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CAS No.: | 479-90-3 |
---|---|
Name: | ARTEMISETIN(P) |
Article Data: | 19 |
Molecular Structure: | |
Formula: | C20H20 O8 |
Molecular Weight: | 388.374 |
Synonyms: | Artemetin(6CI); Flavone, 5-hydroxy-3,3',4',6,7-pentamethoxy- (7CI,8CI); 3,6,7,3',4'-Pentamethoxy-5-hydroxyflavone;3,6,7,3',4'-Pentamethylquercetagetin;5-Hydroxy-3,6,7,3',4'-pentamethoxyflavone; Artemisetin; Artemitin; Erianthin;Quercetagetin 3,6,7,3',4'-pentamethyl ether |
Density: | 1.37g/cm3 |
Melting Point: | 261~264℃ |
Boiling Point: | 588.8°Cat760mmHg |
Flash Point: | 208.9°C |
PSA: | 96.59000 |
LogP: | 3.20860 |
Conditions | Yield |
---|---|
With aluminum tri-bromide In acetonitrile at 0 - 5℃; for 0.333333h; | 95% |
With boron trichloride In tetrahydrofuran at -78℃; | 79% |
5,6-dihydroxy-2-(4-hydroxy-3-methoxyphenyl)-3,7-dimethoxychromen-4-one
artemetin
Conditions | Yield |
---|---|
With sodium hydride; methyl iodide In N,N-dimethyl-formamide at 20℃; | 32% |
Conditions | Yield |
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With sodium hydride In N,N-dimethyl-formamide at 5 - 10℃; | 32% |
artemetin
Conditions | Yield |
---|---|
With sodium 3,4-dimethoxybenzoate at 180 - 190℃; Verseifen des Reaktionsprodukts mit waessrig-alkoholischer Kalilauge; |
Conditions | Yield |
---|---|
With diethyl ether; dichloromethane |
Conditions | Yield |
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With potassium carbonate; acetone |
Conditions | Yield |
---|---|
With methanol Behandeln der Reaktions-Loesung mit methylalkoholischer Kalilauge; | |
With methanol Behandeln der Reaktionsloesung mit methylalkoholischer Kalilauge; |
1-(3,6-dihydroxy-2,4-dimethoxy-phenyl)-2-methoxy-ethanone
artemetin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1.) potassium benzoate, 2.) K2CO3 / 1.) 170/180 deg C, 8 h, 2.) acetone, reflux, 2.5-4 h 2: 95 percent / AlBr3 / acetonitrile / 0.33 h / 0 - 5 °C View Scheme |
3,4-dimethoxybenzoic anhydride
artemetin
Conditions | Yield |
---|---|
Multi-step reaction with 2 steps 1: 1.) potassium benzoate, 2.) K2CO3 / 1.) 170/180 deg C, 8 h, 2.) acetone, reflux, 2.5-4 h 2: 95 percent / AlBr3 / acetonitrile / 0.33 h / 0 - 5 °C View Scheme |
5,6,7,4'-tetramethoxyflavone
sinensetin
tangeritin
3,5,6,7,3',4'-Hexamethoxyflavon
nobiletin
3,3',4',5,6,7,8-heptamethoxyflavone
A
gardenin B
B
5-hydroxy-4',6,7-trimethoxyflavone
C
5-desmethylsinensetin
D
artemetin
E
5-hydroxy-6,7,8,3',4'-pentamethoxyflavone
F
5-hydroxy-3,6,7,8,3',4'-hexamethoxyflavone
Conditions | Yield |
---|---|
With hydrogenchloride; ethanol at 80℃; for 18 - 70h; Product distribution / selectivity; Heating / reflux; | |
With hydrogenchloride; ethanol; water at 80℃; for 18h; Conversion of starting material; Heating / reflux; | |
With ethanol; water for 24h; Product distribution / selectivity; Heating / reflux; |