Technology Process of methyl 3α,12α-diacetoxy-5β-chol-6-en-24-oate
There total 1 articles about methyl 3α,12α-diacetoxy-5β-chol-6-en-24-oate 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:
- Guidance literature:
-
Multi-step reaction with 4 steps
1.1: hydrogenchloride / Reflux
2.1: pyridine / dmap / dichloromethane / 12 h / 20 °C
3.1: bromine; acetic acid / 48 h / 20 °C
4.1: zinc(II) tetrahydroborate / benzene; diethyl ether / 22 h / 20 °C
4.2: 1 h / Reflux
With
pyridine; hydrogenchloride; zinc(II) tetrahydroborate; bromine; acetic acid;
dmap;
In
diethyl ether; dichloromethane; benzene;
- Guidance literature:
-
Multi-step reaction with 8 steps
1: 69 percent / N-bromoacetamide, 0.46M aq. HClO4, / dioxane / 0.25 h / 4 °C
2: 91 percent / Pb(OAc)4, I2, CaCO3 / benzene; cyclohexane / 0.33 h / 80 °C / Irradiation
3: 70 percent / Zn, CH3COOH / diethyl ether / 0.5 h / 100 °C
4: 82 percent / pyridine / 3 h
5: 94 percent / m-chloroperbenzoic acid / CH2Cl2 / 4 h
6: 71 percent / HBr, CH3COOH / CH2Cl2 / 2 h / Ambient temperature
7: 88 percent / Raney-Ni, EtOH, CH3COOH / 0.17 h / Heating
8: 70 percent / KOH / methanol / 12 h / Heating
With
pyridine; lead(IV) acetate; potassium hydroxide; perchloric acid; ethanol; hydrogen bromide; iodine; nickel; acetic acid; 3-chloro-benzenecarboperoxoic acid; calcium carbonate; zinc; N-bromoacetamide;
In
1,4-dioxane; methanol; diethyl ether; dichloromethane; cyclohexane; benzene;
DOI:10.1248/cpb.43.1551