Technology Process of Br(1-)*C49H44O5P(1+)
There total 16 articles about Br(1-)*C49H44O5P(1+) which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
C39H42O8;
With
palladium 10% on activated carbon; hydrogen; triethylamine;
In
ethyl acetate;
at 20 ℃;
With
hydrogenchloride;
In
tetrahydrofuran;
at 20 ℃;
triphenylphosphine hydrobromide;
In
acetonitrile;
Reflux;
DOI:10.1016/j.ejmech.2017.05.050
- Guidance literature:
-
Multi-step reaction with 5 steps
1: 18-crown-6 ether; potassium carbonate / dichloromethane / 24 h / Reflux
2: 5%-palladium/activated carbon; hydrogen; triethylamine / ethyl acetate / 24 h / 20 °C / 2250.23 Torr
3: hydrogenchloride; water / tetrahydrofuran / 12 h / 20 °C
4: carbon tetrabromide; triphenylphosphine / dichloromethane
5: toluene / Reflux
With
hydrogenchloride; 18-crown-6 ether; carbon tetrabromide; 5%-palladium/activated carbon; water; hydrogen; potassium carbonate; triethylamine; triphenylphosphine;
In
tetrahydrofuran; dichloromethane; ethyl acetate; toluene;
1: Wittig reaction;
DOI:10.1016/j.bmc.2012.02.004
- Guidance literature:
-
Multi-step reaction with 9 steps
1: 2,2,6,6-tetramethylheptane-3,5-dione; caesium carbonate; copper(I) bromide / 1-methyl-pyrrolidin-2-one
2: sodium tetrahydroborate / ethanol / 20 °C
3: carbon tetrabromide; triphenylphosphine / dichloromethane
4: toluene / Reflux
5: 18-crown-6 ether; potassium carbonate / dichloromethane / 24 h / Reflux
6: 5%-palladium/activated carbon; hydrogen; triethylamine / ethyl acetate / 24 h / 20 °C / 2250.23 Torr
7: hydrogenchloride; water / tetrahydrofuran / 12 h / 20 °C
8: carbon tetrabromide; triphenylphosphine / dichloromethane
9: toluene / Reflux
With
hydrogenchloride; sodium tetrahydroborate; 2,2,6,6-tetramethylheptane-3,5-dione; 18-crown-6 ether; carbon tetrabromide; 5%-palladium/activated carbon; water; hydrogen; potassium carbonate; caesium carbonate; triethylamine; triphenylphosphine; copper(I) bromide;
In
tetrahydrofuran; 1-methyl-pyrrolidin-2-one; ethanol; dichloromethane; ethyl acetate; toluene;
1: Ullmann condensation / 5: Wittig reaction;
DOI:10.1016/j.bmc.2012.02.004
