2,3-DIBROMO-2,3-DIMETHYLBUTANE

Base Information

• Chemical Name: 2,3-DIBROMO-2,3-DIMETHYLBUTANE
• CAS No.: 594-81-0
• Molecular Formula: C6H12Br2
• Molecular Weight: 243.969
• Mol file: 594-81-0.mol

Synonyms:2,3-DIBROMO-2,3-DIMETHYLBUTANE;SYM-DIBROMOTETRAMETHYLETHANE;PINACOL DIBROMIDE;Butane, 2,3-dibromo-2,3-dimethyl-;dibromodimethylbutane

Chemical Property of 2,3-DIBROMO-2,3-DIMETHYLBUTANE

Chemical Property:

• Melting Point: 168 °C
• Refractive Index: 1.5012 (estimate)
• Boiling Point: 207.32°C (estimate)
• Flash Point: 56.3oC
• PSA: 0.00000
• Density: 1.6487 (estimate)
• LogP: 3.33340
• Storage Temp.: Refrigerator

Purity/Quality:

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

2,3-Dibromo-2,3-Dimethylbutane ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of 2,3-DIBROMO-2,3-DIMETHYLBUTANE

There total 33 articles about 2,3-DIBROMO-2,3-DIMETHYLBUTANE 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%

2,3-Dimethyl-2-butene (563-79-1) → 2,3-dibromo-2,3-dimethylbutane (594-81-0)

Guidance literature:

With sulfuric acid; tetrabutylammomium bromide; water; oxygen; In acetonitrile; at 0 ℃; for 0.166667h; Electrochemical reaction;

DOI:10.1002/anie.202016413

Reference yield: 89.0%

2,3-Dimethyl-2-butene (563-79-1) + {PtBr4} (16893-18-8,16893-21-3) → cis-dichloro-bis-triethylphosphine platinum(II) (15692-84-9,13985-90-5,15636-78-9) + trans-PtBr2(triethylphosphine)2 (15692-84-9,15636-78-9,13985-90-5) + 2,3-dibromo-2,3-dimethylbutane (594-81-0) + 2-bromo-2,3-dimethylbutane (594-52-5) + 1-bromo-2,3-dimethyl-2-butene (5072-70-8)

Guidance literature:

In chloroform-d1; Concentration; Photolysis; Inert atmosphere;

DOI:10.1021/ic4004998

Reference yield: 45.0%

2,3-Dimethyl-2-butene (563-79-1) → 2,3-dibromo-2,3-dimethylbutane (594-81-0) + 3-Cyano-4,4,5,5-tetramethyl-4,5-dihydroisoxazole 2-Oxide (107396-37-2)

Guidance literature:

With nitrodibromoacetonitrile; In dichloromethane; at 25 ℃; for 0.5h;

upstream raw materials:

2,3-dimethyl-2,3-butane diol

2,3-Dimethyl-2-butene

3,3-dimethyl-2-butanol

2,3-dimethylbutane

Downstream raw materials:

1,1,4,4-tetraphenyl-1,3-butadiene

1,1-Diphenylethylene

3,3-dimethyl-butan-2-one

2,3-dimethyl-2,3-butane diol

Refernces

• 1、 Strehl, Julia,Abraham, Marvin L.,Hilt, Gerhard. "Linear Paired Electrolysis—Realising 200 % Current Efficiency for Stoichiometric Transformations—The Electrochemical Bromination of Alkenes". supporting information. p. 9996 - 10000. Retrieved 2021/03/31.
• 2、 Martins, Nayara Silva,Alberto, Eduardo E.. "Dibromination of alkenes with LiBr and H2O2 under mild conditions". supporting information. p. 161 - 167. Retrieved 2017/12/28.