2,7-Bis(bromomethyl)-9,9-dihexyl-9H-fluorene

Base Information

• Chemical Name: 2,7-Bis(bromomethyl)-9,9-dihexyl-9H-fluorene
• CAS No.: 187148-75-0
• Molecular Formula: C27H36 Br2
• Molecular Weight: 520.391
• Hs Code.: 2903999090
• European Community (EC) Number: 623-672-2
• DSSTox Substance ID: DTXSID90584622
• Nikkaji Number: J1.172.219I
• Wikidata: Q82476304
• Mol file: 187148-75-0.mol

Synonyms:2,7-Bis(bromomethyl)-9,9-dihexyl-9H-fluorene;187148-75-0;2,7-BIS(BROMOMETHYL)-9,9-DIHEXYLFLUORENE;2 7-BIS(BROMOMETHYL)-9 9-DIHEXYL-9H-FLU&;SCHEMBL21591018;DTXSID90584622;CS-0448858;2,7-Bis(bromomethyl)-9,9-dihexyl-9H-fluorene, 97%

Chemical Property of 2,7-Bis(bromomethyl)-9,9-dihexyl-9H-fluorene

Chemical Property:

• Melting Point: 39-43 °C
• PSA: 0.00000
• LogP: 9.68370
• XLogP3: 11
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 12
• Exact Mass: 520.11633
• Heavy Atom Count: 29
• Complexity: 420

Purity/Quality:

97% purity ^*data from raw suppliers

2,7-Bis(bromomethyl)-9,9-dihexyl-9H-fluorene 97% ^*data from reagent suppliers

Safty Information:

• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 26-36

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

• Canonical SMILES: CCCCCCC1(C2=C(C=CC(=C2)CBr)C3=C1C=C(C=C3)CBr)CCCCCC
• Uses: A monomer for blue-green light emitting polymers

Technology Process of 2,7-Bis(bromomethyl)-9,9-dihexyl-9H-fluorene

There total 9 articles about 2,7-Bis(bromomethyl)-9,9-dihexyl-9H-fluorene 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: 97.0%

(9,9'-dihexyl-7-hydroxymethyl-9H-fluorene-2-yl)methanol (295796-56-4) → 2,7-bis(bromomethyl)-9,9'-dihexyl-9H-fluorene (187148-75-0)

Guidance literature:

With phosphorus tribromide; In benzene; at 45 ℃; for 6h;

DOI:10.1021/ma025862u

Reference yield: 88.0%

formaldehyd (50-00-0,30525-89-4,61233-19-0) + 9,9-dihexyl-9H-fluorene (123863-97-8) → 2,7-bis(bromomethyl)-9,9'-dihexyl-9H-fluorene (187148-75-0)

Guidance literature:

formaldehyd; 9,9-dihexyl-9H-fluorene; at 0 ℃;

With hydrogen bromide; acetic acid; at 65 ℃; for 24h; Further stages.;

DOI:10.1002/chem.200501037

Reference yield:

1-bromo-hexane (111-25-1) → 2,7-bis(bromomethyl)-9,9'-dihexyl-9H-fluorene (187148-75-0)

Guidance literature:

Multi-step reaction with 4 steps

1: 95 percent / triethylbenzylammonium chloride; aq. NaOH / dimethylsulfoxide / 5 h / 20 °C

2: 99 percent / PdCl₂; Et₃N; PPh₃ / 5 h / 150 °C

3: 89 percent / DIBAL / tetrahydrofuran / 3 h / -78 °C

4: 97 percent / PBr₃ / benzene / 6 h / 45 °C

With sodium hydroxide; N-benzyl-N,N,N-triethylammonium chloride; phosphorus tribromide; diisobutylaluminium hydride; triethylamine; triphenylphosphine; palladium dichloride; In tetrahydrofuran; dimethyl sulfoxide; benzene;

DOI:10.1021/ma025862u

upstream raw materials:

(9,9'-dihexyl-7-hydroxymethyl-9H-fluorene-2-yl)methanol

formaldehyd

9,9-dihexyl-9H-fluorene

9H-fluorene