Technology Process of (2R*S*,,3R*,4R*)-2,3-dimethyl-4-(tetrahydropyran-2-yloxy)cyclohexanone
There total 10 articles about (2R*S*,,3R*,4R*)-2,3-dimethyl-4-(tetrahydropyran-2-yloxy)cyclohexanone which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
pyridinium p-toluenesulfonate;
In
dichloromethane;
for 20h;
Ambient temperature;
- Guidance literature:
-
Multi-step reaction with 7 steps
1: 99 percent / H2 / Raney nickel (W-7) / methanol / 4 h / 130 °C / 95616.1 Torr
2: 8N Jones chromic acid reagent / acetone / 1 h / Ambient temperature
3: p-toluenesulfonic acid monohydrate / benzene / 20 h / Heating; azeotropic removal of water
4: p-toluenesulfonic acid monohydrate, H2O / acetone / 2 h / Heating
5: 86 percent / Na, isopropyl alcohol / toluene / 1 h / Heating
6: 85 percent / 0.5N HCl / tetrahydrofuran / 1 h / Heating
7: 97 percent / pyridinium p-toluenesulfonate / CH2Cl2 / 20 h / Ambient temperature
With
hydrogenchloride; water; hydrogen; sodium; pyridinium p-toluenesulfonate; chromic acid; toluene-4-sulfonic acid; isopropyl alcohol;
Raney nickel (W-7);
In
tetrahydrofuran; methanol; dichloromethane; acetone; toluene; benzene;
- Guidance literature:
-
Multi-step reaction with 5 steps
1: 68 percent / TosOH
2: 68 percent
4: 85 percent / 0.5N HCl / tetrahydrofuran / 1 h / Heating
5: 97 percent / pyridinium p-toluenesulfonate / CH2Cl2 / 20 h / Ambient temperature
With
hydrogenchloride; pyridinium p-toluenesulfonate; toluene-4-sulfonic acid;
In
tetrahydrofuran; dichloromethane;