Technology Process of (S)-2-{(4aS,12aR)-7-(2-tert-butyldiphenylsilyloxyethyl)-4a-ethyl-1,2,3,4,4a,5,6,12a-octahydroindolo[1,2-a][1,8]naphthyridin-1-yl}-2-phenylethanol
There total 10 articles about (S)-2-{(4aS,12aR)-7-(2-tert-butyldiphenylsilyloxyethyl)-4a-ethyl-1,2,3,4,4a,5,6,12a-octahydroindolo[1,2-a][1,8]naphthyridin-1-yl}-2-phenylethanol 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:
-
-
1275592-97-6
(S)-2-{(4aS,12aR)-7-(2-tert-butyldiphenylsilyloxyethyl)-4a-ethyl-1,2,3,4,4a,5,6,12a-octahydroindolo[1,2-a][1,8]naphthyridin-1-yl}-2-phenylethanol
- Guidance literature:
-
(3S,6R,8aR)-6-{2-[3-(2-tert-butyldiphenylsilyloxyethyl)-1H-indol-2-yl]ethyl}-6-ethyl-3-phenyl-2,3,6,7,8,8a-hexahydro-5H-oxazolo[3,2-a]pyridin-5-one;
With
sodium hydride;
In
diethyl ether; oil;
at 0 ℃;
for 0.5h;
Inert atmosphere;
With
diisobutylaluminium hydride;
In
diethyl ether; hexane; oil;
at 0 - 20 ℃;
Inert atmosphere;
DOI:10.1021/ol200320z
-
-
1275592-97-6
(S)-2-{(4aS,12aR)-7-(2-tert-butyldiphenylsilyloxyethyl)-4a-ethyl-1,2,3,4,4a,5,6,12a-octahydroindolo[1,2-a][1,8]naphthyridin-1-yl}-2-phenylethanol
- Guidance literature:
-
Multi-step reaction with 4 steps
1.1: copper(l) iodide; tris-(dibenzylideneacetone)dipalladium(0); trifuran-2-yl-phosphane; tetrabutyl-ammonium chloride / N,N-dimethyl-formamide / 2 h / 20 °C / Inert atmosphere
2.1: Hoveyda-Grubbs catalyst second generation / 5,5-dimethyl-1,3-cyclohexadiene / 3 h / 140 °C / Inert atmosphere
3.1: 5% Pd(II)/C(eggshell); hydrogen / ethyl acetate / 27 h / 20 °C / 760.05 Torr
4.1: sodium hydride / diethyl ether; oil / 0.5 h / 0 °C / Inert atmosphere
4.2: 0 - 20 °C / Inert atmosphere
With
tris-(dibenzylideneacetone)dipalladium(0); copper(l) iodide; Hoveyda-Grubbs catalyst second generation; trifuran-2-yl-phosphane; 5% Pd(II)/C(eggshell); tetrabutyl-ammonium chloride; hydrogen; sodium hydride;
In
5,5-dimethyl-1,3-cyclohexadiene; diethyl ether; ethyl acetate; N,N-dimethyl-formamide; oil;
1.1: Stille coupling;
DOI:10.1021/ol200320z
-
-
1275592-97-6
(S)-2-{(4aS,12aR)-7-(2-tert-butyldiphenylsilyloxyethyl)-4a-ethyl-1,2,3,4,4a,5,6,12a-octahydroindolo[1,2-a][1,8]naphthyridin-1-yl}-2-phenylethanol
- Guidance literature:
-
Multi-step reaction with 4 steps
1.1: copper(l) iodide; tris-(dibenzylideneacetone)dipalladium(0); trifuran-2-yl-phosphane; tetrabutyl-ammonium chloride / N,N-dimethyl-formamide / 2 h / 20 °C / Inert atmosphere
2.1: Hoveyda-Grubbs catalyst second generation / 5,5-dimethyl-1,3-cyclohexadiene / 3 h / 140 °C / Inert atmosphere
3.1: 5% Pd(II)/C(eggshell); hydrogen / ethyl acetate / 27 h / 20 °C / 760.05 Torr
4.1: sodium hydride / diethyl ether; oil / 0.5 h / 0 °C / Inert atmosphere
4.2: 0 - 20 °C / Inert atmosphere
With
tris-(dibenzylideneacetone)dipalladium(0); copper(l) iodide; Hoveyda-Grubbs catalyst second generation; trifuran-2-yl-phosphane; 5% Pd(II)/C(eggshell); tetrabutyl-ammonium chloride; hydrogen; sodium hydride;
In
5,5-dimethyl-1,3-cyclohexadiene; diethyl ether; ethyl acetate; N,N-dimethyl-formamide; oil;
1.1: Stille coupling;
DOI:10.1021/ol200320z