Technology Process of 11β-[4-(2-methylamino-ethoxy)-phenyl]-estra-1,3,5(10)-triene-3,17β-diol
There total 12 articles about 11β-[4-(2-methylamino-ethoxy)-phenyl]-estra-1,3,5(10)-triene-3,17β-diol which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
RU 39411;
With
carbonochloridic acid 1-chloro-ethyl ester;
In
dichloromethane;
at 0 ℃;
for 24.5h;
Reflux;
With
methanol;
for 3h;
Reflux;
DOI:10.1021/bc200645n
-
-
(11R,13S)-11-(4-(2-(dimethylamino)ethoxy)phenyl)-13-methyl-7,8,11,12,13,14,15,16-octahydro-1H-cyclopenta[a]phenanthrene-3,17(2H,6H)-dione
- Guidance literature:
-
Multi-step reaction with 4 steps
1.1: acetic anhydride / dichloromethane / 16 h / 20 °C
2.1: sodium tetrahydroborate / methanol / 1 h / 20 °C
3.1: sodium hydroxide / methanol / 16 h / 20 °C
4.1: carbonochloridic acid 1-chloro-ethyl ester / dichloromethane / 24.5 h / 0 °C / Reflux
4.2: 3 h / Reflux
With
sodium tetrahydroborate; carbonochloridic acid 1-chloro-ethyl ester; acetic anhydride; sodium hydroxide;
In
methanol; dichloromethane;
DOI:10.1021/bc200645n
- Guidance literature:
-
Multi-step reaction with 8 steps
1.1: pyridine; dihydrogen peroxide; Hexafluoroacetone / dichloromethane / 18 h / 0 - 20 °C
2.1: copper(l) iodide / tetrahydrofuran / 0.25 h / -10 °C / Inert atmosphere
2.2: 16 h / 20 °C / Inert atmosphere
3.1: water; acetic acid / 1.5 h / 50 - 60 °C
4.1: caesium carbonate / acetone / 16 h / 80 °C
5.1: acetic anhydride / dichloromethane / 16 h / 20 °C
6.1: sodium tetrahydroborate / methanol / 1 h / 20 °C
7.1: sodium hydroxide / methanol / 16 h / 20 °C
8.1: carbonochloridic acid 1-chloro-ethyl ester / dichloromethane / 24.5 h / 0 °C / Reflux
8.2: 3 h / Reflux
With
pyridine; sodium tetrahydroborate; copper(l) iodide; carbonochloridic acid 1-chloro-ethyl ester; water; dihydrogen peroxide; acetic anhydride; caesium carbonate; acetic acid; Hexafluoroacetone; sodium hydroxide;
In
tetrahydrofuran; methanol; dichloromethane; acetone;
DOI:10.1021/bc200645n