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4569-45-3

  • Product Name9,9-Dimethyl-9h-fluorene
  • Molecular FormulaC15H14
  • Molecular Weight194.27
  • Purity99%
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  • CasNo： 4569-45-3
  • Molecular Formula： C15H14
  • Purity： 99%

Pharmaceutical Intermediates 9,9-Dimethylfluorene 4569-45-3 with Good Price

  • Molecular Formula:C15H14
  • Molecular Weight:194.276
  • Appearance/Colour:Light yellow to white crystal powder 
  • Vapor Pressure:0.00196mmHg at 25°C 
  • Melting Point:96 °C 
  • Refractive Index:1.591 
  • Boiling Point:300.8 °C at 760 mmHg 
  • Flash Point:138.7 °C 
  • PSA：0.00000 
  • Density:1.04 g/cm3 
  • LogP:3.99290 

9,9-Dimethyl-9H-fluorene(Cas 4569-45-3) Usage

Isomeric SMILES CC1(C2=CC=CC=C2C3=CC=CC=C31)C

InChI:InChI=1/C15H14/c1-15(2)13-9-5-3-7-11(13)12-8-4-6-10-14(12)15/h3-10H,1-2H3

4569-45-3 Relevant articles

Metal-selective coordination and enhanced fluorescence of a self-assembling ligand scaffold

Bogie, Paul M.,Lyon, Yana,Holloway, Lauren R.,Julian, Ryan R.,Hooley, Richard J.

, p. 936 - 945 (2017)

A fluorescent hydroxyiminonicotinonitile...

Efficient luminescence from fluorene- and spirobifluorene-based lanthanide complexes upon near-visible irradiation

Bottaro, Gregorio,Rizzo, Fabio,Cavazzini, Marco,Armelao, Lidia,Quici, Silvio

, p. 4598 - 4607 (2014)

We describe herein the synthesis and pho...

Glutathione peroxidase mimics based on conformationally-restricted,peri-like, 4,5-disubstituted fluorene dichalcogenides

Capperucci, Antonella,Figliola, Carlotta,Grainger, Richard S.,Jagdev, Kesar,Lownes, Jack W.,Male, Louise,Tanini, Damiano

supporting information, p. 10565 - 10569 (2021/12/27)

Glutathione peroxidase (GPx) regulates c...

Fluorene-containing diamine monomer, polyimide film and preparation method and application thereof

-

Paragraph 0109-0111; 0114, (2021/05/12)

The invention relates to the technical f...

Solid-state construction of zigzag periphery: Via intramolecular C-H insertion induced by alumina-mediated C-F activation

Akhmetov, Vladimir,Amsharov, Konstantin,F?rtsch, Andreas,Feofanov, Mikhail

, p. 12325 - 12328 (2021/11/30)

Caryl-F bond activation has become an im...

Preparation method of 2-(4-biphenyl)amino-9,9-dimethylfluorene

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Paragraph 0016, (2019/07/04)

The invention belongs to the field of or...

4569-45-3 Process route

9H-fluorene
86-73-7

9H-fluorene

methyl iodide
74-88-4

methyl iodide

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

9,9-dimethyl-9H-fluorene

Conditions
Conditions Yield
Multistep reaction.;
100%
9H-fluorene; With potassium tert-butylate; In tetrahydrofuran; at 20 ℃; for 1.5h;
methyl iodide; In tetrahydrofuran; for 2h; Further stages.;
96%
9H-fluorene; With potassium tert-butylate; In tetrahydrofuran; at 20 ℃; for 1.5h; Inert atmosphere;
methyl iodide; In tetrahydrofuran; at 20 ℃; for 2h;
96%
9H-fluorene; With potassium tert-butylate; In tetrahydrofuran; at 0 ℃; for 0.166667h;
methyl iodide; In tetrahydrofuran; at 0 - 20 ℃;
95%
9H-fluorene; With potassium tert-butylate; In tetrahydrofuran; for 0.166667h; Schlenk technique; Inert atmosphere;
methyl iodide; In tetrahydrofuran; at 65 ℃; for 16h; Inert atmosphere; Schlenk technique;
92%
9H-fluorene; With potassium tert-butylate; In tetrahydrofuran; at 20 ℃; for 0.166667h; Inert atmosphere;
methyl iodide; In tetrahydrofuran; at 0 - 20 ℃; for 1.5h; Inert atmosphere;
89%
With potassium tert-butylate; In tetrahydrofuran; for 12h; Inert atmosphere;
86%
With potassium iodide; potassium hydroxide; In dimethyl sulfoxide; at 20 - 60 ℃;
84%
9H-fluorene; With potassium tert-butylate; In tetrahydrofuran; for 1h; Cooling with ice;
methyl iodide; In tetrahydrofuran;
82%
With potassium tert-butylate; In dimethyl sulfoxide; at 10 - 20 ℃; Inert atmosphere;
81.5%
With potassium tert-butylate; In dimethyl sulfoxide; at 10 - 20 ℃; for 24h; Inert atmosphere;
81.5%
With potassium tert-butylate; In tetrahydrofuran; at 0 - 20 ℃;
80%
With potassium iodide; potassium hydroxide; In dimethyl sulfoxide; at 70 - 75 ℃; for 6h; Inert atmosphere;
75.9%
With potassium tert-butylate; at 20 ℃; for 16h; Inert atmosphere;
45%
With potassium iodide; potassium hydroxide; In dimethyl sulfoxide;
 
9H-fluorene
86-73-7

9H-fluorene

carbonic acid dimethyl ester
616-38-6

carbonic acid dimethyl ester

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

9,9-dimethyl-9H-fluorene

Conditions
Conditions Yield
With sodium hydride; In N,N-dimethyl-formamide; at 25 - 35 ℃; for 2h; Solvent; Reagent/catalyst; Temperature; Green chemistry;
100%

4569-45-3 Upstream products

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    9H-fluoren-9-yllithium

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    9,9-dimethyl-fluorene-4-carboxylic acid

  • 74-88-4
    74-88-4

    methyl iodide

4569-45-3 Downstream products

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    2,7-dibromo-9,9-dimethyl-9H-fluorene

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    28320-37-8

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