Results 11 to 20 of about 38,598 (282)

SYNTHESIS OF AZO COMPOUNDS DERIVATIVE FROM EUGENOL AND ITS APPLICATION AS A TITRATION INDICATOR

open access: yesIndonesian Journal of Chemistry, 2010
The synthesis of azo compounds from eugenol has been carried out by diazotation reaction. The diazonium salt was produced by reaction of aniline and sodium nitrite in acid condition at 0-5 °C temperature to yield benzenediazonium chloride salt.
Bambang Purwono, Catur Mahardiani
doaj   +1 more source

Synthesis, Characterization and Biological Evaluation of Some Azo and Azo-Schiff Compounds [PDF]

open access: yesKirkuk Journal of Science, 2019
This work involves the preparation of some new azo and azo-Schiff compounds derived from benzothiophene, dibenzothiophene, and diamines (1, 5-diaminonaphthalene, and thiocarbohydrazide).
Hadi Azeez   +2 more
doaj   +1 more source

Synthesis of novel azo compounds containing 5(4H)-oxazolone ring as potent tyrosinase inhibitors [PDF]

open access: yes, 2013
Six new azo dyes containing of 5(4H)-oxazolone ring were prepared by diazotization of 4-aminohippuric acid and coupling with N,N-dimethylaniline, 1-naphthol and 2-naphthol and condensation with 4-fluoro benzaldehyde or 4-trifluoromethoxy benzaldehyde ...
Abbasalipour, V.   +5 more
core   +1 more source

Preparation and characterization of bis-[1,3,5]triazinyl diazenes and their utilization as flame retardants in polypropylene films [PDF]

open access: yes, 2014
A series of bis-[1,3,5]triazinyl diazenes and two metal complexes thereof were synthesized and tested as new flame retardants in polypropylene films. It was observed that electron withdrawing triazinyl ring substituents (i.e.
Aelmans   +40 more
core   +1 more source

Synthesis and characterization of mixed Amides-Imines and Amides-Azo Compound derived from Chrysanthemic acid and trimethoprim and study their biological activities [PDF]

open access: yesمجلة جامعة الانبار للعلوم الصرفة, 2017
Chrysanthemic acid, Trimethoprim, amides, Imines and azo compound : all found to have enormous biological activities in different directions such as medical , pharmaceutical pesticidal …etc.
Mohammad F. Mesher   +2 more
doaj   +1 more source

7-Azabicyclo[2.2.1]heptane N-Imide as an Intermediate in the Thermal Decomposition of N-Amino-7-Azabicyclo[2.2.1]heptane and the Corresponding Benzenesulphonamide [PDF]

open access: yes, 1976
An intermediate in the thermal decomposition of N-amino-7-azabicyclo[2.2.1]heptane and the corresponding benzenesulphonamide derivative, whose structure is consistent with the formulation 7-azabicyclo[2.2.1]heptane N-imide, affords on thermal ...
Dervan, Peter B., Uyehara, Tadao
core   +1 more source

Impact of Intermediate and Terminal Groups on the Thermal Stability of Bent-Core Liquid Crystals

open access: yesTikrit Journal of Pure Science, 2018
A series of new mesogenic chalcone, azomethine and azo compounds were successfully synthesized. A chalcone was prepared via condensation of isophthaldehyde with a p-hydroxyacetophenone in a basic medium, Schiff bases was prepared by condensation ...
Mohammed M. Aftan
doaj   +1 more source

Synthesis of New Azo Compounds and Their Application for a Simple Spectrophotometric Determination of Methyldopa Drug Using Anthranilic Acid and 2-Aminopyrimidine as Reagents

open access: yesJournal of the Turkish Chemical Society, Section A: Chemistry, 2023
65 Türkçe Barbaros AKKURT Journal of the Turkish Chemical Society Section A: Chemistry Araştırma Makalesi EN Synthesis of New Azo Compounds and Their Application for a Simple Spectrophotometric Determination of Methyldopa ...
Ekhlas ABD ALKAREEM   +2 more
doaj   +1 more source

Supramolecular hierarchy among halogen and hydrogen bond donors in light-induced surface patterning [PDF]

open access: yes, 2015
Halogen bonding, a noncovalent interaction possessing several unique features compared to the more familiar hydrogen bonding, is emerging as a powerful tool in functional materials design.
Barrett C. J.   +10 more
core   +1 more source

Coordination networks incorporating halogen-bond donor sites and azobenzene groups [PDF]

open access: yes, 2016
Two Zn coordination networks, [Zn(1)(Py)2]2(2-propanol)n (3) and [Zn(1)2(Bipy)2](DMF)2n (4), incorporating halogen-bond (XB) donor sites and azobenzene groups have been synthesized and fully characterized.
Fernandez-Palacio F.   +6 more
core   +1 more source

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