28320-31-2

  • Product Name:2-Bromo-9,9-dimethylfluorene
  • Molecular Formula:C15H13Br
  • Purity:99%
  • Molecular Weight:
Inquiry

Product Details

Appearance:off kind of white crystallization

Factory sells 9-dimethylfluorene CAS NO.28320-31-2 in bulk supply with best price

  • Molecular Formula:C15H13Br
  • Molecular Weight:273.172
  • Appearance/Colour:off kind of white crystallization 
  • Vapor Pressure:0mmHg at 25°C 
  • Melting Point:68 °C 
  • Refractive Index:1.615 
  • Boiling Point:352.9 °C at 760 mmHg 
  • Flash Point:165.097 °C 
  • PSA:0.00000 
  • Density:1.346 g/cm3 
  • LogP:4.75540 

2-Bromo-9,9-dimethylfluorene 28320-31-2 Usage

2-Bromo-9,9-dimethylfluorene is a fluorene derivative which shows π-electron conjugation. It has a high fluorescent and high electron delocalization. It can be used as a conducting polymer in the fabrication of a variety of devices which include photoelectronic devices, organic light emitting diodes (OLEDs) and organic solar cells (OSCs).

 

InChI:InChI=1/C15H13Br/c1-15(2)13-6-4-3-5-11(13)12-8-7-10(16)9-14(12)15/h3-9H,1-2H3

28320-31-2 Relevant articles

Excited-state modulation via alteration of the heterocyclic moiety in 9,9-dimethylfluorene-based Ir(iii) phosphorescent dopants for blue PhOLEDs

Bo-Sun Yun,  So-Yoen Kim,  Jin-Hyoung Kim,  Sanghun Lee, Ho-Jin Son  and  Sang Ook Kang 

J. Mater. Chem. C, 2022,10, 4196-4207

2-Bromo-9,9′-dimethylfluorene (10.0 g, 36.6 mmol), pyrazole (7.5 g, 0.11 mol), CuI(I) (1.4 g, 7.32 mmol), and K 2 CO 3 (15.2 g, 0.11 mol) were dissolved in DMF (200 mL). The mixture …

Interrupted carbonyl-olefin metathesis via oxygen atom transfer

Ludwig, Jacob R.,Watson, Rebecca B.,Nasrallah, Daniel J.,Gianino, Joseph B.,Zimmerman, Paul M.,Wiscons, Ren A.,Schindler, Corinna S.

, p. 1363 - 1369 (2018)

Some of the simplest and most powerful carbon-carbon bond forming strategies take advantage of readily accessible ubiquitous motifs: carbonyls and olefins. The complex polycyclic frameworks in this product class appear as common substructures in organic materials, bioactive natural products, and recently developed pharmaceuticals.

Methyl-restricted rotor rotation on the stator produces high-efficiency fluorescence emission: a new strategy to achieve aggregation-induced emission

H Yang, X Zhou, T Hui, Y Han, X Jiang, J Yan

RSC advances, 2019

Mesitylene, 2-bromo-9,9-dimethylfluorene and all other chemicals and reagents were purchased from Aladdin Industrial Corporation. THF was distilled under dry nitrogen immediately …

Synthesis of Multideuterated (Hetero) aryl Bromides by Ag (I)-Catalyzed H/D Exchange

Guang-Qi Hu, Jing-Wen Bai, En-Ci Li, Kai-Hui Liu, Fei-Fei Sheng, and Hong-Hai Zhang*

Org. Lett. 2021, 23, 5, 1554–1560

In addition, brominated polyarenes including 1-bromonaphthalene, 2-bromonaphthalene, 2-bromonathraquinone, and 2-bromo-9,9-dimethylfluorene all showed good H/D exchange …

28320-31-2 Process route

9,9-dimethyl-9H-fluorene
4569-45-3

9,9-dimethyl-9H-fluorene

2-bromo-9,9-dimethyl-9H-fluorene
28320-31-2

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

Conditions
Conditions Yield
With sodium bromate; hydrogen bromide; trimethylbenzylammonium bromide; In dichloromethane; water; at 10 - 20 ℃; for 1.5h; under 760.051 Torr;
90%
With N-Bromosuccinimide; In dichloromethane; at 20 ℃; for 24h;
78%
With bromine; iron(III) chloride; In water; at 20 ℃; for 13h; Heating / reflux;
20%
With bromine;
 
