Results 21 to 30 of about 26,151 (255)

Synthesis of azo- Schiff base and azo-oxazepine compounds from nucleus of 2,6-diaminopyridine by using Microwave Irradiation [PDF]

Kirkuk Journal of Science, 2017
Some new azo-schiff bases were prepared by reacting aromatic diazonium salts with aromatic Schiff bases .azo-oxazepine was prepared from the latter comounds via cycloaddition reaction with maleic anhydride using the enviorement friendly microwave ...
Ahmed Mousa Al-salami, Nihad Ismael Al-khafaf, Ahmood Khalaf Al-Jaboure   +2 more
doaj   +1 more source

Chlorido{(E)-1-[(2-methoxyphenyl)diazenyl]naphthalen-2-olato}palladium(II)

IUCrData, 2016
In the title complex, [Pd(C17H13N2O2)Cl], the PdII atom is tetracoordinated by an N and two O atoms of an (E)-1-[(2-methoxyphenyl)diazenyl]naphthalen-2-olate ligand and by a Cl atom, and has a square-planar coordination.
Assia Mili, Souheyla Chetioui, Djamil-Azzeddine Rouag, Jean-Pierre Djukic, Corinne Bailly   +4 more
doaj   +1 more source

Synthesis of Dopant Zno Thin Films with Al Using Dip Coating for Gas Sensors [PDF]

Engineering and Technology Journal, 2017
The sol-gel technique (dip coating method) used to synthesize pure Zinc Oxide and Aluminum doped Zinc Oxide thin films on glass substrate for gas sensing application. Zinc acetate dehydrate was used as source of Zinc ions.
S.H. Sabeeh, R.H. Jassam
doaj   +1 more source

Azo‐ und Azoxybenzoësäureester [PDF]

Justus Liebigs Annalen der Chemie, 1903
n ...
Meyer, F., Dahlem, K.
openaire   +1 more source

Synthesis and Characterization of Azo Compounds and Study of the Effect of Substituents on Their Liquid Crystalline Behavior

Molecules, 2010
In this paper we present six select mesomorphic azo compounds distinguished by the presence of diverse substituents on a central benzene nucleus. All the synthesized compounds exhibit enantiotropic mesophases.
Howraa H. Radhy, Uhood J. Al-Hamdani, Tarik E. Gassim   +2 more
doaj   +1 more source

Spectrophotometric Determination of Cobalt(Ⅱ) and Lead(Ⅱ) Using (1,5-Dimethyl-2-Phenyl-4-((2,3,4-Trihydroxy Phenyl) Diazenyl)-1H-Pyrazol-3(2H)-One) as Organic Reagent: Using It as Antimicrobial and Antioxidants

Nano Biomedicine and Engineering, 2020
The azo organic reagent (1,5-dimethyl-2-phenyl-4-((2,3,4-trihydroxy phenyl) diazenyl)-1H-pyrazol-3(2H)-one) (DPTPD) was prepared and used for the spectrophotometric determination of cobalt(Ⅱ) and Lead(Ⅱ), by the selective and surfactant-sensitized method
Shaimaa Mohsen. Essa, Wisam Hindawi Hoidy   +1 more
doaj   +1 more source

Spectrophotometric Determination of Benzocaine by Azo-Dye Formation Reaction [PDF]

مجلة جامعة الانبار للعلوم الصرفة, 2012
A spectrophotometric method for the assay of trace amounts of benzocaine was based on the reaction of benzocaine with nitrite ion to form the corresponding diazonium salt followed by coupling reaction with ethyl cyano acetate to form a stable and a ...
Lamya Adnan Sarsamb, Dawood Habbo Mohammeda   +1 more
doaj   +1 more source

New AZO Compounds Derivatives Based on 4- chloro-2-((5-formyl-2-hydroxy-3-methoxyphenyl) diazenyl)benzenesulfonamide: Preparation, diagnostic, Spectroscopic, Antioxidant and Antimicrobial efficiency [PDF]

Journal of Bioscience and Applied Research
In this study, two series of compounds have been prepared based on azo compound 4-chloro-2-((5-formyl-2-hydroxy-3-methoxyphenyl)iazinyl) benzene sulfonamide (A1) which prepared by diazotization of 2-amino-4-chlorobenzen sulfonamide and 4-hydroxy -3 ...
Dania Saleh, Bushra Al-Salami
doaj   +1 more source

Copper(ii) complexes supported by modified azo-based ligands: Nucleic acid binding and molecular docking studies

Open Chemistry, 2022
Two new copper(ii) complexes [CuL1] (1) and [CuL2] (2) derived from azo-based ligands 2-hydroxy-5-p-tolylazo-benzaldehyde (HL1) and 1-(2-hydroxy-5-p-tolylazo-phenyl)-ethan-one (HL2) were synthesized.
Tripathi Mamta, Asatkar Ashish Kumar, Antony Stalin, Dash Mrinal Kanti, Roymahapatra Gourisankar, Pande Rama, Sarkar Avijit, Aldakheel Fahad M., Binshaya Abdulkarim S., Alharthi Nahed S., Alaofi Ahmed L., Alqahtani Mohammed S., Syed Rabbani   +12 more
doaj   +1 more source

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, Ahmed Abdul-Hassan, Nihad Ismael Taha   +2 more
doaj   +1 more source