2,7-Dibromo-9,9-dimethylfluorene

Base Information

• Chemical Name: 2,7-Dibromo-9,9-dimethylfluorene
• CAS No.: 28320-32-3
• Molecular Formula: C15H12Br2
• Molecular Weight: 352.068
• Hs Code.: 29039990
• European Community (EC) Number: 640-177-7
• DSSTox Substance ID: DTXSID70478035
• Nikkaji Number: J1.930.795F
• Wikidata: Q72464224
• Mol file: 28320-32-3.mol

Synonyms:2,7-dibromo-9,9-dimethylfluorene;28320-32-3;2,7-DIBROMO-9,9-DIMETHYL-9H-FLUORENE;9,9-Dimethyl-2,7-Dibromofluorene;2,7-Dibromo-9,9-dimethyl fluorene;MFCD00099471;C15H12Br2;9H-Fluorene, 2,7-dibromo-9,9-dimethyl-;SCHEMBL204806;DTXSID70478035;LONBOJIXBFUBKQ-UHFFFAOYSA-N;2,7-Dibromo-9,9'-Dimethylfluorene;AM9745;AKOS015912588;AC-4892;CS-W002369;SB66454;9H-Fluorene,2,7-dibromo-9,9-dimethyl;DS-18407;SY018329;A5386;D3859;FT-0657133;2,7-Dibromo-9,9-dimethyl-9H-fluorene, 99%;Q-101181

Chemical Property of 2,7-Dibromo-9,9-dimethylfluorene

Chemical Property:

• Vapor Pressure: 0mmHg at 25°C
• Melting Point: 180 °C
• Refractive Index: 1.635
• Boiling Point: 401.811 °C at 760 mmHg
• Flash Point: 230.294 °C
• PSA: 0.00000
• Density: 1.607 g/cm³
• LogP: 5.51790
• Storage Temp.: Sealed in dry,Room Temperature
• Solubility.: soluble in Toluene
• XLogP3: 5.8
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 0
• Exact Mass: 351.92853
• Heavy Atom Count: 17
• Complexity: 271

Purity/Quality:

98% ^*data from raw suppliers

2,7-Dibromo-9,9-dimethylfluorene ^*data from reagent suppliers

Safty Information:

• Pictogram(s): N
• Hazard Codes: N
• Statements: 50/53-53-50
• Safety Statements: 60-61

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CC1(C2=C(C=CC(=C2)Br)C3=C1C=C(C=C3)Br)C
• Uses: This material is a precursor to a number of organic semiconducting polymers for OPV as well as a variety of hole transport for OLED devices.

Technology Process of 2,7-Dibromo-9,9-dimethylfluorene

There total 5 articles about 2,7-Dibromo-9,9-dimethylfluorene 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: 99.0%

2,7-dibromo-9H-fluorene (16433-88-8) + methyl iodide (74-88-4) → 2,7-dibromo-9,9-dimethyl-9H-fluorene (28320-32-3)

Guidance literature:

With tetrabutylammomium bromide; sodium hydroxide; In dimethyl sulfoxide; for 5h; Sonication;

Reference yield: 99.0%

2,7-dibromo-9H-fluorene (16433-88-8) → 2,7-dibromo-9,9-dimethyl-9H-fluorene (28320-32-3)

Guidance literature:

With tetrabutylammomium bromide; sodium hydroxide; In dimethyl sulfoxide; at 20 ℃; for 5h;

Reference yield: 96.0%

→ 2,7-dibromo-9,9-dimethyl-9H-fluorene (28320-32-3)

Guidance literature:

With bromine; iodine; In chloroform; at 20 - 40 ℃; for 48h;

upstream raw materials:

9,9-dimethyl-9H-fluorene

2,7-dibromo-9H-fluorene

methyl iodide

Downstream raw materials:

7-bromo-9,9-dimethyl-9H-fluorene-2-carbaldehyde

2,7-di(p-tolylthio)-9,9-dimethyl-9H-fluorene

2,7-bis-(4-bromophen-1-yl)-9,9-dimethyl-9H-fluorene

10-(2-bromo-9,9-dimethyl-9H-fluoren-7-yl)-9-phenylanthracene

Refernces

• 1、 Li, Bing,Zhou, Jun,Bai, Fengying,Xing, Yongheng. "Lanthanide–organic framework based on a 4,4-(9,9-dimethyl-9H-fluorene-2,7-diyl) dibenzoic acid: Synthesis, structure and fluorescent sensing for a variety of cations and anions simultaneously". . . Retrieved 2020.
• 2、 Han, Yingying,Huang, Xintong,Hui, Tianqi,Yan, Jie,Yang, Haicheng,Zhao, Jinxin,Zhou, Xinyue. "Synthesis of new fluorene compounds for highly selective sensing of picric acid, Fe3+ and L-arginine". . . Retrieved 2020.
• 3、 Bigall, Nadja C.,Duvinage, Daniel,G?bel, Dominik,Nachtsheim, Boris J.,Rusch, Pascal. "Emission color-tunable oxazol(in)yl-substituted excited-state intramolecular proton transfer (ESIPT)-based luminophores". supporting information. p. 15430 - 15433. Retrieved 2020/12/25.