penta-O-ethylquercetin

Base Information

• Chemical Name: penta-O-ethylquercetin
• CAS No.: 82547-07-7
• Molecular Formula: C25H30 O7
• Molecular Weight: 442.509
• Mol file: 82547-07-7.mol

Synonyms:ACA 6

Chemical Property of penta-O-ethylquercetin

Chemical Property:

• Vapor Pressure: 1.51E-14mmHg at 25°C
• Boiling Point: 604.1°C at 760 mmHg
• Flash Point: 259°C
• PSA: 76.36000
• Density: 1.2g/cm³
• LogP: 5.45350

Purity/Quality:

PENTA-O-ETHYLQUERCETIN 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of penta-O-ethylquercetin

There total 5 articles about penta-O-ethylquercetin 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: 87.0%

quercetol (117-39-5,74893-81-5) + ethyl iodide (75-03-6) → 2-(3,4-diethoxyphenyl)-3,5,7-triethoxy-4H-chromen-4-one (82547-07-7)

Guidance literature:

With potassium carbonate; In N,N-dimethyl-formamide; at 45 ℃; for 12h; Inert atmosphere;

DOI:10.1002/bkcs.10286

Reference yield: 78.0%

diethyl sulfate (64-67-5) + quercetol (117-39-5,74893-81-5) → 2-(3,4-diethoxyphenyl)-3,5,7-triethoxy-4H-chromen-4-one (82547-07-7)

Guidance literature:

With potassium carbonate; In acetone; for 21h; Heating;

DOI:10.1021/jm00352a019

Reference yield: 65.0%

Tetraethyl-5,7,3',4'quercetine (82546-98-3) + ethyl iodide (75-03-6) → 2-(3,4-diethoxyphenyl)-3,5,7-triethoxy-4H-chromen-4-one (82547-07-7)

Guidance literature:

With tetraethylammonium fluoride; for 4h;

DOI:10.1016/S0040-4039(01)80217-3

upstream raw materials:

quercetol

ethyl iodide

diethyl sulfate

2-(3,4-diethoxyphenyl)-3,7-diethoxy-5-hydroxy-4H-chromen-4-one

Downstream raw materials:

3,4-diethoxybenzoic acid

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