Technology Process of benzyl 4-O-(imidazol-1-ylsulfonyl)-2,3-O-isopropylidene-β-L-xylopyranoside
There total 5 articles about benzyl 4-O-(imidazol-1-ylsulfonyl)-2,3-O-isopropylidene-β-L-xylopyranoside which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
lithium hexamethyldisilazane;
In
tetrahydrofuran;
at -30 - 20 ℃;
for 1h;
DOI:10.1071/CH06241
- Guidance literature:
-
Multi-step reaction with 4 steps
1.1: BF3*OEt2; molecular sieves 3 Angstroem / CH2Cl2 / 4 h
1.2: acetic anhydride; pyridine / CH2Cl2 / 2 h
2.1: 26.2 g / sodium / methanol / 3 h
3.1: 60 percent / hydrogen chloride / methanol; dimethylformamide / 1 h / 20 °C
4.1: 72 percent / sodium hydride / dimethylformamide / 0.5 h
With
hydrogenchloride; 3 A molecular sieve; boron trifluoride diethyl etherate; sodium; sodium hydride;
In
methanol; dichloromethane; N,N-dimethyl-formamide;
DOI:10.1139/v02-060
- Guidance literature:
-
Multi-step reaction with 2 steps
1: 60 percent / hydrogen chloride / methanol; dimethylformamide / 1 h / 20 °C
2: 72 percent / sodium hydride / dimethylformamide / 0.5 h
With
hydrogenchloride; sodium hydride;
In
methanol; N,N-dimethyl-formamide;
DOI:10.1139/v02-060
