Technology Process of 7-Benzyloxy-2-(3,4-bis-benzyloxy-phenyl)-3,5-dihydroxy-6-methoxy-chromen-4-one
There total 12 articles about 7-Benzyloxy-2-(3,4-bis-benzyloxy-phenyl)-3,5-dihydroxy-6-methoxy-chromen-4-one which
guide to synthetic route it.
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synthetic route:
- Guidance literature:
-
With
potassium carbonate;
In
methanol;
for 1.5h;
Heating;
DOI:10.1248/cpb.45.446
- Guidance literature:
-
Multi-step reaction with 10 steps
1: 100 percent / conc. HCl, acetic acid / 1 h / Ambient temperature
2: 83 percent / K2CO3, KI / acetone; dimethylformamide / Heating
3: 75 percent / AlBr3, NaI / acetonitrile / 0.25 h / 0 °C
4: pyridine / 2 h / 70 - 80 °C
5: KOH / pyridine / 80 °C
6: 97 percent / conc. H2SO4, acetic acid / 1 h / 50 °C
7: 70 percent / dimethyldioxirane / acetone / 0 °C
8: 81 percent / K2CO3 / acetone / Heating
9: 97 percent / AlCl3 / acetonitrile / 0.5 h / Ambient temperature
10: 96 percent / K2CO3 / methanol / 1.5 h / Heating
With
pyridine; hydrogenchloride; potassium hydroxide; aluminium trichloride; aluminum tri-bromide; sulfuric acid; 3,3-dimethyldioxirane; potassium carbonate; acetic acid; potassium iodide; sodium iodide;
In
pyridine; methanol; N,N-dimethyl-formamide; acetone; acetonitrile;
DOI:10.1248/cpb.45.446
- Guidance literature:
-
Multi-step reaction with 9 steps
1: 83 percent / K2CO3, KI / acetone; dimethylformamide / Heating
2: 75 percent / AlBr3, NaI / acetonitrile / 0.25 h / 0 °C
3: pyridine / 2 h / 70 - 80 °C
4: KOH / pyridine / 80 °C
5: 97 percent / conc. H2SO4, acetic acid / 1 h / 50 °C
6: 70 percent / dimethyldioxirane / acetone / 0 °C
7: 81 percent / K2CO3 / acetone / Heating
8: 97 percent / AlCl3 / acetonitrile / 0.5 h / Ambient temperature
9: 96 percent / K2CO3 / methanol / 1.5 h / Heating
With
pyridine; potassium hydroxide; aluminium trichloride; aluminum tri-bromide; sulfuric acid; 3,3-dimethyldioxirane; potassium carbonate; acetic acid; potassium iodide; sodium iodide;
In
pyridine; methanol; N,N-dimethyl-formamide; acetone; acetonitrile;
DOI:10.1248/cpb.45.446