3,7-Di-O-methylquercetin

Base Information

• Chemical Name: 3,7-Di-O-methylquercetin
• CAS No.: 2068-02-2
• Molecular Formula: C17H14 O7
• Molecular Weight: 330.294
• Hs Code.: 2914509090
• European Community (EC) Number: 218-187-4
• UNII: V8R92XSR1M
• DSSTox Substance ID: DTXSID40174734
• Nikkaji Number: J885K
• Wikidata: Q27102757
• Metabolomics Workbench ID: 77466
• ChEMBL ID: CHEMBL164861
• Mol file: 2068-02-2.mol

Synonyms:3,7-dimethoxy-5,3',4'-trihydroxyflavone;DTHF;quercetin 3,7-dimethyl ether

Chemical Property of 3,7-Di-O-methylquercetin

Chemical Property:

• Vapor Pressure: 1.53E-16mmHg at 25°C
• Melting Point: 241-242℃
• Boiling Point: 631.5°Cat760mmHg
• Flash Point: 236.8°C
• PSA: 109.36000
• Density: 1.55g/cm³
• LogP: 2.59400
• XLogP3: 2.8
• Hydrogen Bond Donor Count: 3
• Hydrogen Bond Acceptor Count: 7
• Rotatable Bond Count: 3
• Exact Mass: 330.07395278
• Heavy Atom Count: 24
• Complexity: 517

Purity/Quality:

98%Min ^*data from raw suppliers

3,7-Di-O-methylquercetin 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: COC1=CC(=C2C(=C1)OC(=C(C2=O)OC)C3=CC(=C(C=C3)O)O)O

Technology Process of 3,7-Di-O-methylquercetin

There total 17 articles about 3,7-Di-O-methylquercetin which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 100.0%

2-(3,4-bis-benzyloxy-phenyl)-5-hydroxy-3,7-dimethoxy-chromen-4-one (211228-56-7) → 2-(3,4-dihydroxyphenyl)-5-hydroxy-3,7-dimethoxychromen-4-one (2068-02-2)

Guidance literature:

With cyclohexene; palladium hydroxide - carbon; In ethanol; for 0.25h; Heating;

Reference yield: 93.0%

2-(2,2-diphenylbenzo[d][1,3]dioxol-5-yl)-5-hydroxy-3,7-dimethoxy-4H-chromen-4-one (96375-15-4) → 2-(3,4-dihydroxyphenyl)-5-hydroxy-3,7-dimethoxychromen-4-one (2068-02-2)

Guidance literature:

With palladium 10% on activated carbon; hydrogen; In tetrahydrofuran; ethanol; for 12h; under 760.051 Torr;

DOI:10.1016/j.ejmech.2012.04.044

Reference yield: 32.0%

diazomethane (186581-53-3,908094-01-9,334-88-3) + quercetol (117-39-5,74893-81-5) → tamarixetin (603-61-2) + 2-(3,4-dihydroxyphenyl)-5-hydroxy-3,7-dimethoxychromen-4-one (2068-02-2) + ayanin (572-32-7) + rhamnetin (90-19-7)

Guidance literature:

In methanol; diethyl ether; at 20 ℃; for 1h; Further byproducts given;

DOI:10.1248/cpb.50.788

upstream raw materials:

diazomethane

quercetol

2-(3,4-bis-benzyloxy-phenyl)-5-hydroxy-3,7-dimethoxy-chromen-4-one

methanol

Downstream raw materials:

5-acetoxy-2-(3,4-diacetoxy-phenyl)-3,7-dimethoxy-chromen-4-one

rhamnetin

3',4'-diacetyloxy-3'-hydroxy-3,7-dimethoxyflavone

2-(3,4-diacetoxy-phenyl)-3,5,7-trimethoxy-chromen-4-one