2-bromo-9H-fluorene
1133-80-8

2-bromo-9H-fluorene

methyl iodide
74-88-4

methyl iodide

2-bromo-9,9-dimethyl-9H-fluorene
28320-31-2

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

Conditions
Conditions Yield
2-bromo-9H-fluorene; With potassium tert-butylate; In tetrahydrofuran; at 0 ℃; for 0.166667h;
methyl iodide; In tetrahydrofuran; at 0 - 20 ℃;
99%
With N-benzyl-N,N,N-triethylammonium chloride; sodium hydroxide; In dimethyl sulfoxide; at 0 ℃; for 0.5h;
99%
With potassium hydroxide; potassium iodide; In dimethyl sulfoxide; at 20 ℃; for 48h;
97%
2-bromo-9H-fluorene; With potassium hydroxide; potassium iodide; In dimethyl sulfoxide; for 0.5h;
methyl iodide; In dimethyl sulfoxide; at 20 ℃; for 48h;
97%
With triethylamine hydrochloride; sodium hydroxide; In dimethyl sulfoxide; at 20 ℃;
96%
With potassium tert-butylate; In dimethyl sulfoxide; at 20 - 80 ℃; for 13h; Inert atmosphere;
96.9%
2-bromo-9H-fluorene; With sodium t-butanolate; In tetrahydrofuran; at 0 - 20 ℃; for 1.5h; Inert atmosphere;
methyl iodide; In tetrahydrofuran; for 2h;
95.1%
With sodium hydroxide; In dimethyl sulfoxide; Inert atmosphere;
94%
With potassium iodide; potassium hydroxide; In dimethyl sulfoxide; at 20 - 60 ℃; Inert atmosphere;
93%
With potassium hydroxide; potassium iodide; In dimethyl sulfoxide; at 20 ℃;
92%
With sodium hydroxide; N-benzyl-N,N,N-triethylammonium chloride; In dimethyl sulfoxide; for 18h;
89%
With potassium tert-butylate; In tetrahydrofuran; at 5 - 20 ℃; for 5h;
87%
With potassium iodide; potassium hydroxide; In dimethyl sulfoxide; at 20 ℃; for 24h;
87.5%
With potassium iodide; potassium hydroxide; In dimethyl sulfoxide; at 20 ℃; for 24h;
86%
2-bromo-9H-fluorene; With sodium hydroxide; In dimethyl sulfoxide; at 20 ℃; for 1h;
methyl iodide; In dimethyl sulfoxide; at 20 ℃; for 4h;
80%
With tetrabutylammomium bromide; sodium hydroxide; In water; dimethyl sulfoxide; at 45 ℃; for 2h;
80%
With sodium hydroxide; N-benzyl-trimethylammonium hydroxide; In methanol; Heating;
76.2%
With potassium tert-butylate; In tetrahydrofuran; at 0 - 20 ℃; for 6.5h;
75%
With potassium tert-butylate; potassium iodide; In dimethyl sulfoxide; at 20 ℃;
73%
With sodium methylate;
 
2-bromo-9H-fluorene; With sodium hydride; In DMF (N,N-dimethyl-formamide); at 25 ℃; for 1h;
methyl iodide; In DMF (N,N-dimethyl-formamide); water; at 25 ℃; for 9h;
 
With potassium tert-butylate; In hexane; water; dimethyl sulfoxide;
 
2-bromo-9H-fluorene; With potassium hydroxide; In dimethyl sulfoxide;
methyl iodide; In dimethyl sulfoxide; at 25 ℃;
With water; In dimethyl sulfoxide;
 
With potassium iodide; potassium hydroxide; In dimethyl sulfoxide; at 30 ℃; for 12h;
 
With potassium hydroxide; potassium iodide; In dimethyl sulfoxide; at 10 - 30 ℃;
 
With N-benzyl-N,N,N-triethylammonium chloride; sodium hydroxide; In dimethyl sulfoxide; for 18h; Product distribution / selectivity; Inert atmosphere;
 
With N-benzyl-N,N,N-triethylammonium chloride; sodium hydroxide; In water; dimethyl sulfoxide; at 20 ℃;
 
2-bromo-9H-fluorene; With potassium hydroxide; In dimethyl sulfoxide; at 0 ℃; for 1h; Inert atmosphere;
methyl iodide; In dimethyl sulfoxide;
 
With potassium hydroxide; In dimethyl sulfoxide;
 
With potassium hydroxide; In dimethyl sulfoxide; for 24h;
 

28320-31-2 Upstream products

  • 4569-45-3
    4569-45-3

    9,9-dimethyl-9H-fluorene

  • 1133-80-8
    1133-80-8

    2-bromo-9H-fluorene

  • 74-88-4
    74-88-4

    methyl iodide

28320-31-2 Downstream products

  • 28320-62-9
    28320-62-9

    9,9-dimethyl-9H-fluorene-2-carboxylic acid

  • 1208005-86-0
    1208005-86-0

    (9,9-dimethylfluoren-2-yl)lithium

  • 885684-28-6
    885684-28-6

    C33H28N2

  • 676542-59-9
    676542-59-9

    2,9-bis(9,9-dimethyl-9H-fluoren-2-yl)-4,7-diphenyl-1,10-phenanthroline

Relevant Products