2,6-DIBROMONAPHTHALENE

Base Information

• Chemical Name: 2,6-DIBROMONAPHTHALENE
• CAS No.: 13720-06-4
• Molecular Formula: C10H6Br2
• Molecular Weight: 285.966
• Hs Code.: 29039990
• Mol file: 13720-06-4.mol

Synonyms:2,6-Dibromonaphthalene;

Chemical Property of 2,6-DIBROMONAPHTHALENE

Chemical Property:

• Appearance/Colour: white or cream-colored crystalline powder
• Vapor Pressure: 0.000184mmHg at 25°C
• Melting Point: 163-166 °C
• Refractive Index: 1.688
• Boiling Point: 339.1 °C at 760 mmHg
• Flash Point: 184.7 °C
• PSA: 0.00000
• Density: 1.834 g/cm³
• LogP: 4.36480
• Storage Temp.: Sealed in dry,Room Temperature
• Water Solubility.: Insoluble in water.

Purity/Quality:

99%min ^*data from raw suppliers

2,6-Dibromonaphthalene ^*data from reagent suppliers

Safty Information:

• Pictogram(s): Xi,N
• Hazard Codes: Xi,N
• Statements: 37/38-41-51/53
• Safety Statements: 22-24/25-61-39-26

MSDS Files:

SDS file from LookChem

Useful:

• Uses: 2,6-Dibromonaphthalene is an important raw material and intermediate used in organic synthesis, pharmaceuticals and agrochemicals. It reacts with hexylmagnesium bromide to form 2,6-Dihexyl-naphthalene.

Technology Process of 2,6-DIBROMONAPHTHALENE

There total 20 articles about 2,6-DIBROMONAPHTHALENE 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%

2,6-dibromo-3,7-bis(trimethylsilyl)naphthalene (62131-92-4) → 2,6-dibromonaphthalene (13720-06-4)

Guidance literature:

With trifluoroacetic acid; In tetrachloromethane; Ambient temperature;

DOI:10.1021/ja00536a022

Reference yield: 82.0%

6-bromo-2-naphthalenyl trifluoromethanesulfonate (151600-02-1) → 2,6-dibromonaphthalene (13720-06-4)

Guidance literature:

With potassium fluoride; tris-(dibenzylideneacetone)dipalladium⁽⁰⁾; t-BuBrettPhos; potassium bromide; In 1,4-dioxane; at 130 ℃; for 16h; Inert atmosphere;

DOI:10.1021/ol202098h

Reference yield: 35.0%

2.6-dihydroxynaphthalene (581-43-1) → 2,6-dibromonaphthalene (13720-06-4)

Guidance literature:

With dibromotriphenylphosphorane; at 340 ℃; for 0.0833333h;

upstream raw materials:

1,4-dibromonaphthalene

1,5-dibromonaphthalene

6-Bromonaphthalen-2-amine

1,6-dibromonaphthalene

Downstream raw materials:

6-bromo-2,2'-binaphthyl

2-(biphenyl-3-yl)-6-bromonaphthalene

1,5-dinitro-2,6-bis(2'-nitrophenyl)naphthalene

(E,E)-2,6-Bis(2-phenylethenyl)naphthalin

Refernces

• 1、 Lawler et al.. "". . p. 2149,2150. Retrieved 1967.
• 2、 Pan, Jun,Wang, Xinyan,Zhang, Yong,Buchwald, Stephen L.. "An improved palladium-catalyzed conversion of aryl and vinyl triflates to bromides and chlorides". supporting information; experimental part. p. 4974 - 4976. Retrieved 2011/11/06.
• 3、 Shepherd, Michael K.. "Cyclobutarenes. Part 4. Biphenylenobiphenylene". . p. 1055 - 1060. Retrieved 2007/10/02.