1,2-Dibromo-4,5-diiodobenzene

Base Information

• Chemical Name: 1,2-Dibromo-4,5-diiodobenzene
• CAS No.: 529502-50-9
• Molecular Formula: C6H2Br2I2
• Molecular Weight: 487.699
• European Community (EC) Number: 834-441-2
• DSSTox Substance ID: DTXSID10465303
• Nikkaji Number: J2.678.928A
• Wikidata: Q82291141
• Mol file: 529502-50-9.mol

Synonyms:1,2-dibromo-4,5-diiodobenzene;529502-50-9;MFCD28968957;Benzene, 1,2-dibromo-4,5-diiodo-;SCHEMBL734615;AMY023;DTXSID10465303;GGTSNVFGCBCDCG-UHFFFAOYSA-N;AKOS025296154;SY234708;CS-0138341;D5433;T71008

Chemical Property of 1,2-Dibromo-4,5-diiodobenzene

Chemical Property:

• Melting Point: 172 °C
• PSA: 0.00000
• LogP: 4.42080
• XLogP3: 4.6
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 487.65922
• Heavy Atom Count: 10
• Complexity: 106

Purity/Quality:

97% ^*data from raw suppliers

1,2-Dibromo-4,5-diiodobenzene ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=C(C(=CC(=C1I)I)Br)Br

Technology Process of 1,2-Dibromo-4,5-diiodobenzene

There total 1 articles about 1,2-Dibromo-4,5-diiodobenzene 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: 90.0%

2,3-dibromobenzene (583-53-9) → 1,2-dibromo-4,5-diiodobenzene (529502-50-9)

Guidance literature:

With sodium periodate; sulfuric acid; iodine; at 0 ℃; for 4h;

DOI:10.1021/jo802078f

Reference yield: 95.0%

trimethylsilylacetylene (1066-54-2) + 1,2-dibromo-4,5-diiodobenzene (529502-50-9) → ((4,5-dibromo-1,2-phenylene)bis(ethyne-2,1-diyl))bis(trimethylsilane) (667865-54-5)

Guidance literature:

With copper(l) iodide; diisopropylamine; bis-triphenylphosphine-palladium(II) chloride; In tetrahydrofuran; at 20 ℃; for 12h;

DOI:10.1055/s-2003-43372

Reference yield: 94.0%

tris-iso-propylsilyl acetylene (89343-06-6) + 1,2-dibromo-4,5-diiodobenzene (529502-50-9) → 1,2-dibromo-4,5-bis[(triisopropylsilyl)ethynyl]benzene (1453492-26-6)

Guidance literature:

With copper(l) iodide; tetrakis(triphenylphosphine) palladium⁽⁰⁾; diisopropylamine; In tetrahydrofuran; at 20 ℃; for 72h; Inert atmosphere;

DOI:10.1002/chem.201300838

upstream raw materials:

2,3-dibromobenzene

Downstream raw materials:

((4,5-dibromo-1,2-phenylene)bis(ethyne-2,1-diyl))bis(trimethylsilane)

C₆₀H₈₆Br₂N₂Si₂

4,5-dibromo-1,2-bis[(4'-nitro-2'-((triisopropylsilyl)ethynyl)phenyl)ethynyl]benzene

1,2-dibromo-4,5-bis[(4-(N,N-dibutylamino)phenyl)ethynyl]benzene