Technology Process of 4H-1-Benzopyran-4-one,
2-(2,4-dimethoxyphenyl)-5-hydroxy-3,7,8-trimethoxy-
There total 7 articles about 4H-1-Benzopyran-4-one,
2-(2,4-dimethoxyphenyl)-5-hydroxy-3,7,8-trimethoxy- which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
Multi-step reaction with 4 steps
1: K2CO3 / acetone
2: 210 mg / AlCl3 / diethyl ether / 1) 0-5 deg C, 2) 25 deg C, 16 h
3: 25 mg / aq. KOH, aq. potassium persulphate / pyridine / 1) RT, 3 h, 2) overnight
4: 20 mg / potassium carbonate / acetone / 4 h / Heating
With
potassium hydroxide; aluminium trichloride; potassium peroxomonosulphate; potassium carbonate;
In
pyridine; diethyl ether; acetone;
- Guidance literature:
-
Multi-step reaction with 6 steps
1: 2.1 g / aq. NaOH / ethanol / Ambient temperature; overnight
2: 440 mg / aq. NaOH (2N), H2O2, H2O2 / methanol / 1) 30 min, 2) overnight
3: K2CO3 / acetone
4: 210 mg / AlCl3 / diethyl ether / 1) 0-5 deg C, 2) 25 deg C, 16 h
5: 25 mg / aq. KOH, aq. potassium persulphate / pyridine / 1) RT, 3 h, 2) overnight
6: 20 mg / potassium carbonate / acetone / 4 h / Heating
With
potassium hydroxide; sodium hydroxide; aluminium trichloride; potassium peroxomonosulphate; dihydrogen peroxide; potassium carbonate;
In
pyridine; methanol; diethyl ether; ethanol; acetone;
- Guidance literature:
-
Multi-step reaction with 5 steps
1: 440 mg / aq. NaOH (2N), H2O2, H2O2 / methanol / 1) 30 min, 2) overnight
2: K2CO3 / acetone
3: 210 mg / AlCl3 / diethyl ether / 1) 0-5 deg C, 2) 25 deg C, 16 h
4: 25 mg / aq. KOH, aq. potassium persulphate / pyridine / 1) RT, 3 h, 2) overnight
5: 20 mg / potassium carbonate / acetone / 4 h / Heating
With
potassium hydroxide; sodium hydroxide; aluminium trichloride; potassium peroxomonosulphate; dihydrogen peroxide; potassium carbonate;
In
pyridine; methanol; diethyl ether; acetone;