7-Methoxy-2,2,4-trimethyl-3-(4-methoxyphenyl)-2H-1-benzopyran

Base Information

• Chemical Name: 7-Methoxy-2,2,4-trimethyl-3-(4-methoxyphenyl)-2H-1-benzopyran
• CAS No.: 5188-52-3
• Molecular Formula: C20H22O3
• Molecular Weight: 310.3869
• NSC Number: 79096
• DSSTox Substance ID: DTXSID10291922
• Nikkaji Number: J2.791.792E
• Wikidata: Q27148695
• Mol file: 5188-52-3.mol

Synonyms:7-Methoxy-2,2,4-trimethyl-3-(4-methoxyphenyl)-2H-1-benzopyran;5188-52-3;7-methoxy-3-(4-methoxyphenyl)-2,2,4-trimethylchromene;4',7-dimethoxy-2,2,4-trimethyl-Delta(3)-isoflavan;NCIOpen2_008712;CHEBI:79580;DTXSID10291922;NSC79096;NSC-79096;Q27148695;7-Methoxy-3-(4-methoxyphenyl)-2,2,4-trimethyl-2H-chromene;7-methoxy-3-(4-methoxyphenyl)-2,2,4-trimethyl-2H-1-benzopyran

Chemical Property of 7-Methoxy-2,2,4-trimethyl-3-(4-methoxyphenyl)-2H-1-benzopyran

Chemical Property:

• Vapor Pressure: 4.64E-07mmHg at 25°C
• Boiling Point: 425.7°C at 760 mmHg
• Flash Point: 145.1°C
• Density: 1.08g/cm³
• XLogP3: 3.9
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 3
• Exact Mass: 310.15689456
• Heavy Atom Count: 23
• Complexity: 446

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1=C(C(OC2=C1C=CC(=C2)OC)(C)C)C3=CC=C(C=C3)OC

Technology Process of 7-Methoxy-2,2,4-trimethyl-3-(4-methoxyphenyl)-2H-1-benzopyran

There total 1 articles about 7-Methoxy-2,2,4-trimethyl-3-(4-methoxyphenyl)-2H-1-benzopyran 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:

→ 4',7-Dimethoxy-2,2,4-trimethyl-Δ3-isoflaven (5188-52-3)

Guidance literature:

7-Methoxy-3-(4-methoxy-phenyl)-4-methylcumarin (6i) 1. MeMgBr, Bzl., Ether;

DOI:10.1021/jo01023a032

Reference yield:

4',7-Dimethoxy-2,2,4-trimethyl-Δ3-isoflaven (5188-52-3) → 7-Hydroxy-5-methoxy-2-(4-methoxy-phenyl)-1,3,3-trimethyl-inden (5217-92-5)

Guidance literature:

With aluminium trichloride;

DOI:10.1021/jo01023a033

Reference yield:

4',7-Dimethoxy-2,2,4-trimethyl-Δ3-isoflaven (5188-52-3) + acetic anhydride (108-24-7) → 2-(4-Acetoxy-phenyl)-5,7-diacetoxy-1,3,3-trimethyl-inden (5231-36-7)

Guidance literature:

Multistep reaction; (i) AlCl₃, (ii) /BRN= 385737/;

DOI:10.1021/jo01023a033

Downstream raw materials:

7-Hydroxy-5-methoxy-2-(4-methoxy-phenyl)-1,3,3-trimethyl-inden

2-(4-Acetoxy-phenyl)-5,7-diacetoxy-1,3,3-trimethyl-inden

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