3,6-Dibromophthalic Anhydride

Base Information

• Chemical Name: 3,6-Dibromophthalic Anhydride
• CAS No.: 25834-16-6
• Molecular Formula: C8H2Br2O3
• Molecular Weight: 305.91
• European Community (EC) Number: 811-003-9
• Nikkaji Number: J153.013E
• Mol file: 25834-16-6.mol

Synonyms:3,6-Dibromophthalic Anhydride;25834-16-6;4,7-Dibromoisobenzofuran-1,3-dione;4,7-DIBROMO-2-BENZOFURAN-1,3-DIONE;1,3-Isobenzofurandione, 4,7-dibromo;4,7-dibromo-1,3-dihydro-2-benzofuran-1,3-dione;1,3-Isobenzofurandione, 4,7-dibromo-;SCHEMBL855646;3,6-dibromo-phthalic anhydride;1,3-Isobenzofurandione,4,7-dibromo;MFCD01117424;SB36231;AS-59756;CS-0156997;D4724;T70674

Chemical Property of 3,6-Dibromophthalic Anhydride

Chemical Property:

• Melting Point: 207.0 to 212.0 °C
• PSA: 74.60000
• LogP: 2.60800
• Storage Temp.: Inert atmosphere,Room Temperature
• XLogP3: 2.7
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 3
• Rotatable Bond Count: 0
• Exact Mass: 305.83502
• Heavy Atom Count: 13
• Complexity: 240

Purity/Quality:

98%,99%, ^*data from raw suppliers

3,6-Dibromophthalic Anhydride ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

• Canonical SMILES: C1=CC(=C2C(=C1Br)C(=O)OC2=O)Br

Technology Process of 3,6-Dibromophthalic Anhydride

There total 4 articles about 3,6-Dibromophthalic Anhydride 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: 69.0%

3,6-dibromophthalic acid → 4,7-dibromoisobenzofuran-1,3-dione (25834-16-6)

Guidance literature:

With acetic anhydride; for 1h; Reflux;

Reference yield: 31.0%

phthalic anhydride (85-44-9) → 4,7-dibromoisobenzofuran-1,3-dione (25834-16-6)

Guidance literature:

With fuming sulphuric acid; bromine; iodine; at 60 ℃; for 24h;

DOI:10.1039/c2jm31755a

Reference yield:

1,4-dibromonaphthalene (83-53-4) → 4,7-dibromoisobenzofuran-1,3-dione (25834-16-6)

Guidance literature:

Multi-step reaction with 2 steps

1: nitric acid

2: durch Sublimation

With nitric acid;

upstream raw materials:

phthalic anhydride

1,4-dibromonaphthalene

Downstream raw materials:

N-(2-ethylhexyl)-3,6-dibromophthalimide

N-dodecyl-3,6-dibromophthalimide

4,4'-((1E,1'E)-(2-cyclohexyl-1,3-dioxoisoindoline-4,7-diyl)bis(ethene-2,1-diyl))dibenzaldehyde

(2Z,2'Z)-3,3'-(((1E,1'E)-(2-cyclohexyl-1,3-dioxoisoindoline-4,7-diyl)bis(ethene-2,1-diyl))bis(4,1-phenylene))bis(2-(4-nitrophenyl)acrylonitrile)

Refernces

• 1、 Forbes, Malcolm D. E.,Garcia-Garibay, Miguel A.,Jellen, Marcus J.,Ayodele, Mayokun J.,Cantu, Annabelle. "2D arrays of organic qubit candidates embedded into a pillared-paddlewheel metal-organic framework". supporting information. p. 18513 - 18521. Retrieved 2020/11/27.
• 2、 Lv, Wei,Liu, Huijiao,Wang, Wen,Yang,Zhen, Hongyu,Ling, Qidan. "Synthesis of new conjugated polymers with coordinated praseodymium complexes for polymer memory devices". . p. 18384 - 18391. Retrieved 2017/04/06.