4,7-bis-(4-methoxy-phenyl)-3a,4,7,7a-tetrahydro-isobenzofuran-1,3-dione

Base Information

• Chemical Name: 4,7-bis-(4-methoxy-phenyl)-3a,4,7,7a-tetrahydro-isobenzofuran-1,3-dione
• CAS No.: 244179-14-4
• Molecular Formula: C₂₂H₂₀O₅
• Molecular Weight: 364.398
• Mol file: 244179-14-4.mol

Synonyms:4,7-bis-(4-methoxy-phenyl)-3a,4,7,7a-tetrahydro-isobenzofuran-1,3-dione

Chemical Property of 4,7-bis-(4-methoxy-phenyl)-3a,4,7,7a-tetrahydro-isobenzofuran-1,3-dione

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 4,7-bis-(4-methoxy-phenyl)-3a,4,7,7a-tetrahydro-isobenzofuran-1,3-dione

There total 3 articles about 4,7-bis-(4-methoxy-phenyl)-3a,4,7,7a-tetrahydro-isobenzofuran-1,3-dione 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: 100.0%

maleic anhydride (108-31-6) + (1E,3E)-1,4-bis(4-methoxyphenyl)buta-1,3-diene (22145-09-1) → 4,7-bis-(4-methoxy-phenyl)-3a,4,7,7a-tetrahydro-isobenzofuran-1,3-dione (244179-14-4)

Guidance literature:

In benzene; for 10h; Heating;

DOI:10.1080/00397919908086463

Reference yield:

E-1-(4'-methoxyphenyl)prop-1-ene (4180-23-8,25086-72-0,63589-56-0) → 4,7-bis-(4-methoxy-phenyl)-3a,4,7,7a-tetrahydro-isobenzofuran-1,3-dione (244179-14-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 75 percent / Na / dimethylformamide / 4 h / Heating

2: 100 percent / benzene / 10 h / Heating

With sodium; In N,N-dimethyl-formamide; benzene; 1: Condensation / 2: Cycloaddition;

DOI:10.1080/00397919908086463

Reference yield:

N-(4-methoxybenzylidene)aniline (1613-96-3) → 4,7-bis-(4-methoxy-phenyl)-3a,4,7,7a-tetrahydro-isobenzofuran-1,3-dione (244179-14-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 75 percent / Na / dimethylformamide / 4 h / Heating

2: 100 percent / benzene / 10 h / Heating

With sodium; In N,N-dimethyl-formamide; benzene; 1: Condensation / 2: Cycloaddition;

DOI:10.1080/00397919908086463

upstream raw materials:

maleic anhydride

(1E,3E)-1,4-bis(4-methoxyphenyl)buta-1,3-diene

E-1-(4'-methoxyphenyl)prop-1-ene

N-(4-methoxybenzylidene)aniline

Downstream raw materials:

3,6-bis(4-methoxyphenyl)phthalic anhydride

3,6-bis(4-hydroxynhenyl)phthalic anhydride