9H-Fluorene, 2,7-bis(phenylethynyl)-

Base Information

• Chemical Name: 9H-Fluorene, 2,7-bis(phenylethynyl)-
• CAS No.: 55718-44-0
• Molecular Formula: C29H18
• Molecular Weight: 366.462
• DSSTox Substance ID: DTXSID40366935
• Nikkaji Number: J1.617.406H
• Wikidata: Q82152435
• Mol file: 55718-44-0.mol

Synonyms:2,7-bis(2-phenylethynyl)-9H-fluorene;9H-Fluorene, 2,7-bis(phenylethynyl)-;55718-44-0;2,7-bis(phenylethynyl)fluorene;DTXSID40366935;2,7-bis(phenylethynyl)-9H-fluorene

Chemical Property of 9H-Fluorene, 2,7-bis(phenylethynyl)-

Chemical Property:

• XLogP3: 7.6
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 4
• Exact Mass: 366.140850574
• Heavy Atom Count: 29
• Complexity: 617

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: C1C2=C(C=CC(=C2)C#CC3=CC=CC=C3)C4=C1C=C(C=C4)C#CC5=CC=CC=C5

Technology Process of 9H-Fluorene, 2,7-bis(phenylethynyl)-

There total 1 articles about 9H-Fluorene, 2,7-bis(phenylethynyl)- 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: 79.0%

2,7-dibromo-9H-fluorene (16433-88-8) + phenylacetylene (536-74-3) → 2,7-bis(phenylethynyl)-9H-fluorene (55718-44-0)

Guidance literature:

With copper(l) iodide; diisopropylamine; tetrakis(triphenylphosphine) palladium⁽⁰⁾; In toluene; at 70 - 80 ℃; for 24h;

DOI:10.1021/jp010546n

Reference yield: 68.0%

dicobalt octacarbonyl (15226-74-1,61091-28-9,61117-58-6) + 2,7-bis(phenylethynyl)-9H-fluorene (55718-44-0) → C41H18Co4O12

Guidance literature:

In tetrahydrofuran; at 25 ℃; Inert atmosphere;

DOI:10.1039/d0nj05699e

Reference yield: 11.0%

2,7-bis(phenylethynyl)-9H-fluorene (55718-44-0) → 2,7-bis(phenylglyoxaloyl)fluorenone (50559-10-9) + 1-[7-(2-Oxo-2-phenyl-acetyl)-9H-fluoren-2-yl]-2-phenyl-ethane-1,2-dione

Guidance literature:

With iodine; In dimethyl sulfoxide; at 115 ℃; for 7h;

upstream raw materials:

2,7-dibromo-9H-fluorene

phenylacetylene

Downstream raw materials:

2,7-bis(phenylglyoxaloyl)fluorenone