7-Methoxy-2-methyl-2,3-dihydro-4H-chromen-4-one

Base Information

• Chemical Name: 7-Methoxy-2-methyl-2,3-dihydro-4H-chromen-4-one
• CAS No.: 3380-61-8
• Molecular Formula: C₁₁H₁₂O₃
• Molecular Weight: 192.214
• Hs Code.: 2932999099
• DSSTox Substance ID: DTXSID50398429

Synonyms:3380-61-8;7-METHOXY-2-METHYL-2,3-DIHYDRO-4H-CHROMEN-4-ONE;CHEMBRDG-BB 6367761;7-methoxy-2-methyl-2,3-dihydrochromen-4-one;SCHEMBL9464541;DTXSID50398429;AKOS006241770;7-Methoxy-2-methyl-2,3-dihydro-4H-1-benzopyran-4-one

Chemical Property of 7-Methoxy-2-methyl-2,3-dihydro-4H-chromen-4-one

Chemical Property:

• Vapor Pressure: 0.00015mmHg at 25°C
• Melting Point: 77 °C(Solv: water (7732-18-5); ethanol (64-17-5))
• Boiling Point: 332°C at 760 mmHg
• Flash Point: 145.7°C
• PSA: 35.53000
• Density: 1.145g/cm³
• LogP: 2.04890
• XLogP3: 1.8
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 1
• Exact Mass: 192.078644241
• Heavy Atom Count: 14
• Complexity: 227

Purity/Quality:

7-METHOXY-2-METHYL-2,3-DIHYDRO-4H-CHROMEN-4-ONE 95.00% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1CC(=O)C2=C(O1)C=C(C=C2)OC

Technology Process of 7-Methoxy-2-methyl-2,3-dihydro-4H-chromen-4-one

There total 7 articles about 7-Methoxy-2-methyl-2,3-dihydro-4H-chromen-4-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: 96.0%

trans-1-(2-hydroxy-4-methoxyphenyl)-2-buten-1-one (119840-35-6) → (±)-7-methoxy-2-methyl-4-chromanone (3380-61-8)

Guidance literature:

With sodium hydroxide; In hexane; for 4h; Ambient temperature;

Reference yield: 55.0%

O-methylresorcine (150-19-6) + (E)-but-2-enoic acid (107-93-7) → (±)-7-methoxy-2-methyl-4-chromanone (3380-61-8)

Guidance literature:

With bismuth(lll) trifluoromethanesulfonate; In toluene; at 110 ℃;

DOI:10.1016/j.tetlet.2016.10.005

Reference yield: 40.0%

2-butenoic acid (3724-65-0) + O-methylresorcine (150-19-6) → (±)-7-methoxy-2-methyl-4-chromanone (3380-61-8)

Guidance literature:

With PPA; at 100 ℃; for 2h;

upstream raw materials:

2-butenoic acid

O-methylresorcine

trans-1-(2-hydroxy-4-methoxyphenyl)-2-buten-1-one

cis-1-(2-hydroxy-4-methoxyphenyl)-2-buten-1-one

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