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ChemicalBook CAS DataBase List 6,7-DIMETHOXY-3',4',5-TRIHYDROXYFLAVONE
34334-69-5

6,7-DIMETHOXY-3',4',5-TRIHYDROXYFLAVONE synthesis

9synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 7 steps
1: pyridine / 3 h / 120 °C
2: KOH, pyridine / 4 h / 60 °C
3: 88 percent / AcONa, AcOH / 3 h / 140 - 145 °C
4: 97 percent / H2 / 10percent Pd/C / methanol; ethyl acetate
5: pyridine / Heating
6: AlCl3 / acetonitrile / 1.5 h / 60 °C
7: 6 M HCl / methanol / 4 h / Heating

References:

Horie, Tokunaru;Tsukayama, Masao;Kourai, Hiroki;Yokoyama, Chieko;Furukawa, Masayuki;et al. [Journal of Medicinal Chemistry,1986,vol. 29,# 11,p. 2256 - 2262]

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