2,7-Dibromo-9,9-diethylfluorene

Base Information

• Chemical Name: 2,7-Dibromo-9,9-diethylfluorene
• CAS No.: 197969-58-7
• Molecular Formula: C17H16 Br2
• Molecular Weight: 380.122
• DSSTox Substance ID: DTXSID10393379
• Nikkaji Number: J1.988.247K
• Wikidata: Q72464120
• Mol file: 197969-58-7.mol

Synonyms:2,7-Dibromo-9,9-diethylfluorene;197969-58-7;2,7-dibromo-9,9-diethyl-9H-fluorene;9H-Fluorene, 2,7-dibromo-9,9-diethyl-;2,7-dibromo-9,9-diethyl-fluorene;SCHEMBL1086094;YSZC1489;DTXSID10393379;TYECWABMXAYFSG-UHFFFAOYSA-N;9,9-diethyl-2,7-dibromofluorene;AKOS015895998;AC-5812;CS-0170302;FT-0659432;A813954

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

Chemical Property:

• Vapor Pressure: 4.33E-07mmHg at 25°C
• Boiling Point: 426.6°C at 760 mmHg
• Flash Point: 247.8°C
• PSA: 0.00000
• Density: 1.494
• LogP: 6.29810
• XLogP3: 6.9
• Hydrogen Bond Donor Count: 0
• Hydrogen Bond Acceptor Count: 0
• Rotatable Bond Count: 2
• Exact Mass: 379.95983
• Heavy Atom Count: 19
• Complexity: 295

Purity/Quality:

98%, ^*data from raw suppliers

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

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Canonical SMILES: CCC1(C2=C(C=CC(=C2)Br)C3=C1C=C(C=C3)Br)CC

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

There total 6 articles about 2,7-Dibromo-9,9-diethylfluorene 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: 98.0%

ethyl bromide (74-96-4) + 2,7-dibromo-9H-fluorene (16433-88-8) → 2,7-dibromo-9,9-diethyl-9H-fluorene (197969-58-7)

Guidance literature:

With tetrabutylammomium bromide; potassium hydroxide;

DOI:10.1002/adma.201202145

Reference yield: 85.0%

2,7-dibromo-9H-fluorene (16433-88-8) + ethyl iodide (75-03-6) → 2,7-dibromo-9,9-diethyl-9H-fluorene (197969-58-7)

Guidance literature:

With potassium tert-butylate; In dimethyl sulfoxide; at 0 ℃;

DOI:10.1166/jnn.2018.14948

Reference yield: 79.0%

9,9-diethyl-9H-fluorene (2294-79-3) → 2,7-dibromo-9,9-diethyl-9H-fluorene (197969-58-7)

Guidance literature:

With bromine; iodine; In dichloromethane; at 20 ℃; for 24h;

DOI:10.1039/a903374b

upstream raw materials:

9,9-diethyl-9H-fluorene

ethyl bromide

2,7-dibromo-9H-fluorene

9H-fluorene

Downstream raw materials:

2-bromo-7-(4-(diphenylamino)phenyl)-9,9-diethylfluorene

5-(2-(4-(diphenylamino)phenyl)-9,9-diethylfluorene-7-yl)-3-hexylthiophene-2-carbaldehyde

3-(5-(2-(4-(diphenylamino)phenyl)-9,9-diethylfluorene-7-yl)-3-hexylthiophene-2-yl)-2-cyanoacrylic acid

9,9-diethyl-2,7-bis-(4-methoxy-phenyl)-9H-fluorene

Refernces

• 1、 Ortega,Ramirez,Cattin,Díaz,del Valle,Bernède. "Synthesis, characterization and photo physical-theoretical analysis of D-π-A compounds. 2. Chain length effect through even-odd effect on the photophysical properties". . p. 75 - 82. Retrieved 2017.
• 2、 De La Harpe, Kimberly,Gray, Thomas G.,Grusenmeyer, Tod A.,Haley, Joy E.,Malloy, Jacob T.,Marsh, Zachary M.,Mihaly, Joseph J.,Phillips, Alexis T.,Zeller, Matthias. "Synthesis and Photophysical Properties of Laterally Asymmetric Digold(I) Alkynyls and Triazolyl: Ancillary Ligand and Organic Functionality Dictate Excited-State Dynamics". . . Retrieved 2020.
• 3、 Yi, Chang,Song, Bo,Tian, Wenwen,Cui, Xia,Qi, Qi,Jiang, Wei,Qi, Zhengjian,Sun, Yueming. "Fluorescent sensor of fluorene derivatives having phosphonic acid as a fluorogenic ionophore: Synthesis and static quenched properties for Fe(III)". . p. 5119 - 5123. Retrieved 2014.
• 4、 -. "PIPERAZINE-CONTAINING TWO-PHOTON ABSORBING COMPOUNDS". Paragraph 0038. . Retrieved 2018/10/19.
• 5、 -. "Fluorene bridged cyclic N-heterocyclic carbene silver complex as well as preparation method and application thereof". Paragraph 0018. . Retrieved 2018/07/30.