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N,N'-bis(2-hydroxy-alpha-methylbenzylidene)ethylenediamine, also known as N,N'-Bis(salicylidene)-1,2-diaminoethane or simply BSA, is an organic compound with the chemical formula C18H20N2O2. It is a chelating agent that forms stable complexes with metal ions, particularly copper(II) ions. BSA is widely used in various applications, including analytical chemistry, as a reagent for the determination of copper, and in the pharmaceutical industry for the synthesis of drugs and as a ligand in metalloenzymes. The compound is characterized by its ability to bind to metal ions through its two hydroxyl groups and two nitrogen atoms, which contribute to its stability and selectivity in complexation reactions.

5464-60-8

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  • (6Z)-6-[1-[2-[[(1Z)-1-(6-oxo-1-cyclohexa-2,4-dienylidene)ethyl]amino]ethylamino]ethylidene]cyclohexa-2,4-dien-1-one

    Cas No: 5464-60-8

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5464-60-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 5464-60-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,4,6 and 4 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 5464-60:
(6*5)+(5*4)+(4*6)+(3*4)+(2*6)+(1*0)=98
98 % 10 = 8
So 5464-60-8 is a valid CAS Registry Number.

5464-60-8Relevant articles and documents

Synthesis and electrocatalytic properties of a dinuclear copper(II) complex for generating hydrogen from acetic acid or water

Fang, Ting,Li, Wei,Zhan, Shu-Zhong,Wei, Xiao-Lan

, p. 573 - 585 (2015)

The reaction of CuCl2s2H2O and a tetradentate amine phenol ligand affords a dinuclear Cu(II) complex, 1, a new molecular electrocatalyst, whose structure has been determined by X-ray crystallography. Electrochemical studies show that

A fluorescent "turn-on" sensor for the biologically active Zn2+ ion

Tayade, Kundan,Sahoo, Suban K.,Chopra, Shweta,Singh, Narinder,Bondhopadhyay, Banashree,Basu, Anupam,Patil, Nilima,Attarde, Sanjay,Kuwar, Anil

, p. 538 - 543 (2014)

A linear Schiff-based receptor (L) containing two imino phenol units was developed for the selective fluorescent sensing of Zn2+ with a discriminating enhancement of 12-folds over the other surveyed cations. Within the huge plethora of Zn2

Synthesis, characterization, and X-ray crystal structure of cobalt(III) complexes with a N2O2-donor Schiff base and ancillary ligands. Spectral, antibacterial activity, and electrochemical studies

Salehi, Mehdi,Amirnasr, Mehdi,Meghdadi, Soraia,Mereiter, Kurt,Bijanzadeh, Hamid R.,Khaleghian, Ali

, p. 90 - 97 (2014)

The synthesis and characterization of a series of cobalt(III) complexes of the general type trans-[Co(Me-salen)(L2)]X, are described. The H 2Me-salen = N,N′-bis(methylsalicylidene)-1,2-ethylenediimine) and the two ancillary ligands (

The salen based chemosensors for highly selective recognition of Zn2+ ion

Zhu, Wenkai,Du, LongChao,Li, Wensheng,Zuo, Jinyan,Shan, Jingrui

, p. 501 - 509 (2018)

Two novel salen based chemosensors have been successfully synthesized. UV–vis absorption, fluorescence emission spectroscopy and cyclic voltammetry (CV) were exploited to investigate their recognition toward various metal ions, including Na+, K+, Mg2+, Al3+, Zn2+, Ag+, Pb2+, Co2+, Li+, Ba2+, Ca2+, Cd2+, La3+, Cu2+ and Mn2+ ions. The results indicated that the sensor L1 and L2 exhibited highly selective and sensitive recognition for Zn2+ ions. The binding stoichiometry ratio of L1-Zn2+/L2-Zn2+ were recognized as 4:1 by the method of Job's plot. Meanwhile, this investigation is confirmed by 1H NMR. These results indicated that L1 and L2 can be applied as chemosensor for the detection of Zn2+ ion.

Syntheses, three types of hydrogen-bonded assembly structures, and magnetic properties of [FeIII(Him)2(hapen)]Y·solvent (Him = imidazole, hapen =N,N′-bis(2-hydroxyacetophenylidene)ethylenediamine, y = BPh4-, CF<

Koike, Masataka,Murakami, Keishiro,Fujinami, Takeshi,Nishi, Koshiro,Matsumoto, Naohide,Sunatsuki, Yukinari

, p. 185 - 192 (2013)

Five iron(III) complexes of [FeIII(Him)2(hapen)] Y·solvent with five different counter anions were synthesized, where Him = imidazole, H2hapen = N,N′-bis(2-hydroxyacetophenylidene) ethylenediamine, Y = BPh4

Existence of stronger C[sbnd]H···π(chelate ring) interaction compared to C[sbnd]H···π(arene) interactions in the supramolecular assembly of dinuclear iron(III) Schiff base complexes: A theoretical insight

Basak, Tanmoy,Frontera, Antonio,Chattopadhyay, Shouvik

, (2021)

Two centrosymmetric dinuclear iron(III) complexes, [(μ-O)(FeL)2] (1) and [Fe2L2(N3)2] (2) {H2L = 1,2-Bis[[1-(2-hydroxyphenyl)ethylidene]amino]ethane} have been synthesized and characterized

Diorgano-gallium and -indium complexes with salen ligands: Synthesis, characterization, crystal structure and C-C coupling reactions

Kushwah, Nisha P.,Pal, Manoj K.,Wadawale, Amey P.,Jain, Vimal K.

