Technology Process of C40H54ClNO5
There total 7 articles about C40H54ClNO5 which
guide to synthetic route it.
The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:
synthetic route:
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374901-99-2
(3aR,5aR,5bR,7aR,9S,11aR,11bR,13aS)-9-acetoxy-1-iso propyl-5a,5b,8,8,8,11a-pentamethyl-2-oxo-2,3,4,5,5a,5b,6,7,7a,8,9,10,11,11a,11b,12,13,13a-octadecahydro-3aH-cyclopenta[a]chrysene-3a-carboxylic acid
- Guidance literature:
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With
benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine;
In
dichloromethane;
at 20 ℃;
for 1h;
- Guidance literature:
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Multi-step reaction with 7 steps
1: toluene / 3 h / 100 °C
2: acetic anhydride; hydrogen bromide; acetic acid / toluene / 1.5 h / 105 °C
3: acetic anhydride; acetic acid; sodium acetate; sodium dichromate / toluene / 60 °C
4: potassium hydroxide / toluene; ethanol / 0.5 h / 20 °C
5: pyridinium chlorochromate; silica gel / dichloromethane / 2 h / 20 °C
6: methylbutane; sodium dihydrogenphosphate; sodium chlorite / tert-butyl alcohol; water / 1 h / 20 °C
7: N-ethyl-N,N-diisopropylamine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol / dichloromethane / 1 h / 20 °C
With
sodium chlorite; sodium dihydrogenphosphate; sodium dichromate; methylbutane; hydrogen bromide; sodium acetate; acetic anhydride; silica gel; benzotriazol-1-ol; acetic acid; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine; pyridinium chlorochromate; potassium hydroxide;
In
ethanol; dichloromethane; water; toluene; tert-butyl alcohol;
- Guidance literature:
-
Multi-step reaction with 6 steps
1: acetic anhydride; hydrogen bromide; acetic acid / toluene / 1.5 h / 105 °C
2: acetic anhydride; acetic acid; sodium acetate; sodium dichromate / toluene / 60 °C
3: potassium hydroxide / toluene; ethanol / 0.5 h / 20 °C
4: pyridinium chlorochromate; silica gel / dichloromethane / 2 h / 20 °C
5: methylbutane; sodium dihydrogenphosphate; sodium chlorite / tert-butyl alcohol; water / 1 h / 20 °C
6: N-ethyl-N,N-diisopropylamine; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; benzotriazol-1-ol / dichloromethane / 1 h / 20 °C
With
sodium chlorite; sodium dihydrogenphosphate; sodium dichromate; methylbutane; hydrogen bromide; sodium acetate; acetic anhydride; silica gel; benzotriazol-1-ol; acetic acid; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; N-ethyl-N,N-diisopropylamine; pyridinium chlorochromate; potassium hydroxide;
In
ethanol; dichloromethane; water; toluene; tert-butyl alcohol;