成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

Welcome to chemicalbook!
Chinese English Japanese Germany Korea
400-158-6606
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

ChemicalBook CAS DataBase List METHYL 4-AZA-5ALPHA-ANDROSTA-3-ONE-17BETA-CARBOXYLATE
73671-92-8

METHYL 4-AZA-5ALPHA-ANDROSTA-3-ONE-17BETA-CARBOXYLATE synthesis

8synthesis methods
-

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.;S?R?S, Béla;TUBA, Zoltán;GáLIK, Gy?rgy;MAHó, Sándor;BALOGH, László;VINCZE, Péter;HORVáTH, János;KOVáCS, András;BéNI, Zoltán;VARGA, Frigyes WO2013/1322, 2013, A1

METHYL 4-AZA-5ALPHA-ANDROSTA-3-ONE-17BETA-CARBOXYLATE Related Search: