Technology Process of B-nor-cholesta-3,5-diene-6-(2,4-dinitrophenyl)hydrazone
There total 7 articles about B-nor-cholesta-3,5-diene-6-(2,4-dinitrophenyl)hydrazone which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
sulfuric acid;
In
methanol; diethyl ether;
for 0.75h;
- Guidance literature:
-
Multi-step reaction with 6 steps
1: 546 mg / ozone / CH2Cl2; methanol / 1.5 h / -40 - -35 °C
2: 3.35 g / p-toluenesulfonic acid monohydrate / methanol / 4 h / -23 °C
3: 74 percent / 1,8-diazabicyclo<5.4.0>undec-7-ene (DBU) / hexane / 19 h / Ambient temperature
4: 83 percent / 7percent oxalic acid, SiO2 / CH2Cl2; H2O / 2 h / Ambient temperature
5: 77 percent / Al2O3 / benzene / 7 h / Ambient temperature
6: 44 percent / concentrated sulfuric acid / diethyl ether; methanol / 0.75 h
With
aluminum oxide; sulfuric acid; oxalic acid; silica gel; toluene-4-sulfonic acid; ozone; 1,8-diazabicyclo[5.4.0]undec-7-ene;
In
methanol; diethyl ether; hexane; dichloromethane; water; benzene;
- Guidance literature:
-
Multi-step reaction with 5 steps
1: 3.35 g / p-toluenesulfonic acid monohydrate / methanol / 4 h / -23 °C
2: 74 percent / 1,8-diazabicyclo<5.4.0>undec-7-ene (DBU) / hexane / 19 h / Ambient temperature
3: 83 percent / 7percent oxalic acid, SiO2 / CH2Cl2; H2O / 2 h / Ambient temperature
4: 77 percent / Al2O3 / benzene / 7 h / Ambient temperature
5: 44 percent / concentrated sulfuric acid / diethyl ether; methanol / 0.75 h
With
aluminum oxide; sulfuric acid; oxalic acid; silica gel; toluene-4-sulfonic acid; 1,8-diazabicyclo[5.4.0]undec-7-ene;
In
methanol; diethyl ether; hexane; dichloromethane; water; benzene;