Synthesis and characterization of three novel azocalix[4]arene Schiff base derivatives and their selective copper extraction

2012 ◽  
Vol 9 (1) ◽  
pp. 93-100 ◽  
Author(s):  
Özlem Özen Karakuş ◽  
Hasalettin Deligöz
Keyword(s):  
Schiff Base ◽  
Synthesis And Characterization ◽  
Copper Extraction ◽  
Schiff Base Derivatives

scholarly journals Synthesis and Characterization of some New Schiff Bases of 2-Oxonaphtho[2,1-b][1,4]Oxazine

2014 ◽  
Vol 31 ◽  
pp. 26-30
Author(s):  
Pankaj Chovatiya ◽  
Charmy Mehta ◽  
Hardik Senjani ◽  
Anamik Shah ◽  
Hitendra S. Joshi
Keyword(s):  
Mass Spectrometry ◽  
Schiff Base ◽  
Literature Review ◽  
Wide Spectrum ◽  
Therapeutic Agents ◽  
Mass Spectrometry Analysis ◽  
Synthesis And Characterization ◽  
Spectrometry Analysis ◽  
Schiff Base Derivatives

The literature review reveal that [1,4]-oxazine derivatives represent one of the most active classes of compounds possessing wide spectrum of biodynamic activities and use as potent therapeutic agents. In the present work, a series of Schiff base of 2-(2,3-dihydro-2-oxonaphtho[2,1-b][1,4]oxazin-1-yl)acetohydrazide, 5a-5j has been synthesized using 1-aminonaphthalen-2-ol. Various aromatic aldehyde were react with carbohydrazide 4 in the presence of acid to produce the 2-oxonaphtho[2,1-b][1,4]oxazin Schiff base derivatives with good yields. All synthesized compounds were characterized by IR, NMR and Mass spectrometry analysis.

scholarly journals Synthesis and Characterization of Some New Heterocyclic Derivatives and Studying of their Biological Activity (Anti-Bacteria)

2020 ◽  
Vol 11 (01) ◽  
pp. 38-44
Author(s):  
Shaimaa A. Behjet ◽  
Zahraa F. Khudair
Keyword(s):  
Biological Activity ◽  
Schiff Base ◽  
Thioglycolic Acid ◽  
Diazonium Salt ◽  
Synthesis And Characterization ◽  
Second Step ◽  
Aminobenzoic Acid ◽  
Schiff Base Derivatives ◽  
Heterocyclic Derivatives

Introduction: In this work synthesis, many kinds of heterocyclic derivatives by many steps, the first we preparation 1-(4-((1H-imidazol_2-yl-) diazenyl) phenyl) ethan-1_one. (1) by coupling of diazonium salt of p-amino acetophenone with imidazole in alkaline alcoholic media, the second step include react (1) with 2_amino_6_methylpyrimidin _4_ol in acid medium to get Schiff base derivatives(2)the last step include react(2) with (sodium azide, thioglycolic acid, glycine, alanine, Tryptophan, (2 aminobenzoic acid), (2-mercaptobenzoic acid) to give (tetrazole(3), thiazolidine(4), imidazolidine(5-7), Thiazinie(8), Quinazoline (9) derivatives, respectively. All these derivatives Characterization by FTIR, 1HNMR, 13C-NMR, After that we studied the biological activity for all derivatives for all derivatives studied the anticancer for (2).

Synthesis and Characterization of Some New Esters Containing Heterocyclic and Derived From Azo Dyes

2019 ◽  
Vol 9 (02) ◽  
Author(s):  
Zena G. Alrecabi ◽  
Zainab Amer ◽  
Naeemah Al-Lami
Keyword(s):  
Schiff Base ◽  
13C Nmr ◽  
Azo Dyes ◽  
Spectral Methods ◽  
Anthranilic Acid ◽  
Heterocyclic Compounds ◽  
Synthesis And Characterization ◽  
Cooh Group ◽  
Molecular Weights

This study including prepared new colored esters containing heterocyclic with high molecular weights. In the first part of work we synthesized azo dyes [1,2] from the reaction p-toluidine with β-naphthol and o-nitro phenol, thin we synthesized Schiff bases [3,4] by the reaction anthranilic acid with benzaldehyde and dimethyl benzaldehyde. The reaction azo dyes (contain OH group) with Schiff base (contain COOH group) these led to produce the new colored esters [A1-A4]. The second part of work was modification the (C=N-) group in esters to heterocyclic compounds by reacting with phenyl iso cyanide to produce new β-lactam [B1-B4] and with anthranilic acid to get new hydroquinazoline [C1-C4]. All these compounds were characterized by physical properties and spectral methods FTIR, 1H-NMR and 13C-NMR.

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