Technology Process of 17β-(2-Phenyl-1,3-oxazol-4-yl)-4,9(11)-androstadien-3-on-ethylendithioacetal
There total 6 articles about 17β-(2-Phenyl-1,3-oxazol-4-yl)-4,9(11)-androstadien-3-on-ethylendithioacetal which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
hydrogenchloride;
In
methanol;
Heating;
- Guidance literature:
-
Multi-step reaction with 4 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: 54 percent / HCl (5N) / methanol / Heating
With
pyridine; hydrogenchloride; methanol; sodium; titanium tetrachloride; sodium bis(2-methoxyethoxy)aluminium dihydride;
In
tetrahydrofuran; methanol; tetrachloromethane; toluene;
- Guidance literature:
-
Multi-step reaction with 5 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: 54 percent / HCl (5N) / methanol / Heating
With
pyridine; hydrogenchloride; methanol; boron trifluoride diethyl etherate; sodium; titanium tetrachloride; sodium bis(2-methoxyethoxy)aluminium dihydride;
In
tetrahydrofuran; methanol; tetrachloromethane; toluene;
