4-Methyl-1H,3H-benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone

Base Information

• Chemical Name: 4-Methyl-1H,3H-benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone
• CAS No.: 88482-23-9
• Molecular Formula: C11H4 O6
• Molecular Weight: 232.149
• European Community (EC) Number: 289-415-8
• DSSTox Substance ID: DTXSID301008181
• Nikkaji Number: J348.542K
• Wikidata: Q83004565
• Mol file: 88482-23-9.mol

Synonyms:88482-23-9;4-Methyl-1H,3H-benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone;EINECS 289-415-8;4-Methyl-1H,3H-benzo(1,2-c:4,5-c')difuran-1,3,5,7-tetrone;SCHEMBL5381715;VNJSMTXECMSPRW-UHFFFAOYSA-N;DTXSID301008181;NS00066109

Chemical Property of 4-Methyl-1H,3H-benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone

Chemical Property:

• XLogP3: 1
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 6
• Rotatable Bond Count: 0
• Exact Mass: 232.00078784
• Heavy Atom Count: 17
• Complexity: 413

Purity/Quality:

98%Min ^*data from raw suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1=C2C(=CC3=C1C(=O)OC3=O)C(=O)OC2=O

Technology Process of 4-Methyl-1H,3H-benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone

There total 2 articles about 4-Methyl-1H,3H-benzo[1,2-c:4,5-c']difuran-1,3,5,7-tetrone 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:

methyl-benzene-1,2,4,5-tetracarboxylic acid (75543-83-8) → 3-methylpyromellitic dianhydride (88482-23-9)

Guidance literature:

With acetic anhydride;

DOI:10.1080/713846813

Reference yield:

Ergosterol (57-87-4) → 3-methylpyromellitic dianhydride (88482-23-9)

Guidance literature:

Multi-step reaction with 2 steps

1: aqueous nitric acid

2: 200 °C / 0.01 Torr

With nitric acid;

DOI:10.1080/713846813

Reference yield:

3-methylpyromellitic dianhydride (88482-23-9) + 1,4-phenylenediamine (106-50-3) → C23H16N4O4

Guidance literature:

In 1-methyl-pyrrolidin-2-one; toluene; at 175 ℃; for 22h; Inert atmosphere; Dean-Stark;

upstream raw materials:

methyl-benzene-1,2,4,5-tetracarboxylic acid

Ergosterol