Technology Process of methyl (2,3-di-O-benzoyl-5-O-levulinyl-α-D-arabinofuranosyl)-(1->5)-2,3-di-O-benzoyl-α-D-arabinofuranoside
There total 6 articles about methyl (2,3-di-O-benzoyl-5-O-levulinyl-α-D-arabinofuranosyl)-(1->5)-2,3-di-O-benzoyl-α-D-arabinofuranoside which
guide to synthetic route it.
The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:
synthetic route:
- Guidance literature:
-
With
2,6-di-tert-butyl-4-methylpyridine; trifluoromethylsulfonic anhydride; 4 A molecular sieve;
In
dichloromethane;
at -78 - 0 ℃;
for 2h;
DOI:10.1021/ol0510668
- Guidance literature:
-
Multi-step reaction with 4 steps
1: acetyl bromide; trifluoroacetic acid / CH2Cl2 / 2 h / 20 °C
2: 3.09 g / HgBr2; Hg(CN)2 / acetonitrile / 0.5 h / 20 °C
3: 88 percent / H2 / Pd(OH)2 / methanol; ethyl acetate / 0.33 h / 20 °C
4: 84 percent / 2,6-di-tert-butyl-4-methylpyridine; molecular sieves 4 Angstroem; Tf2O / CH2Cl2 / 2 h / -78 - 0 °C
With
2,6-di-tert-butyl-4-methylpyridine; Acetyl bromide; trifluoromethylsulfonic anhydride; 4 A molecular sieve; hydrogen; mercury(II) cyanide; trifluoroacetic acid; mercury dibromide;
palladium dihydroxide;
In
methanol; dichloromethane; ethyl acetate; acetonitrile;
DOI:10.1021/ol0510668
- Guidance literature:
-
Multi-step reaction with 3 steps
1: 3.09 g / HgBr2; Hg(CN)2 / acetonitrile / 0.5 h / 20 °C
2: 88 percent / H2 / Pd(OH)2 / methanol; ethyl acetate / 0.33 h / 20 °C
3: 84 percent / 2,6-di-tert-butyl-4-methylpyridine; molecular sieves 4 Angstroem; Tf2O / CH2Cl2 / 2 h / -78 - 0 °C
With
2,6-di-tert-butyl-4-methylpyridine; trifluoromethylsulfonic anhydride; 4 A molecular sieve; hydrogen; mercury(II) cyanide; mercury dibromide;
palladium dihydroxide;
In
methanol; dichloromethane; ethyl acetate; acetonitrile;
DOI:10.1021/ol0510668