Technology Process of (5S,6S,7R,8S)-5-(4-chloro-3-(4-(pyrrolidin-1-yl)benzyl)phenyl)-4-oxaspiro[2.5]octane-6,7,8-triyl triacetate
There total 15 articles about (5S,6S,7R,8S)-5-(4-chloro-3-(4-(pyrrolidin-1-yl)benzyl)phenyl)-4-oxaspiro[2.5]octane-6,7,8-triyl triacetate 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-trifluoromethanesulfonyloxy-benzyl)-phenyl]-4-oxa-spiro[2.5]oct-6-ylester.;
With
johnphos; sodium t-butanolate;
palladium diacetate;
In
toluene;
for 0.25h;
Inert atmosphere;
pyrrolidine;
In
toluene;
for 0.25h;
Inert atmosphere;
- Guidance literature:
-
Multi-step reaction with 9 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: pyridine / 0 - 20 °C
9.1: sodium t-butanolate; johnphos / palladium diacetate / toluene / 0.25 h / Inert atmosphere
9.2: 0.25 h / Inert atmosphere
With
pyridine; 1H-imidazole; hydrogenchloride; dmap; water; hydrogen; iodine; diethylzinc; sodium methylate; boron tribromide; sodium hydride; triphenylphosphine; johnphos; sodium t-butanolate;
palladium 10% on activated carbon; palladium diacetate;
In
methanol; diethyl ether; hexane; dichloromethane; N,N-dimethyl-formamide; toluene;
- Guidance literature:
-
Multi-step reaction with 8 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: pyridine / 0 - 20 °C
8.1: sodium t-butanolate; johnphos / palladium diacetate / toluene / 0.25 h / Inert atmosphere
8.2: 0.25 h / Inert atmosphere
With
pyridine; hydrogenchloride; dmap; water; hydrogen; diethylzinc; sodium methylate; boron tribromide; sodium hydride; johnphos; sodium t-butanolate;
palladium 10% on activated carbon; palladium diacetate;
In
methanol; diethyl ether; hexane; dichloromethane; N,N-dimethyl-formamide; toluene;