5,7-Dimethoxy-4-propyl-chromen-2-one

Base Information

• Chemical Name: 5,7-Dimethoxy-4-propyl-chromen-2-one
• CAS No.: 66346-55-2
• Molecular Formula: C14H16O4
• Molecular Weight: 248.27400
• DSSTox Substance ID: DTXSID10357855
• Wikidata: Q82138026

Synonyms:66346-55-2;5,7-DIMETHOXY-4-PROPYL-CHROMEN-2-ONE;5,7-dimethoxy-4-propyl-2H-chromen-2-one;Oprea1_814577;DTXSID10357855;STL458814;AKOS016379500;SR-01000219414;SR-01000219414-1

Chemical Property of 5,7-Dimethoxy-4-propyl-chromen-2-one

Chemical Property:

• PSA: 48.67000
• LogP: 2.76270
• XLogP3: 2.7
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 4
• Exact Mass: 248.10485899
• Heavy Atom Count: 18
• Complexity: 337

Purity/Quality:

99% ^*data from raw suppliers

5,7-DIMETHOXY-4-PROPYLCHROMEN-2-ONE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CCCC1=CC(=O)OC2=C1C(=CC(=C2)OC)OC

Technology Process of 5,7-Dimethoxy-4-propyl-chromen-2-one

There total 8 articles about 5,7-Dimethoxy-4-propyl-chromen-2-one 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%

3,5-dimethoxyphenol (500-99-2) + ethyl butyroyl acetate (3249-68-1) → 5,7-dimethoxy-4-propyl-2H-1-benzopyran-2-one (66346-55-2)

Guidance literature:

With iron(III) chloride; In neat (no solvent); for 0.333333h; Sonication; Green chemistry;

DOI:10.1016/j.ultsonch.2013.10.018

Reference yield: 87.0%

5,7-dihydroxy-4-propylcoumarin (66346-59-6) + dimethyl sulfate (77-78-1) → 5,7-dimethoxy-4-propyl-2H-1-benzopyran-2-one (66346-55-2)

Guidance literature:

With potassium carbonate; In N,N-dimethyl-formamide; at 20 ℃; for 1h;

Reference yield: 82.0%

1-(2-hydroxy-4,6-dimethoxyphenyl)butan-1-one (2999-37-3) + ethyl (triphenylphosphoranylidene)acetate (1099-45-2) → 5,7-dimethoxy-4-propyl-2H-1-benzopyran-2-one (66346-55-2)

Guidance literature:

With N,N-diethylaniline; at 215 ℃; for 6.5h;

DOI:10.1016/S0957-4166(00)00461-4

upstream raw materials:

5,7-dihydroxy-4-propylcoumarin

methyl iodide

dimethyl sulfate

1-(2-hydroxy-4,6-dimethoxyphenyl)butan-1-one

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