetic acid;
In
methanol; diethyl ether; chloroform; N,N-dimethyl-formamide;
DOI:10.1016/S0008-6215(00)90561-5