1,4-Dibromo-2,3,5,6-tetramethylbenzene

Base Information

• Chemical Name: 1,4-Dibromo-2,3,5,6-tetramethylbenzene
• CAS No.: 1646-54-4
• Molecular Formula: C10H12 Br2
• Molecular Weight: 292.013
• Hs Code.: 2903999090
• European Community (EC) Number: 623-014-4
• NSC Number: 87886
• DSSTox Substance ID: DTXSID8061846
• Nikkaji Number: J421.585K
• Wikidata: Q81989706
• Mol file: 1646-54-4.mol

Synonyms:1,4-Dibromo-2,3,5,6-tetramethylbenzene;1646-54-4;3,6-Dibromodurene;dibromodurene;Benzene, 1,4-dibromo-2,3,5,6-tetramethyl-;C10H12Br2;MFCD00017787;NSC 87886;NSC87886;SCHEMBL1263624;DTXSID8061846;BAA64654;NSC-87886;AKOS015908362;AS-17923;SY051405;Benzene,4-dibromo-2,3,5,6-tetramethyl-;CS-0110425;D5168;FT-0697085;EN300-176148;F20982;A853503

Chemical Property of 1,4-Dibromo-2,3,5,6-tetramethylbenzene

Chemical Property:

• Vapor Pressure: 0.0013mmHg at 25°C
• Melting Point: 202-204 °C
• Boiling Point: 307.7°C at 760 mmHg
• Flash Point: 160.9°C
• PSA: 0.00000
• Density: 1.562g/cm³
• LogP: 4.44520
• Storage Temp.: Sealed in dry,Room Temperature
• Solubility.: soluble in Toluene
• XLogP3: 4.8
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 291.92853
• Heavy Atom Count: 12
• Complexity: 124

Purity/Quality:

99% ^*data from raw suppliers

3,6-Dibromodurene ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1=C(C(=C(C(=C1Br)C)C)Br)C

Technology Process of 1,4-Dibromo-2,3,5,6-tetramethylbenzene

There total 11 articles about 1,4-Dibromo-2,3,5,6-tetramethylbenzene 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: 96.0%

1,2,4,5-tetramethylbenzene (95-93-2) → 1,4-dibromodurene (1646-54-4)

Guidance literature:

With bromine; In chloroform; at 0 ℃;

DOI:10.1016/j.ica.2020.119500

Reference yield: 61.0%

1,2,4,5-tetramethylbenzene (95-93-2) → 1,4-dibromodurene (1646-54-4) + bromodurene (1646-53-3)

Guidance literature:

With hydrogen bromide; ethylammonium nitrate; In water; at 30 ℃; for 3h; Reagent/catalyst; regioselective reaction; Green chemistry;

DOI:10.1021/ol4001476

Reference yield: 50.0%

1,2,4,5-tetramethyl-3,6-dihydrobenzene (26976-92-1) → 1,4-dibromodurene (1646-54-4)

Guidance literature:

With iodosylbenzene; hydrogen bromide; In solid; for 0.0833333h; Ambient temperature;

DOI:10.1246/cl.1991.1391

upstream raw materials:

1,2,4,5-tetramethylbenzene

bromodurene

1,2,4,5-tetramethyl-3,6-dihydrobenzene

1,2,4,5-tetramethylcyclohexane

Downstream raw materials:

1,2,4,5-tetramethylbenzene

C₃₆H₂₉N

C₆₄H₅₂N₂O₄

(2,5-dibromo-3,4,6-trimethylphenyl)methanol

Refernces

• 1、 Sandanayake, Saman,Langford, Steven J.. "Crown ether derivatised pyromellitic diimides". . p. 1264 - 1269. Retrieved 2014.
• 2、 Suresh, Venkata M.,Bandyopadhyay, Arkamita,Roy, Syamantak,Pati, Swapan K.,Maji, Tapas Kumar. "Highly Luminescent Microporous Organic Polymer with Lewis Acidic Boron Sites on the Pore Surface: Ratiometric Sensing and Capture of F- Ions". . p. 10799 - 10804. Retrieved 2015.
• 3、 Zhou, Yating,Patterson, Rhian,Williams, P. Andrew,Kariuki, Benson M.,Hughes, Colan E.,Samanta, Ranita,Devarapalli, Ramesh,Reddy, C. Malla,Apperley, David C.,Harris, Kenneth D. M.. "Temperature-Dependent Structural Properties, Phase Transition Behavior, and Dynamic Properties of a Benzene Derivative in the Solid State". . p. 2155 - 2162. Retrieved 2019.
• 4、 Wang, Man,Liang, Gan,Wang, Yunhao,Fan, Tao,Yuan, Baoling,Liu, Mingxian,Yin, Ying,Li, Liangchun. "Merging N-Hydroxyphthalimide into Metal-Organic Frameworks for Highly Efficient and Environmentally Benign Aerobic Oxidation". supporting information. p. 9674 - 9685. Retrieved 2021/06/09.