4-Methyl-7-(2-oxo-2-phenyl-ethoxy)-chromen-2-one

Base Information

• Chemical Name: 4-Methyl-7-(2-oxo-2-phenyl-ethoxy)-chromen-2-one
• CAS No.: 68454-21-7
• Molecular Formula: C18H14O4
• Molecular Weight: 294.307
• DSSTox Substance ID: DTXSID40356715
• Nikkaji Number: J764.487F
• Wikidata: Q82136250
• ChEMBL ID: CHEMBL1541661
• Mol file: 68454-21-7.mol

Synonyms:4-Methyl-7-(2-oxo-2-phenyl-ethoxy)-chromen-2-one;68454-21-7;4-methyl-7-(2-oxo-2-phenylethoxy)-2H-chromen-2-one;2H-1-Benzopyran-2-one, 4-methyl-7-(2-oxo-2-phenylethoxy)-;Oprea1_593653;Oprea1_747389;MLS001208216;CHEMBL1541661;DTXSID40356715;HMS2846H07;STK388834;AKOS000564239;NCGC00311015-01;SMR000518279;AB00280052-07;Z18478401

Chemical Property of 4-Methyl-7-(2-oxo-2-phenyl-ethoxy)-chromen-2-one

Chemical Property:

• PSA: 56.51000
• LogP: 3.36310
• XLogP3: 3.6
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 4
• Rotatable Bond Count: 4
• Exact Mass: 294.08920892
• Heavy Atom Count: 22
• Complexity: 462

Purity/Quality:

99% ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1=CC(=O)OC2=C1C=CC(=C2)OCC(=O)C3=CC=CC=C3

Technology Process of 4-Methyl-7-(2-oxo-2-phenyl-ethoxy)-chromen-2-one

There total 6 articles about 4-Methyl-7-(2-oxo-2-phenyl-ethoxy)-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: 97.0%

7-hydroxy-4-methyl-chromen-2-one (90-33-5,79566-13-5) + α-bromoacetophenone (70-11-1) → 4-methyl-7-(2-oxo-2-phenylethoxy)-2H-1-benzopyran-2-one (68454-21-7)

Guidance literature:

With potassium carbonate; In acetone; for 3h; Heating;

DOI:10.1248/cpb.44.1591

Reference yield: 94.0%

α-(3-Hydroxyphenoxy)acetophenone (13156-22-4) + 2,2,6-trimethyl-4H-1,3-dioxin-4-one (5394-63-8) → 4-methyl-7-(2-oxo-2-phenylethoxy)-2H-1-benzopyran-2-one (68454-21-7)

Guidance literature:

2,2,6-trimethyl-4H-1,3-dioxin-4-one; With dihydroxy-poly(ethylene glycol) of MW = 4000; In toluene; for 5h; Heating;

α-(3-Hydroxyphenoxy)acetophenone; With titanium tetrachloride; In tetrahydrofuran; at 20 ℃; for 0.5h;

DOI:10.1080/00397910600908868

Reference yield: 92.0%

7-hydroxy-4-methyl-chromen-2-one (90-33-5,79566-13-5) + 1-chloroacetophenone (532-27-4,108321-66-0,164322-25-2) → 4-methyl-7-(2-oxo-2-phenylethoxy)-2H-1-benzopyran-2-one (68454-21-7)

Guidance literature:

With potassium carbonate; In acetone; for 24h; Reflux;

DOI:10.1002/jhet.2173

upstream raw materials:

7-hydroxy-4-methyl-chromen-2-one

α-bromoacetophenone

α-(3-Hydroxyphenoxy)acetophenone

ethyl acetoacetate