Results 1 to 10 of about 59,471 (323)

2,4-Dinitrobenzaldehyde hydrazone [PDF]

open access: yesActa Crystallographica Section E, 2008
The title compound, C7H6N4O4, plays an important role in the synthesis of biologically active compounds. The planar hydrazone group is oriented at a dihedral angle of 8.27 (3)° with respect to the benzene ring.
Yufen Zhao   +4 more
doaj   +3 more sources

Chitosan–Hydrazone-Modified Calcium Phosphate Scaffolds: Fabrication, Characterization, and Drug Delivery Potential [PDF]

open access: yesBiomedicines
Background/Objectives: Recent advancements in biomaterials aimed at closely mimicking natural biological tissues hold great promise for hard tissue regeneration and controlled drug release due to their superior physical, chemical, and biological ...
Teodora Jakovljević   +11 more
doaj   +2 more sources

Synthesis, complete assignment of 1H- and 13C-NMR spectra and antioxidant activity of new azine derivative bearing coumarin moiety [PDF]

open access: yesBulletin of Natural Sciences Research, 2021
In this research, the synthesis of a new azine derivative with coumarin moiety was performed in three reaction steps, starting from 4-hydroxycoumarin.
Ristić Milenko   +3 more
doaj   +1 more source

Synthesis of Side-Chain-Free Hydrazone-Linked Covalent Organic Frameworks through Supercritical Carbon Dioxide Activation

open access: yesOrganic Materials, 2021
Supercritical carbon dioxide (scCO2) activation provides milder conditions to process covalent organic frameworks (COFs) without compromising their crystallinity and porosity.
Shashini D. Diwakara   +3 more
doaj   +1 more source

The impact of isatin derivatives on antibiotic production by Streptomyces hygroscopicus CH-7 [PDF]

open access: yesHemijska Industrija, 2016
The effect of isatin derivatives as a nitrogen source on antibiotic (Hexaene H-85 and Azalomycine B) production by Streptomyces hygroscopicus CH-7 was studied.
Ćirić Jovan T.   +5 more
doaj   +1 more source

Unconventional assemblies of bisacylhydrazones: The role of water for circularly polarized luminescence

open access: yesAggregate, 2022
Understanding the precise molecular arrangement of chiral supramolecular polymers is essential not only to comprehend complex superstructures like proteins and DNA but also for the development of next‐generation optoelectronic materials, including ...
Hye Jin Cho   +9 more
doaj   +1 more source

Synthesis a Number of Heterocyclic Compounds Derived From Levofloxacin

open access: yesTikrit Journal of Pure Science, 2023
In this paper, the preparation a number of heterocyclic compounds five membered rings like oxadiazole, imidazolidine, thiozolidine, tetrazole, azetidine 2-on.
Ekram Abdullah Basheer   +2 more
doaj   +1 more source

Development and validation of RP-HPLC method for stability evaluation of model hydrazone, containing a pyrrole ring [PDF]

open access: yesPharmacia, 2019
RP-HPLC method with UV detection was developed and validated for determination of the chemical stability and stability in close to physiological conditions of a model pyrrole hydrazone ethyl 5-(4-bromophenyl)-1-(1-(2-(4-hydroxy-3-methoxybenzylidene ...
Diana Tzankova   +3 more
doaj   +3 more sources

Room-Temperature Alternative to the Arbuzov Reaction: The Reductive Deoxygenation of Acyl Phosphonates [PDF]

open access: yes, 2010
The reductive deoxygenation of acyl phosphonates using a Wolff−Kishner-like sequence is described. This transformation allows direct access to alkyl phosphonates from acyl phosphonates at room temperature. The method can be combined with acyl phosphonate
Dougherty, Dennis A.   +1 more
core   +2 more sources

Cytotoxicity and Apoptosis-Induction in MCF-7 Cells for New Pd(II) Complex Based on s-Triazine Ligand: Synthesis, Single Crystal X-ray Diffraction Analysis and Structural Investigations

open access: yesCrystals, 2023
The synthesis and X-ray structure analysis of the new [PdLCl2]*0.5 CH2Cl2 complex where L is hydrazono-s-triazine di-morpholine derivative, were presented.
Abdulmajeed Abdullah Alayyaf   +8 more
doaj   +1 more source

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