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1621-61-0

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CAS No.: 1621-61-0
Name: 4H-1-Benzopyran-4-one, 3-(3,4-dimethoxyphenyl)-7-methoxy-
Article Data: 21
Molecular Structure:
Molecular Structure of 1621-61-0 (4H-1-Benzopyran-4-one, 3-(3,4-dimethoxyphenyl)-7-methoxy-)
Formula: C18H16 O5
Molecular Weight: 312.322
Synonyms: Isoflavone,3',4',7-trimethoxy- (6CI,7CI,8CI); 3',4',7-Trimethoxyisoflavone;7,3',4',-Trimethoxyisoflavone; Cabreuvin; Cabruvin; Calycosin dimethyl ether
Density: 1.242g/cm3
Melting Point: 161 °C
Boiling Point: 477.4°Cat760mmHg
Flash Point: 212.1°C
PSA: 57.90000
LogP: 3.48580
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Synthetic route
10493-09-1

7,3',4'-trimethoxyflavanone

1621-61-0

cabreuvin

Conditions
ConditionsYield
With thallium(III) toluene-p-sulfonate In acetonitrile for 2h; Heating;94%
485-63-2

3',4',7-trihydroxyisoflavone

18107-18-1

diazomethyl-trimethyl-silane

1621-61-0

cabreuvin

Conditions
ConditionsYield
With N-ethyl-N,N-diisopropylamine In methanol; hexane for 16h; Ambient temperature;90%
124-41-4

sodium methylate

3′-bromo-4′,7-dimethoxyisoflavone

1621-61-0

cabreuvin

Conditions
ConditionsYield
With copper(I) bromide In methanol; N,N-dimethyl-formamide at 20 - 120℃; for 2h; Darkness;70%
73220-41-4

3-bromo-7-methoxy-4H-chromen-4-one

86487-18-5

tri-n-butyl(3,4-dimethoxyphenyl)stannane

1621-61-0

cabreuvin

Conditions
ConditionsYield
With 4,4’‐bis(trimethylammoniummethyl)‐2,2’‐bipyridine; diamminedichloropalladium(II); tetrabutyl ammonium fluoride; sodium hydrogencarbonate In water at 120℃; for 24h; Stille Cross Coupling; Sealed tube; Green chemistry;52%
485-63-2

3',4',7-trihydroxyisoflavone

74-88-4

methyl iodide

1621-61-0

cabreuvin

Conditions
ConditionsYield
Stage #1: 3',4',7-trihydroxyisoflavone With potassium carbonate In acetone at 20℃; for 0.166667h;
Stage #2: methyl iodide In acetone for 24h; Reflux;		52%
53084-05-2

2-(3,4-dimethoxyphenyl)-1-(2-hydroxy-4-methoxyphenyl)-ethanone

107-31-3

Methyl formate

1621-61-0

cabreuvin

Conditions
ConditionsYield
With sodium
24160-14-3

cladrin

74-88-4

methyl iodide

1621-61-0

cabreuvin

Conditions
ConditionsYield
With potassium carbonate; acetone
53084-05-2

2-(3,4-dimethoxyphenyl)-1-(2-hydroxy-4-methoxyphenyl)-ethanone

109-94-4

formic acid ethyl ester

1621-61-0

cabreuvin

Conditions
ConditionsYield
With sodium
56407-05-7

7,3',4'-Trimethoxyisoflavanone

1621-61-0

cabreuvin

Conditions
ConditionsYield
With palladium on activated charcoal at 240℃;
With 2,3-dicyano-5,6-dichloro-p-benzoquinone
485-63-2

3',4',7-trihydroxyisoflavone

77-78-1

dimethyl sulfate

1621-61-0

cabreuvin

Conditions
ConditionsYield
With potassium carbonate In acetone Heating;
Downstream Products
485-63-2
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