2,5-Dibromothiophene 1,1-dioxide

Base Information

• Chemical Name: 2,5-Dibromothiophene 1,1-dioxide
• CAS No.: 89088-95-9
• Molecular Formula: C₄H₂Br₂O₂S
• Molecular Weight: 273.933
• European Community (EC) Number: 811-020-1
• Nikkaji Number: J1.260.944B
• Mol file: 89088-95-9.mol

Synonyms:2,5-dibromothiophene 1,1-dioxide;89088-95-9;2,5-Dibromothiophene1,1-dioxide;SCHEMBL17202280;MFCD28384140;2,5-dibromo-1-thiophene-1,1-dione;D4376;T71431

Chemical Property of 2,5-Dibromothiophene 1,1-dioxide

Chemical Property:

• Melting Point: 126 °C(dec.)
• Boiling Point: 329.4±42.0 °C(Predicted)
• Density: 2.570±0.06 g/cm3(Predicted)
• Solubility.: soluble in Methanol
• XLogP3: 2
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 2
• Rotatable Bond Count: 0
• Exact Mass: 273.81218
• Heavy Atom Count: 9
• Complexity: 256

Purity/Quality:

97% ^*data from raw suppliers

2,5-Dibromothiophene 1,1-Dioxide ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1=C(S(=O)(=O)C(=C1)Br)Br

Technology Process of 2,5-Dibromothiophene 1,1-dioxide

There total 2 articles about 2,5-Dibromothiophene 1,1-dioxide 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: 95.0%

2,5-dibromothiophen (3141-27-3) → 2,5-dibromothiophene 1,1-dioxide (89088-95-9)

Guidance literature:

With water; fluorine; In acetonitrile; for 0.333333h; Ambient temperature;

DOI:10.1039/c39940001959

Reference yield: 72.0%

2,5-bis(trimethylsilyl)thiophene 1,1-dioxide (143810-36-0) → 2,5-dibromothiophene 1,1-dioxide (89088-95-9)

Guidance literature:

With silver tetrafluoroborate; bromine; In dichloromethane; at 0 ℃; for 1h;

DOI:10.3987/COM-92-6015

Reference yield: 22.0%

1-{3,4,5-tris(dodecyloxy)phenyl}maleimide (173219-13-1) + 2,5-dibromothiophene 1,1-dioxide (89088-95-9) → 3,6-dibromo-N-(3,4,5-tridodecyloxyphenyl)phthalimide

Guidance literature:

In N,N-dimethyl-formamide; at 110 ℃; for 18h;

DOI:10.1016/j.tet.2007.04.002

upstream raw materials:

2,5-dibromothiophen

2,5-bis(trimethylsilyl)thiophene 1,1-dioxide