Technology Process of ethyl 2,3,6-tri-O-benzyl-4-O-(2,3-di-O-benzyl-β-D-glucopyranosyl)-1-thio-β-D-glucopyranoside
There total 10 articles about ethyl 2,3,6-tri-O-benzyl-4-O-(2,3-di-O-benzyl-β-D-glucopyranosyl)-1-thio-β-D-glucopyranoside which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
acetic acid;
at 100 ℃;
for 1h;
- Guidance literature:
-
Multi-step reaction with 6 steps
1: 1.) NaH / 1.) DMF, RT, 1 h, 2.) DMF, RT, 4 h
2: 72 percent / NaBH3CN, mol. sieve 3A, HCl gas / tetrahydrofuran; diethyl ether / 0.17 h / Ambient temperature
3: 90 percent / 1.) mol. sieve 4A, 2.) silver triflate, sym-collidine / CH2Cl2 / 5.5 h / -40 °C
4: 81 percent / MeONa / methanol / 16 h / Ambient temperature
5: 1.) NaH / 1.) DMF, RT, 2.) DMF, RT, 16 h
6: 73 percent / 80percent aq. AcOH / 1 h / 100 °C
With
2,4,6-trimethyl-pyridine; hydrogenchloride; 3 A molecular sieve; 4 A molecular sieve; sodium methylate; silver trifluoromethanesulfonate; sodium hydride; sodium cyanoborohydride; acetic acid;
In
tetrahydrofuran; methanol; diethyl ether; dichloromethane;
- Guidance literature:
-
Multi-step reaction with 6 steps
1: 1.) NaH / 1.) DMF, RT, 1 h, 2.) DMF, RT, 4 h
2: 72 percent / NaBH3CN, mol. sieve 3A, HCl gas / tetrahydrofuran; diethyl ether / 0.17 h / Ambient temperature
3: 90 percent / 1.) mol. sieve 4A, 2.) silver triflate, sym-collidine / CH2Cl2 / 5.5 h / -40 °C
4: 81 percent / MeONa / methanol / 16 h / Ambient temperature
5: 1.) NaH / 1.) DMF, RT, 2.) DMF, RT, 16 h
6: 73 percent / 80percent aq. AcOH / 1 h / 100 °C
With
2,4,6-trimethyl-pyridine; hydrogenchloride; 3 A molecular sieve; 4 A molecular sieve; sodium methylate; silver trifluoromethanesulfonate; sodium hydride; sodium cyanoborohydride; acetic acid;
In
tetrahydrofuran; methanol; diethyl ether; dichloromethane;