2-Amino-9,9-dimethylfluorene Chemical Properties

Melting point:

166.0 to 170.0 °C

Boiling point:

374.2±21.0 °C(Predicted)

Density 

1.107

storage temp. 

Keep in dark place,Inert atmosphere,Room temperature

form 

Powder

pka

4.35±0.40(Predicted)

color 

Off-white

InChI

InChI=1S/C15H15N/c1-15(2)13-6-4-3-5-11(13)12-8-7-10(16)9-14(12)15/h3-9H,16H2,1-2H3

InChIKey

GUTJITRKAMCHSD-UHFFFAOYSA-N

SMILES

C1(C)(C)C2=C(C=CC=C2)C2=C1C=C(N)C=C2

CAS DataBase Reference

108714-73-4(CAS DataBase Reference)

Safety Information

HS Code 

2921490090

2-Amino-9,9-dimethylfluorene Usage And Synthesis

Uses

2-Amino-9,9-dimethylfluorene is a useful research chemical for organic synthesis and other chemical processes.

Uses

2-Amino-9,9-dimethylfluorene is used as an intermediate in pharmaceuticals, organic materials, and optoelectronic materials.

Chemical Properties

White solid

Synthesis

General procedure for the synthesis of 9,9-dimethyl-9H-fluoren-2-amine from 2-nitro-9,9-dimethylfluorene: 23.9 g (100.0 mmol) of 2-nitro-9,9-dimethylfluorene and 0.5 g of 10% Pd/activated carbon catalyst were suspended in 500 mL of ethanol, and the reaction was stirred for 24 h under hydrogen atmosphere. Upon completion of the reaction, the catalyst was removed by filtration and the filtrate was concentrated under reduced pressure and purified by column chromatography to afford 16.9 g of the light yellow solid product 9,9-dimethyl-9H-fluoren-2-amine in 81% yield. The structure of the product was confirmed by high resolution mass spectrometry (HR-MS) (calculated value: [M+H]+ 209.1204, measured value: [M+H]+ 209.1194).

References

[1] Journal of Materials Chemistry B, 2013, vol. 1, # 40, p. 5450 - 5455
[2] Patent: US8865322, 2014, B2. Location in patent: Page/Page column 26; 37; 38
[3] Patent: CN105418515, 2016, A. Location in patent: Paragraph 0012; 0040

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