Technology Process of 20-Benzoylamino-21-hydroxy-4,9(11),17(20)-pregnatrien-3-on
There total 8 articles about 20-Benzoylamino-21-hydroxy-4,9(11),17(20)-pregnatrien-3-on which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
potassium hydrogencarbonate;
In
methanol; water;
for 3h;
Heating;
- Guidance literature:
-
Multi-step reaction with 6 steps
1: 78 percent / TiCl4, pyridine / tetrahydrofuran; CCl4 / 1.) 0-5 deg C, 20 min.; 2.) 2 h, room temp.
2: Na/CH3OH / methanol
3: 93 percent / sodium dihydridobis(2-methoxyethoxy)aluminate (70percent) / toluene; tetrahydrofuran / 1 h / -5 °C
4: pyridine / benzene
5: 66 percent / HgO, BF3-Et2O / tetrahydrofuran; H2O / Ambient temperature
6: 69 percent / KHCO3 / methanol; H2O / 3 h / Heating
With
pyridine; methanol; boron trifluoride diethyl etherate; sodium; titanium tetrachloride; potassium hydrogencarbonate; sodium bis(2-methoxyethoxy)aluminium dihydride; mercury(II) oxide;
In
tetrahydrofuran; methanol; tetrachloromethane; water; toluene; benzene;
- Guidance literature:
-
Multi-step reaction with 7 steps
1: 66 percent / BF3-Et2O / methanol / 0.25 h / Ambient temperature
2: 78 percent / TiCl4, pyridine / tetrahydrofuran; CCl4 / 1.) 0-5 deg C, 20 min.; 2.) 2 h, room temp.
3: Na/CH3OH / methanol
4: 93 percent / sodium dihydridobis(2-methoxyethoxy)aluminate (70percent) / toluene; tetrahydrofuran / 1 h / -5 °C
5: pyridine / benzene
6: 66 percent / HgO, BF3-Et2O / tetrahydrofuran; H2O / Ambient temperature
7: 69 percent / KHCO3 / methanol; H2O / 3 h / Heating
With
pyridine; methanol; boron trifluoride diethyl etherate; sodium; titanium tetrachloride; potassium hydrogencarbonate; sodium bis(2-methoxyethoxy)aluminium dihydride; mercury(II) oxide;
In
tetrahydrofuran; methanol; tetrachloromethane; water; toluene; benzene;