pd_meltingpoint:195-197°C
Purity:99%
Poly (ADP-ribose) polymerase-1 (PARP-1) ...
Polymethoxyflavones (PMFs) are a subgrou...
The evolution and growth of multiple-her...
Velutin, one of the flavones contained i...
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
dimethyl sulfate
2-(3,4-dimethoxyphenyl)-5,7-dimethoxy-4H-chromen-4-one
| Conditions | Yield |
|---|---|
|
With
potassium carbonate;
In
acetone;
for 10h;
Reflux;
|
90.7% |
|
With
potassium carbonate; acetone;
|
|
|
With
potassium carbonate;
In
acetone;
for 4h;
Inert atmosphere;
Reflux;
|
|
|
With
potassium hydroxide;
In
water; acetone;
|
2'-hydroxy-3,4,4',6'-tetramethoxychalcone
2-(3,4-dimethoxyphenyl)-5,7-dimethoxy-4H-chromen-4-one
| Conditions | Yield |
|---|---|
|
With
iodine;
In
dimethyl sulfoxide;
Reflux;
|
76% |
|
With
hydrogenchloride; tetra-(n-butyl)ammonium iodide;
In
ethanol;
for 96h;
Heating;
|
67% |
|
Multi-step reaction with 2 steps
1: 97 percent / K2CO3 / acetone / 2 h / Heating
With
potassium carbonate;
In
acetone;
|
diazomethane
velutin
2-(3,4-Dihydroxy-phenyl)-5,7-dihydroxy-chromen-4-on
dimethyl sulfate
Veratric acid
2-(3,4-dimethoxyphenyl)-3-hydroxy-5,7-dimethoxy-4H-4-chromenone
quercetol
retusin
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