9-Bromo-9,10-dihydro-9,10-ethenoanthracene

Base Information

• Chemical Name: 9-Bromo-9,10-dihydro-9,10-ethenoanthracene
• CAS No.: 126690-96-8
• Molecular Formula: C₁₆H₁₁Br
• Molecular Weight: 283.167
• Mol file: 126690-96-8.mol

Synonyms:9-bromodibenzobarrelene

Chemical Property of 9-Bromo-9,10-dihydro-9,10-ethenoanthracene

Chemical Property:

• Melting Point: 138.0 to 142.0 °C
• Solubility.: soluble in Toluene

Purity/Quality:

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

9-Bromo-9,10-dihydro-9,10-ethenoanthracene ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of 9-Bromo-9,10-dihydro-9,10-ethenoanthracene

There total 2 articles about 9-Bromo-9,10-dihydro-9,10-ethenoanthracene 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: 68.0%

9-Bromoanthracene (1564-64-3) + dimethyl 7-oxabicyclo[2.2.1]hepta-2,5-diene-2,3-dicarboxylate (1829-60-3) → 9-bromodibenzobarrelene (126690-96-8)

Guidance literature:

In various solvent(s); 1.) 120 deg C, 48 h, 2.) 200 deg C, 24 h;

DOI:10.1039/a901083a

Reference yield:

cis+trans-dibromoethylene (540-49-8) + anthracene (120-12-7) → 9-bromodibenzobarrelene (126690-96-8)

Guidance literature:

at 120 - 150 ℃;

DOI:10.1007/BF00846189

Reference yield: 75.0%

4-Bromophenylboronic acid (5467-74-3) + 9-bromodibenzobarrelene (126690-96-8) → C22H15Br

Guidance literature:

4-Bromophenylboronic acid; 9-bromodibenzobarrelene; With potassium carbonate; In ethanol; water; toluene; at 60 ℃; for 0.333333h;

With tetrakis(triphenylphosphine) palladium⁽⁰⁾; In ethanol; water; toluene; at 82 ℃; for 5h;

upstream raw materials:

cis+trans-dibromoethylene

anthracene

9-Bromoanthracene

dimethyl 7-oxabicyclo[2.2.1]hepta-2,5-diene-2,3-dicarboxylate

Refernces

• 1、 Brynda, Marcin,Geoffroy, Michel,Bernardinelli, Gerald. "Air-stable crystalline primary phosphines and germanes: Synthesis and crystal structures of dibenzobarellenephosphine and tribenzobarellenegermane". . p. 961 - 962. Retrieved 1999.