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28320-34-5

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28320-34-5 Usage

Description

2-amino-7-bromo-9,9-dimethyl fluorene is a chemical compound with the molecular formula C15H14BrN. It is a brominated amine derivative of fluorene, a polycyclic aromatic hydrocarbon. 2-amino-7-bromo-9,9-dimethyl fluorene is characterized by its fluorescent properties and is utilized in various chemical and pharmaceutical applications, including the synthesis of organic compounds and as a building block for more complex molecules. The presence of the bromine atom in the compound imparts unique reactivity, making it an important intermediate in organic synthesis processes. Furthermore, it holds potential in the field of medicinal chemistry and pharmaceutical research.

Uses

Used in Chemical Synthesis:
2-amino-7-bromo-9,9-dimethyl fluorene is used as a building block in the synthesis of organic compounds for various applications. Its unique structure and reactivity make it a valuable component in creating more complex molecules.
Used in Pharmaceutical Research:
In the pharmaceutical industry, 2-amino-7-bromo-9,9-dimethyl fluorene is used as an intermediate in the development of new drugs. Its potential applications in medicinal chemistry are being explored for the creation of novel therapeutic agents.
Used in Advanced Materials and Dyes:
2-amino-7-bromo-9,9-dimethyl fluorene is used as a component in the development of advanced materials and dyes due to its fluorescent properties. These properties make it suitable for applications in various industries, such as in the production of specialty dyes and materials with unique optical characteristics.
Used in Organic Synthesis Processes:
2-amino-7-bromo-9,9-dimethyl fluorene is used as an important intermediate in organic synthesis processes, where its reactivity and the presence of the bromine atom contribute to the formation of desired products in chemical reactions.

Check Digit Verification of cas no

The CAS Registry Mumber 28320-34-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,3,2 and 0 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 28320-34:
(7*2)+(6*8)+(5*3)+(4*2)+(3*0)+(2*3)+(1*4)=95
95 % 10 = 5
So 28320-34-5 is a valid CAS Registry Number.

28320-34-5Relevant articles and documents

Toward two-photon absorbing dyes with unusually potentiated nonlinear fluorescence response

Benitez-Martin, Carlos,Li, Shiming,Dominguez-Alfaro, Antonio,Najera, Francisco,Pérez-Inestrosa, Ezequiel,Pischel, Uwe,Andréasson, Joakim

, p. 14854 - 14858 (2020)

The combination of two two-photon-induced processes in a F?rster resonance energy transfer (FRET)-operated photochromic fluorene-dithienylethene dyad lays the foundation for the observation of a quartic dependence of the fluorescence signal on the excitat

Design, synthesis and properties of near-infrared molecular switches containing a fluorene ring

Chen, Peng,Wang, Hai-Ming,Liu, Guo-Jie,Zhang, Sean Xiao-An

, p. 4456 - 4463 (2016/06/06)

Three molecular switches containing a fluorene ring were designed and synthesized. The introduction of the amino group substituted fluorene ring resulted in the target molecular switches having some optical properties in the near-infrared region. It was demonstrated that the N-substituents on the fluorene rings and the switch units both had great influence on the molecular switch optical properties including the absorption maximum, absorption intensity and fluorescence quantum yield. The open-ring forms IA and IIA showed obvious solvatochromic behaviour. The closed-ring forms IIB and IIIB showed obvious hydrochromic behaviour in MeCN/water binary solvent systems and acidichromic behaviour in MeCN solution with high reversibility. Especially, the distinct off-on fluorescence signal in the near-infrared region using the stimuli of acid means that the designed compounds have great potential application value in the field of biological sensing.

Design of donor-acceptor geometry for tuning excited-state polarization: Fluorescence solvatochromism of push-pull biphenyls with various torsional restrictions on their aryl-aryl bonds

Sasaki, Shunsuke,Niko, Yosuke,Klymchenko, Andrey S.,Konishi, Gen-Ichi

, p. 7551 - 7559 (2014/12/10)

In this work, push-pull biphenyl analogs (4-(N,N-dimethylamino)-4′-formylbiphenyl) with a modulated dihedral angle of the aryl-aryl bond, using a bridged structure or methyl groups, were synthesized. Photophysical measurements of the synthesized compounds revealed the effect of the torsion between N,N-dimethylaniline (donor) and benzaldehyde moieties (acceptor) on their solvatochromic properties. Our data showed that the sensitivity of the fluorescence maxima to solvent polarity gradually increases as the biphenyl chromophore was restricted to a twisted conformation. This finding indicates that changing the torsional restrictions on the donor-acceptor system can be a factor to take into account for the development of novel solvatochromic dyes.

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