Results 21 to 30 of about 19,427 (293)
Synthesis and Identification of Phenyl Azochalcone & bis- azo – Chalcone Derivatives Derived from P-amino Acetophenone [PDF]
Kirkuk Journal of Science, 2018 This work involves the synthesis of different substituted amino-chalcones via claisen- schmidt condensation reaction between p-amino acetophenone and different aromatic substituted benzaldehydes. The second step involves the conversion of amino-chalcones
Zahraa Talib Ghlib +2 more
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Ammonium chloride mediated reduction of azo compounds to hydrazo compounds [PDF]
, 2004 The reduction of azo compounds with magnesium powder as catalyst in the presence of ammonium chloride at room temperature in methanol leads to hydrazo ...
Chenne Gowda, D. +5 more
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, 2014 Citation: 'azo compounds' in the IUPAC Compendium of Chemical Terminology, 3rd ed.; International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. 10.1351/goldbook.A00560 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual terms. Requests for commercial
openaire +1 more source
Preparation characterization and biological activity of some new tetra - azo compounds
مجلة علوم ذي قار, 2019 In this paper , preparation and characterization of some tetra azo compounds .Azo coupling of 3`,3,4`,4- tetra amino biphenyl with phenol and some phenol derivatives in alkaline solution gave azo dyes. I.R and U.V.
ojs_admin, Maged Muzael
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The Absorption Colour of Organic Azo Compounds [PDF]
, 1978 Quantum chemical methods permit one to reveal scope and limitations of composite-molecule models formerly proposed to rationalize the absorption behaviour of azo compounds in the visible region.
Fabian, Jürgen, Jürgen Fabian
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Synthesized azodyes of 2-amino-1, 3, 4- thiadiazole - 5 - thiol
مجلة بغداد للعلوم, 2011 Several azo dyes were synthesized through coupling reaetion of some substituted phenols and B.naphthol with diazonium salt of 2- amino-1,3-4- thiadiazol -5- thiol. All the synthesized compounds during this work were characterized using some speetral data
Baghdad Science Journal
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Facile synthesis of azo compounds from aromatic nitro compounds using magnesium and triethylammonium formate [PDF]
, 2004 Magnesium/triethylammonium formate is a convenient reagent for the reduction of aromatic nitro compounds to corresponding symmetrically substituted azo compounds.
Abiraj, K. +2 more
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Azo compounds in colon-specific drug delivery [PDF]
, 2007 Azo compounds have the potential to act as drug carriers that facilitate the selective release of therapeutic agents to the colon, and also to effect the oral administration of those macromolecular drugs that require colon-specific drug delivery.
Laight, D.W. +5 more
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Results in Chemistry, 2022 Ag(I), Pt(IV), and Au(III) metal complexes of novel ligand 2-[2′-(6-methoxybenzothiazolyl)azo]-3-methyl-4-nitro phenol (6-MBTAMN) have been synthesized and characterized by 1H NMR, 13C NMR, FT-IR, UV–vis, Mass spectra, CHNS, atomic absorption ...
Khalid J. Al-Adilee +2 more
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Removal of colour from solutions of azo dyes using bacterial cells (Shewanella strain J18 143) [PDF]
, 2007 Water pollution control is presently one of the major areas of scientific activity. While coloured organic compounds generally impart only a minor fraction of the organic load to wastewater, their colour renders them aesthetically unacceptable.
Li, Tie
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