Technology Process of O-<2-(benzenesulfonamido)-3,4,6-tri-O-benzyl-2-deoxy-D-glucopyranosyl>-β-(1<*>6)-O-<2-(benzenesulfonamido)-3,4-di-O-benzyl-2-deoxy-D-glucopyranosyl>-β-(1<*>6)-1,2:3,4-di-O-isopropylidene-α-D-galactopyranose
There total 5 articles about O-<2-(benzenesulfonamido)-3,4,6-tri-O-benzyl-2-deoxy-D-glucopyranosyl>-β-(1<*>6)-O-<2-(benzenesulfonamido)-3,4-di-O-benzyl-2-deoxy-D-glucopyranosyl>-β-(1<*>6)-1,2:3,4-di-O-isopropylidene-α-D-galactopyranose 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:
-
Multi-step reaction with 4 steps
1: 78 percent / iodonium di-sym-collidine perchlorate, 4-A molecular sieves / CH2Cl2 / 0 °C
2: 1.) lithium tetramethylpiperidine, 2.) silver trifluoromethanesulfonate / 1.) THF, -78 deg C, 10 min, 2.) from -78 deg C to RT
3: 73 percent / iodonium di-sym-collidine perchlorate, 4-A molecular sieves / CH2Cl2 / 0 °C
4: 1.) lithium tetramethylpiperidine, 2.) silver trifluoromethanesulfonate / 1.) THF, -78 deg C, 10 min, 2.) from -78 deg C to RT, overnight
With
iodonium(di-γ-collidine) perchlorate; 4 A molecular sieve; 2,2,6,6-tetramethylpiperidinyl-lithium; silver trifluoromethanesulfonate;
In
dichloromethane;
DOI:10.1021/ja00171a021
- Guidance literature:
-
Multi-step reaction with 2 steps
1: 73 percent / iodonium di-sym-collidine perchlorate, 4-A molecular sieves / CH2Cl2 / 0 °C
2: 1.) lithium tetramethylpiperidine, 2.) silver trifluoromethanesulfonate / 1.) THF, -78 deg C, 10 min, 2.) from -78 deg C to RT, overnight
With
iodonium(di-γ-collidine) perchlorate; 4 A molecular sieve; 2,2,6,6-tetramethylpiperidinyl-lithium; silver trifluoromethanesulfonate;
In
dichloromethane;
DOI:10.1021/ja00171a021
- Guidance literature:
-
Multi-step reaction with 3 steps
1: 1.) lithium tetramethylpiperidine, 2.) silver trifluoromethanesulfonate / 1.) THF, -78 deg C, 10 min, 2.) from -78 deg C to RT
2: 73 percent / iodonium di-sym-collidine perchlorate, 4-A molecular sieves / CH2Cl2 / 0 °C
3: 1.) lithium tetramethylpiperidine, 2.) silver trifluoromethanesulfonate / 1.) THF, -78 deg C, 10 min, 2.) from -78 deg C to RT, overnight
With
iodonium(di-γ-collidine) perchlorate; 4 A molecular sieve; 2,2,6,6-tetramethylpiperidinyl-lithium; silver trifluoromethanesulfonate;
In
dichloromethane;
DOI:10.1021/ja00171a021