Technology Process of phenyl 2,3-di-O-benzyl-4,6-O-benzylidene-β-D-mannopyranosyl-(1->4)-2,3-di-O-benzoyl-1-thio-β-D-xylopyranoside
There total 3 articles about phenyl 2,3-di-O-benzyl-4,6-O-benzylidene-β-D-mannopyranosyl-(1->4)-2,3-di-O-benzoyl-1-thio-β-D-xylopyranoside which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
phenyl 2,3-di-O-benzyl-4,6-O-benzylidene-β-D-mannopyranosyl-(1->4)-2,3-O-isopropylidene-1-thio-β-D-xylopyranoside;
With
acetic acid;
at 65 ℃;
for 3h;
benzoyl chloride;
With
pyridine;
at 0 ℃;
for 2h;
DOI:10.1021/jo201780e
- Guidance literature:
-
Multi-step reaction with 2 steps
1.1: 1-benzenesulfinyl piperidine; trifluoromethylsulfonic anhydride; 2,4,6-tri-tert-butylpyrimidine / dichloromethane / 0.5 h / -65 - -60 °C / Molecular sieve; Inert atmosphere
1.2: 0.08 h / -78 °C / Molecular sieve; Inert atmosphere
1.3: 2.5 h / -60 °C / Molecular sieve; Inert atmosphere
2.1: acetic acid / 3 h / 65 °C
2.2: 2 h / 0 °C
With
1-benzenesulfinyl piperidine; trifluoromethylsulfonic anhydride; acetic acid; 2,4,6-tri-tert-butylpyrimidine;
In
dichloromethane;
DOI:10.1021/jo201780e
- Guidance literature:
-
Multi-step reaction with 2 steps
1.1: 1-benzenesulfinyl piperidine; trifluoromethylsulfonic anhydride; 2,4,6-tri-tert-butylpyrimidine / dichloromethane / 0.5 h / -65 - -60 °C / Molecular sieve; Inert atmosphere
1.2: 0.08 h / -78 °C / Molecular sieve; Inert atmosphere
1.3: 2.5 h / -60 °C / Molecular sieve; Inert atmosphere
2.1: acetic acid / 3 h / 65 °C
2.2: 2 h / 0 °C
With
1-benzenesulfinyl piperidine; trifluoromethylsulfonic anhydride; acetic acid; 2,4,6-tri-tert-butylpyrimidine;
In
dichloromethane;
DOI:10.1021/jo201780e