3-O-Methylquercetin

Names

[ Name ]:
3-O-Methylquercetin

[Synonym ]:
2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3-methoxychromen-4-one
2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-3-methoxy-4H-chromen-4-one
3-methoxy-5,7,3',4'-tetrahydroxy-flavone
2-(3,4-Dihydroxyphenyl)-5,7-dihydroxy-3-methoxy-4H-1-benzopyran-4-one
3-O-Methylquercetin
4H-1-Benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-3-methoxy-

Biological Activity

[Description]:

3-O-Methylquercetin (3-MQ), a main constituent of Rhamnus nakaharai, inhibits total cAMP and cGMP-phosphodiesterase (PDE) of guinea pig trachealis. 3-O-Methylquercetin (3-MQ) exhibits IC50 values of 31.9 μM， 86.9 μM， 18.6 μM and 1.6 μM for PDE1, PDE5, PDE2 and PDE4, respectively[1].

[Related Catalog]:

Signaling Pathways >> Metabolic Enzyme/Protease >> Phosphodiesterase (PDE)

Research Areas >> Inflammation/Immunology

[References]

[1]. Wun-Chang Ko, et al. 3-O-methylquercetin More Selectively Inhibits Phosphodiesterase Subtype 3. Planta Med. 2003 Apr;69(4):310-5.

Chemical & Physical Properties

[ Density]:
1.7±0.1 g/cm3

[ Boiling Point ]:
643.0±55.0 °C at 760 mmHg

[ Molecular Formula ]:
C₁₆H₁₂O₇

[ Molecular Weight ]:
316.262

[ Flash Point ]:
244.7±25.0 °C

[ Exact Mass ]:
316.058289

[ PSA ]:
120.36000

[ LogP ]:
2.02

[ Vapour Pressure ]:
0.0±2.0 mmHg at 25°C

[ Index of Refraction ]:
1.762

MSDS

Click to get detail MSDS

Safety Information

[ Symbol ]:

GHS06

[ Signal Word ]:
Danger

[ Hazard Statements ]:
H301

[ Precautionary Statements ]:
P301 + P310

[ Hazard Codes ]:
T

[ Risk Phrases ]:
25

[ Safety Phrases ]:
45

[ RIDADR ]:
UN 2811 6.1 / PGIII

[ HS Code ]:
2914509090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2914509090

[ Summary ]:
HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

Articles

Antiherpes Activity and Skin/Mucosa Distribution of Flavonoids from Achyrocline satureioides Extract Incorporated into Topical Nanoemulsions.

Biomed Res. Int. 2015 , 238010, (2015)

This study investigated the inhibitory effects of Achyrocline satureioides extract (ASE) incorporated into a topical nanoemulsion on Herpes Simplex Virus type 1 (HSV-1/KOS strain) replication, as well...

Biologically active constituents of Centipeda minima: isolation of a new plenolin ester and the antiallergy activity of sesquiterpene lactones.

Chem. Pharm. Bull. 33(9) , 4091-4, (1985)

Isolation of flavonoids and a chalcone from Helichrysum odoratissimum and synthesis of helichrysetin.

J. Nat. Prod. 52(3) , 629-33, (1989)

3,5-Dihydroxy-6,7,8-trimethoxyflavone, 3-O-methylquercetin, and helichrysetin were isolated from the flowers of the Rwandese medicinal plant, Helichrysum odoratissimum. Because of inconsistencies of t...

Related Compounds

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