, p. 2375 - 2379 (2009)

The reactions of triorgano-gallium and -indium etherate with salen ligands in benzene afforded complexes of the type [R2MOC6H4CR′{double bond, long}NCH2-]2, (R/M/R′ = Me/Ga/H (1), Et/Ga/H (2), Me/In/H (3), Et/Ga/Me (4)) in nearly quantitative yields. These complexes have been characterized by elemental analysis, IR, UV-Vis, NMR (1H and 13C{1H}) and mass spectral data. The organogallium complexes showed photoluminescence in blue-green region. The complex, [(Me2Ga)2(O-(C6H4)CH{double bond, long}N-CH2-)2] on recrystallization from benzene-hexane and dichloromethane gave orthorhombic and monoclinic forms, respectively. Both the forms are dimeric with gallium atoms acquiring a distorted tetrahedral configuration defined by two methyl groups, phenolate oxygen and azomethene nitrogen. The complexes [(Me2Ga)2(O-(C6H4)CH{double bond, long}N-CH2-)2] and [(Me2In)2(O-(C6H4)CH{double bond, long}N-CH2-)2] have been employed as alkylating agent for C-C coupling reaction of 1-bromonaphthalene in presence of PdCl2(PPh3)2.

Synthesis, characterization and spectral investigation of Salen-type cobalt(III) schiff base complexes. X-ray crystal structure of trans-[Co(Me-Salen)(3-acetylpyridine)2]ClO41

Salehi,Mereiter,Amirnasr

, p. 573 - 578 (2012)

Two new cobalt(III) complexes of the Schiff base N,N'- bis(methylsalicylidene)-1,2-ethylenedi-imine dianion (Me-Salen), trans-[Co(Me-Salen)(L)2]ClO4 (L = 3-acetylpyridine) (I) and (L = 4-acetylpy-ridine) (II), have been synthesized a

Novel nanohybrids of cobalt(III) Schiff base complexes and clay: Synthesis and structural determinations

Kianfar, Ali Hossein,Mahmood, Wan Ahmad Kamil,Dinari, Mohammad,Azarian, Mohammad Hossein,Khafri, Fatemeh Zare

, p. 422 - 428 (2014)

The [Co(Me2Salen)(PBu3)(OH2)]BF 4 and [Co(Me2Salen)(PPh3)(Solv)]BF4, complexes were synthesized and characterized by FT-IR, UV-Vis, 1H NMR spectroscopy and elemental a

Tuning of the reaction parameters to optimize allylic oxidation of cyclohexene catalyzed by zeolite-Y entrapped transition metal complexes

Godhani, Dinesh R.,Nakum, Haresh D.,Parmar, Digvijaysinh K.,Mehta, Jignasu P.,Desai, Nisheeth C.

, p. 37 - 55 (2016/02/18)

The synthetic protocols for entrapment of transition metal complexes reported here are to expand the diversity in catalysis made possible by the ability of microporous solid to select reactants, transition states, and products based on their molecular size. Herein, we report a synthetic route for the entrapment of transition metal complexes within the nanopores of zeolite-Y. The complexes of transition metals [M = Fe(II), VO(IV)] with Schiff base ligands that are synthesized by simple condensation of 2-hydroxyacetophenone and/or 2-hydroxy-5-chloroacetophenone with ethylenediamine have been entrapped within nanopores of zeolite-Y by flexible ligand method. These materials have been characterized by various physicochemical and spectroscopic techniques such as ICP-OES, FT-IR, 1H and 13C NMR, elemental analyzes, and UV-vis electronic spectral studies, BET, TGA, scanning electron micrographs (SEMs), X-ray diffraction patterns (XRD), conductivity, magnetic susceptibilities as well as AAS. These synthesized catalysts have been utilized as heterogeneous catalysts for liquid phase oxidation of cyclohexene. The reaction parameters have been tuned to optimize higher cyclohexene conversion (%) along with higher selectivity towards the formation of corresponding allylic products. These catalysts were recovered and reused for three times without remarkable loss of activity. Moreover, the intermediate species involved during the catalytic oxidation reaction was synthesized and identified by FTIR and UV-vis spectroscopy.

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