Technology Process of dodecyl 2-O-acetyl-3-O-benzyl-4,6-di-O-methanesulfonyl-5a-carba-β-D-glucopyranosyl-(1->4)-2,3,6-tri-O-benzyl-β-D-glucopyranoside
There total 16 articles about dodecyl 2-O-acetyl-3-O-benzyl-4,6-di-O-methanesulfonyl-5a-carba-β-D-glucopyranosyl-(1->4)-2,3,6-tri-O-benzyl-β-D-glucopyranoside 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 12 steps
1: NaOMe / methanol / 20 °C
2: p-TsOH*H2O / dimethylformamide / 4.5 h / 50 °C
3: 10.1 g / NaH / dimethylformamide / 0 - 20 °C
4: 95 percent / BH3*Et2O; AlCl3; molecular sieves / tetrahydrofuran / 21 h / 20 °C
5: 96 percent Turnov. / NaH; 15-crown-5 / dimethylformamide / 120 h / 70 °C
6: 100 percent / pyridine / 20 °C
7: 98 percent / DMSO; Ac2O / 11 h / 20 °C
8: 67 percent / DBU / toluene / 1 h / 70 °C
9: 220 mg / BH3*Et2O / tetrahydrofuran / 16 h / 0 - 20 °C
10: 136 mg / pyridine / 20 °C
11: 805 mg / aq. AcOH / 10 h / 70 °C
12: 888 mg / pyridine / 14 h / 0 - 20 °C
With
pyridine; aluminium trichloride; molecular sieve; tetrafluoroboric acid-diethyl ether complex; 15-crown-5; sodium methylate; acetic anhydride; sodium hydride; toluene-4-sulfonic acid; acetic acid; dimethyl sulfoxide; 1,8-diazabicyclo[5.4.0]undec-7-ene;
In
tetrahydrofuran; methanol; N,N-dimethyl-formamide; toluene;
DOI:10.1016/S0008-6215(02)00294-X
- Guidance literature:
-
Multi-step reaction with 13 steps
1: silver perchlorate; silver carbonate; molecular sieves / CH2Cl2
2: NaOMe / methanol / 20 °C
3: p-TsOH*H2O / dimethylformamide / 4.5 h / 50 °C
4: 10.1 g / NaH / dimethylformamide / 0 - 20 °C
5: 95 percent / BH3*Et2O; AlCl3; molecular sieves / tetrahydrofuran / 21 h / 20 °C
6: 96 percent Turnov. / NaH; 15-crown-5 / dimethylformamide / 120 h / 70 °C
7: 100 percent / pyridine / 20 °C
8: 98 percent / DMSO; Ac2O / 11 h / 20 °C
9: 67 percent / DBU / toluene / 1 h / 70 °C
10: 220 mg / BH3*Et2O / tetrahydrofuran / 16 h / 0 - 20 °C
11: 136 mg / pyridine / 20 °C
12: 805 mg / aq. AcOH / 10 h / 70 °C
13: 888 mg / pyridine / 14 h / 0 - 20 °C
With
pyridine; aluminium trichloride; molecular sieve; tetrafluoroboric acid-diethyl ether complex; 15-crown-5; sodium methylate; silver perchlorate; acetic anhydride; sodium hydride; toluene-4-sulfonic acid; acetic acid; dimethyl sulfoxide; 1,8-diazabicyclo[5.4.0]undec-7-ene; silver carbonate;
In
tetrahydrofuran; methanol; dichloromethane; N,N-dimethyl-formamide; toluene;
DOI:10.1016/S0008-6215(02)00294-X
- Guidance literature:
-
Multi-step reaction with 9 steps
1: NaH / dimethylformamide / 0 - 20 °C
2: 96 percent Turnov. / NaH; 15-crown-5 / dimethylformamide / 120 h / 70 °C
3: 100 percent / pyridine / 20 °C
4: 98 percent / DMSO; Ac2O / 11 h / 20 °C
5: 67 percent / DBU / toluene / 1 h / 70 °C
6: 220 mg / BH3*Et2O / tetrahydrofuran / 16 h / 0 - 20 °C
7: 136 mg / pyridine / 20 °C
8: 805 mg / aq. AcOH / 10 h / 70 °C
9: 888 mg / pyridine / 14 h / 0 - 20 °C
With
pyridine; tetrafluoroboric acid-diethyl ether complex; 15-crown-5; acetic anhydride; sodium hydride; acetic acid; dimethyl sulfoxide; 1,8-diazabicyclo[5.4.0]undec-7-ene;
In
tetrahydrofuran; N,N-dimethyl-formamide; toluene;
DOI:10.1016/S0008-6215(02)00294-X