Technology Process of propyl 2,6-bis-O-(2-acetamido-3,4,6-tri-O-acetyl-β-D-glucopyranosyl)-3-O-benzyl-α-D-mannopyranoside
There total 8 articles about propyl 2,6-bis-O-(2-acetamido-3,4,6-tri-O-acetyl-β-D-glucopyranosyl)-3-O-benzyl-α-D-mannopyranoside which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 5 steps
1: 61 percent / 4A molecular sieves, MeOTf / CH2Cl2 / 15 h / Ambient temperature
2: 80 percent / AcOH / 0.5 h / 90 °C
3: 71 percent / 4A molecular sieves, MeOTf / CH2Cl2 / 12 h
4: NH2NH2*H2O / ethanol / 12 h / 100 °C
5: pyridine, 4-dimethylaminopyridine / 12 h / Ambient temperature
With
pyridine; dmap; 4 A molecular sieve; hydrazine hydrate; acetic acid; methyl trifluoromethanesulfonate;
In
ethanol; dichloromethane;
DOI:10.1016/0008-6215(94)00369-Q
- Guidance literature:
-
Multi-step reaction with 6 steps
1: 1.) n-Bu2SnO, 2.) n-Bu4NI, 3.) aq. KF
2: 61 percent / 4A molecular sieves, MeOTf / CH2Cl2 / 15 h / Ambient temperature
3: 80 percent / AcOH / 0.5 h / 90 °C
4: 71 percent / 4A molecular sieves, MeOTf / CH2Cl2 / 12 h
5: NH2NH2*H2O / ethanol / 12 h / 100 °C
6: pyridine, 4-dimethylaminopyridine / 12 h / Ambient temperature
With
pyridine; dmap; potassium fluoride; 4 A molecular sieve; tetra-(n-butyl)ammonium iodide; di(n-butyl)tin oxide; hydrazine hydrate; acetic acid; methyl trifluoromethanesulfonate;
In
ethanol; dichloromethane;
DOI:10.1016/0008-6215(94)00369-Q
- Guidance literature:
-
Multi-step reaction with 6 steps
1: 1.) n-Bu2SnO, 2.) n-Bu4NI, 3.) aq. KF
2: 61 percent / 4A molecular sieves, MeOTf / CH2Cl2 / 15 h / Ambient temperature
3: 80 percent / AcOH / 0.5 h / 90 °C
4: 71 percent / 4A molecular sieves, MeOTf / CH2Cl2 / 12 h
5: NH2NH2*H2O / ethanol / 12 h / 100 °C
6: pyridine, 4-dimethylaminopyridine / 12 h / Ambient temperature
With
pyridine; dmap; potassium fluoride; 4 A molecular sieve; tetra-(n-butyl)ammonium iodide; di(n-butyl)tin oxide; hydrazine hydrate; acetic acid; methyl trifluoromethanesulfonate;
In
ethanol; dichloromethane;
DOI:10.1016/0008-6215(94)00369-Q