Technology Process of 9β-hydroxy-9,10-secocholesta-1,3,5(10)-triene
There total 24 articles about 9β-hydroxy-9,10-secocholesta-1,3,5(10)-triene which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 10 steps
1: 22 g / triphenylphosphine, diethyl azodicarboxylate / tetrahydrofuran / 15 h
2: 2.) KOH / 1.) chlorination, 2.) H2O, EtOH
3: 11 g / pyridine / 16 h / 25 °C
4: 5.9 g / phosphoryl chloride, pyridine / 20 h / 20 °C
5: 3.2 g / KOH / methanol; benzene / 12 h / 20 °C
6: Jones reagent / acetone / 0.17 h
7: H2SO4 / acetone / 16 h
8: 500 mg / dichlorodicyanobenzoquinone / benzene / 24 h / Heating
9: 90 percent / m-chloroperbenzoic acid / CH2Cl2
10: 190 mg / LiAlH4 / tetrahydrofuran / 16 h / Heating
With
pyridine; potassium hydroxide; lithium aluminium tetrahydride; jones reagent; sulfuric acid; 3-chloro-benzenecarboperoxoic acid; triphenylphosphine; 2,3-dicyano-5,6-dichloro-p-benzoquinone; diethylazodicarboxylate; trichlorophosphate;
In
tetrahydrofuran; methanol; dichloromethane; acetone; benzene;
- Guidance literature:
-
Multi-step reaction with 10 steps
1: 22 g / triphenylphosphine, diethyl azodicarboxylate / tetrahydrofuran / 15 h
2: 2.) KOH / 1.) chlorination, 2.) H2O, EtOH
3: 11 g / pyridine / 16 h / 25 °C
4: 5.9 g / phosphoryl chloride, pyridine / 20 h / 20 °C
5: 3.2 g / KOH / methanol; benzene / 12 h / 20 °C
6: Jones reagent / acetone / 0.17 h
7: H2SO4 / acetone / 16 h
8: 500 mg / dichlorodicyanobenzoquinone / benzene / 24 h / Heating
9: 90 percent / m-chloroperbenzoic acid / CH2Cl2
10: 300 mg / LiAlH4 / tetrahydrofuran / 16 h / Heating
With
pyridine; potassium hydroxide; lithium aluminium tetrahydride; jones reagent; sulfuric acid; 3-chloro-benzenecarboperoxoic acid; triphenylphosphine; 2,3-dicyano-5,6-dichloro-p-benzoquinone; diethylazodicarboxylate; trichlorophosphate;
In
tetrahydrofuran; methanol; dichloromethane; acetone; benzene;
- Guidance literature:
-
Multi-step reaction with 5 steps
1: 97 percent / Jones reagent / acetone
2: 150 mg / pyridinium hydrobromide perbromide / tetrahydrofuran / 1.) 0 deg C, 15 min, 2.) 20 deg C, 30 min
3: 127 mg / LiBr, Li2CO3 / dimethylformamide / 2 h / 135 °C
4: 90 percent / m-chloroperbenzoic acid / CH2Cl2
5: 190 mg / LiAlH4 / tetrahydrofuran / 16 h / Heating
With
lithium aluminium tetrahydride; jones reagent; pyridinium hydrobromide perbromide; lithium carbonate; 3-chloro-benzenecarboperoxoic acid; lithium bromide;
In
tetrahydrofuran; dichloromethane; N,N-dimethyl-formamide; acetone;