7252-64-4

Upstream product

• 90-15-3 α-naphthol 
• 106-47-8 4-chloro-aniline 
• 17333-85-6 4-chlorophenyldiazonium salt 

Downstream Products

• 21720-68-3 2-(phenylamino)-4-(phenylimino)-1(4H)-naphthalenone 
• 71811-77-3 1-Methoxy-4-(p-chlorophenylazo)-naphthalin 
• 36853-56-2 Naphthochinon-(1,4)-yl-(4-chlor-phenylhydrazon) 
• 130-15-4 [1,4]naphthoquinone 
• 1357515-09-3 C₂₉H₂₇ClN₂O₃ 
• 1357515-05-9 C₂₅H₁₉ClN₂O₃ 
• 1357515-06-0 C₂₆H₂₁ClN₂O₃ 
• 1357515-08-2 C₂₈H₂₅ClN₂O₃ 
• 1357515-10-6 C₃₀H₂₉ClN₂O₃ 
• 1357515-11-7 C₃₉H₄₇ClN₂O₃ 
• 1357515-04-8 C₂₄H₁₇ClN₂O₃ 
• 1357515-07-1 C₂₇H₂₃ClN₂O₃ 

Relevant academic research and scientific papers

Synthesis of a nitrite functionalized star-like poly ionic compound as a highly efficient nitrosonium source and catalyst for the diazotization of anilines and subsequent facile synthesis of azo dyes under solvent-free conditions

Nitrite functionalized star-like poly ionic (NFSPI) compound was synthesized and used as a highly efficient nitrosonium source and catalyst for the conversion of aniline derivatives to diazonium salts. Azo dyes were prepared via in situ azo-coupling reaction of these diazoniums with active aromatic compounds under solvent-free conditions in very short reaction time in excellent yields. NFSPI plays dual role as a three-dimensional nitrosonium source and catalyst because of its poly ionic characteristic. The isolated products were confirmed with FT-IR spectrum, 1H-NMR, 13C-NMR spectroscopy and CHNSO analysis. The structure of heterogeneous reagent and catalyst was confirmed by FT-IR spectrum, SEM images, EDX and CHNSO analysis. Yields and reaction times for the synthesis of a variety of products via this procedure were compared with reported values in literature.

Nano-Fe3O4 encapsulated-silica supported boron trifluoride as a novel heterogeneous solid acid for solvent-free synthesis of arylazo-1-naphthol derivatives

Nano-Fe3O4 encapsulated-silica supported boron trifluoride (Fe3O4@SiO2-BF3) as a new type of green heterogeneous solid acid was prepared by the immobilization of BF3·Et2O on the surface of Fe3O4@SiO2 core-shell nanoparticles and characterized by Fourier transform-infrared spectroscopy (FT-IR), X-ray diffraction (XRD), vibrating sample magnetometer (VSM), field emission-scanning electron microscope (FE-SEM), energy dispersive X-ray (EDS), and transmission electron microscope (TEM). Then, this super solid acid was used as an acidic reagent for the synthesis of aryl diazonium salts as a starting reactant, followed by its diazo coupling with 1-naphthol in a basic solvent-free medium at room temperature. The main advantages of this clean method were high yields, short reaction times, the possibility of performing it at room temperature, and no need of corrosive and toxic liquid acids and solvents. In addition, the long-term stability of aryl diazonium salts supported on Fe3O4@SiO2-BF3 magnetic nanoparticles (MNPs) at room temperature was one of the most important results of this procedure. This journal is

Facile synthesis of 1-naphthol azo dyes with nano Sio2/Hio4 under solvent-free conditions

Nano-silica supported periodic acid (nano-SPIA) has been utilized as a heterogeneous reagent for a highly efficient and one pot synthesis of azo dyes based on 1-naphthol under solvent-free conditions at room temperature. This method has some advantages, the reaction workup is very easy and the catalyst can be easily separated from the reaction mixture and one-pot procedure. The related products have been obtained in good to excellent yields, high purity and short reaction times. The structures of the products have been characterized by several techniques using UV-Vis, FT-IR, 1H NMR, 13C NMR and mass spectra.

Synthesis and mesomorphism of novel liquid crystalline: 4-(4-n-alkoxy benzoyloxy)-naphthylazo-4-chlorobenzenes

A new azoester homologous series 4-(4-n-alkoxy benzoyloxy)-naphthylazo-4- chlorobenzenes is synthesized. Its first and second homologues are nonmesomorphic, while the rest of the homologues are mesomorphic, showing enantiotropic nematic behavior. Smectic character is totally absent. An odd-even effect is observed in the nematic-isotropic transition curve with alternation in transition temperatures. The average thermal stability and liquid crystal behavior for the nematic mesophase are compared with structurally similar homologous series. Analytical data support the structures of the molecules. The texture of the nematic mesophase is of threaded type. Transition temperatures are observed through hot-stage polarizing microscope. Analytical data support the structures.

Synthesis and photochemical properties of cationic cyclopentadienyliron containing arylazo chromophores

Two kinds of cationic cyclopentadienyliron complexes containing arylazo chromophores (Azo-Fc) were synthesized through the nucleophilic aromatic substitution reactions of cyclopentadienyliron chlorobenzene complexes. The synthesized Azo-Fc was characterized by LC-MS, IR, and 1H NMR. The influence of substituents and the aryl ring on spectral data of the synthesized compounds is described. Unlike other cationic cyclopentadienyliron complexes, Azo-Fc hardly underwent photolysis and showed no photo-initiating abilities in the cationic polymerization under photo-irradiation; in addition, trans/cis isomerization by irradiation is possible at different wavelengths.