Technology Process of acetic acid (5S,6S,7R,8S)-7,8-diacetoxy-5-[4-chloro-3-(4-hydroxy-3-nitro-benzyl)-phenyl]-4-oxa-spiro[2.5]oct-6-yl ester
There total 14 articles about acetic acid (5S,6S,7R,8S)-7,8-diacetoxy-5-[4-chloro-3-(4-hydroxy-3-nitro-benzyl)-phenyl]-4-oxa-spiro[2.5]oct-6-yl ester 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:
-
acetic acid (5S,6S,7R,8S)-7,8-diacetoxy-5-[4-chloro-3-(4-hydroxy-benzyl)-phenyl]-4-oxa-spiro[2.5]oct-6-yl ester;
With
nitric acid;
In
dichloromethane; water;
With
tetrabutylammomium bromide;
In
dichloromethane; water;
at 20 ℃;
- Guidance literature:
-
Multi-step reaction with 8 steps
1.1: 1H-imidazole; triphenylphosphine; iodine / dichloromethane / 18 h / 0 °C / Reflux
2.1: sodium methylate / methanol / 0 - 45 °C
3.1: sodium hydride / N,N-dimethyl-formamide / 0 - 20 °C
3.2: 18 h / 20 °C
4.1: diethylzinc / hexane; diethyl ether / 8 h / 20 - 40 °C
5.1: hydrogenchloride; hydrogen; water / palladium 10% on activated carbon / methanol / 18 h / 20 °C
6.1: dmap; pyridine / dichloromethane / 20 °C
7.1: boron tribromide / dichloromethane / -78 - -15 °C
8.1: nitric acid / dichloromethane; water
8.2: 20 °C
With
pyridine; 1H-imidazole; hydrogenchloride; dmap; water; hydrogen; iodine; diethylzinc; nitric acid; sodium methylate; boron tribromide; sodium hydride; triphenylphosphine;
palladium 10% on activated carbon;
In
methanol; diethyl ether; hexane; dichloromethane; water; N,N-dimethyl-formamide;
- Guidance literature:
-
Multi-step reaction with 7 steps
1.1: sodium methylate / methanol / 0 - 45 °C
2.1: sodium hydride / N,N-dimethyl-formamide / 0 - 20 °C
2.2: 18 h / 20 °C
3.1: diethylzinc / hexane; diethyl ether / 8 h / 20 - 40 °C
4.1: hydrogenchloride; hydrogen; water / palladium 10% on activated carbon / methanol / 18 h / 20 °C
5.1: dmap; pyridine / dichloromethane / 20 °C
6.1: boron tribromide / dichloromethane / -78 - -15 °C
7.1: nitric acid / dichloromethane; water
7.2: 20 °C
With
pyridine; hydrogenchloride; dmap; water; hydrogen; diethylzinc; nitric acid; sodium methylate; boron tribromide; sodium hydride;
palladium 10% on activated carbon;
In
methanol; diethyl ether; hexane; dichloromethane; water; N,N-dimethyl-formamide;