Technology Process of 3,3a-dihydroxy-4,6-bis(benzyloxy)-2,3,3a,8a-tetrahydrofuro<2,3-b>benzofuran
There total 5 articles about 3,3a-dihydroxy-4,6-bis(benzyloxy)-2,3,3a,8a-tetrahydrofuro<2,3-b>benzofuran which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 2 steps
1: 42 percent / HBr / CH2Cl2 / 0.33 h / 25 °C
2: 1.) aq. oxalic acid, 2.) aq. sodium hydroxide / 1.) acetone, reflux, 0.5 h, 2.) tetrahydrofuran, 25 deg C, 23.5 h
With
sodium hydroxide; hydrogen bromide; oxalic acid;
In
dichloromethane;
DOI:10.1021/ja00402a039
- Guidance literature:
-
Multi-step reaction with 5 steps
1: 55 percent / aq. potassium hydroxide / methanol; H2O / 0.5 h / Heating
2: potassium iodide, potassium carbonate / dimethylformamide / 12 h / 25 °C
3: 95 percent / aq. potassium hydroxide / methanol; H2O / 18 h / Heating
4: 42 percent / HBr / CH2Cl2 / 0.33 h / 25 °C
5: 1.) aq. oxalic acid, 2.) aq. sodium hydroxide / 1.) acetone, reflux, 0.5 h, 2.) tetrahydrofuran, 25 deg C, 23.5 h
With
potassium hydroxide; sodium hydroxide; hydrogen bromide; oxalic acid; potassium carbonate; potassium iodide;
In
methanol; dichloromethane; water; N,N-dimethyl-formamide;
DOI:10.1021/ja00402a039
- Guidance literature:
-
Multi-step reaction with 4 steps
1: potassium iodide, potassium carbonate / dimethylformamide / 12 h / 25 °C
2: 95 percent / aq. potassium hydroxide / methanol; H2O / 18 h / Heating
3: 42 percent / HBr / CH2Cl2 / 0.33 h / 25 °C
4: 1.) aq. oxalic acid, 2.) aq. sodium hydroxide / 1.) acetone, reflux, 0.5 h, 2.) tetrahydrofuran, 25 deg C, 23.5 h
With
potassium hydroxide; sodium hydroxide; hydrogen bromide; oxalic acid; potassium carbonate; potassium iodide;
In
methanol; dichloromethane; water; N,N-dimethyl-formamide;
DOI:10.1021/ja00402a039