METHYL 4-AZA-5ALPHA-ANDROSTA-3-ONE-17BETA-CARBOXYLATE synthesis
- Product Name:METHYL 4-AZA-5ALPHA-ANDROSTA-3-ONE-17BETA-CARBOXYLATE
- CAS Number:73671-92-8
- Molecular formula:C20H31NO3
- Molecular Weight:333.46
57-83-0
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Yield:-
Steps:
Multi-step reaction with 7 steps
1: potassium carbonate; sodium periodate; potassium permanganate / tert-butyl alcohol; water / 1 h / 50 °C
2: triethylamine / tetrahydrofuran / 2 h / -5 - -2 °C / Inert atmosphere
3: ammonium acetate / tetrahydrofuran / 1 h / Reflux; Inert atmosphere
4: hydrogenchloride / water; tetrahydrofuran / 1 h / -15 - 0 °C
5: hydrogen; palladium 10% on activated carbon; triethylamine / 6225.62 Torr
6: sodium hydroxide; bromine / water; 1,4-dioxane / 3 h / 5 - 7 °C
7: hydrogenchloride / methanol / 3 h / 20 °C / Reflux
References:
RICHTER GEDEON NYRT.;SÖRÖS, Béla;TUBA, Zoltán;GÁLIK, György;MAHÓ, Sándor;BALOGH, László;VINCZE, Péter;HORVÁTH, János;KOVÁCS, András;BÉNI, Zoltán;VARGA, Frigyes WO2013/1322, 2013, A1
103335-41-7
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