Results 1 to 10 of about 16,660 (215)

Two new zinc(II) acetates with 3– and 4–aminopyridine: syntheses and structural properties [PDF]

open access: yesActa Chimica Slovenica, 2015
The synthesis and characterization of two new zinc(II) coordination compounds with 3– and 4–aminopyridine are reported. They were obtained after dissolving Zn(CH3COO)2·2H2O in different solutions of 3– and 4–aminopyridine. The products were characterized
Brina Dojer   +3 more
doaj   +2 more sources

Functionalization of Fe3O4 nanoparticles with propylaminopyridine and its use as an efficient catalyst in the synthesis of novel 4,8-dihydro-1H-pyrimido[1,2-a]pyrimidines [PDF]

open access: yesشیمی کاربردی روز, 2022
In this study, at first, 2-amino-1,4-dihydropyrimidine was synthesized by the reaction of guanidine hydrochloride, 4-methybenzaldehyde and ethyl benzoylacetate in the presence of sodium hydrogencarbonate as catalyst.
Hassan Kefayati   +2 more
doaj   +1 more source

Spectrofluorimetric determination of selected genotoxic impurities in pharmaceutical raw materials and final products

open access: yesScientific Reports, 2022
A green spectrofluorimetric method was introduced for the determination of selected genotoxic impurities; 2-aminopyridine and 3-aminopyridine in different pharmaceutical raw materials and dosage forms.
Aliaa I. Shallan   +3 more
doaj   +1 more source

Synthesis of 2-aminopyridine Lactones and Studies of Their Antioxidant, Antibacterial and Antifungal Properties

open access: yesChemistry Proceedings, 2021
In the present work, the synthesis and biological activities of substituted 2-aminopyridine δ-lactone derivatives were achieved. 4,6,6-trimethyl-2-oxo-5,6-dihydro-2H-pyran-3-carbonitrile was synthesised from 4-hydroxy-4-methylpentan-2-one, followed by ...
Fadila Salhi   +3 more
doaj   +1 more source

A study on tailor made ruthenium sulfoxide complexes: Synthesis, characterization and application [PDF]

open access: yesJournal of the Serbian Chemical Society, 2015
In this study, a dinucleating spacer incorporating two 2-aminopyridine units has been used to prepare seven novel dinuclear compounds. These molecules were characterized by elemental analyses, conductivity measurements, magnetic susceptibility ...
Mehrotra Ripul   +2 more
doaj   +1 more source

Simple Synthetic Approach to N-(Pyridin-2-yl)imidates from Nitrostyrenes and 2-Aminopyridines via the N-(Pyridin-2-yl)iminonitriles as Intermediates

open access: yesMolecules, 2023
A facile, green, synthetic protocol of several substituted N-(pyridin-2-yl)imidates from nitrostyrenes and 2-aminopyridines via the corresponding N-(pyridin-2-yl)iminonitriles as intermediates is reported.
Andriani G. Chaidali, Ioannis N. Lykakis
doaj   +1 more source

Multicomponent, Solvent-Free Synthesis of 4-Substituted Aminopyrido[2,3-d]pyrimidines Derivatives

open access: yesChemistry Proceedings, 2023
4-substituted aminopyrido [2,3-d]pyrimidines derivatives 1a–f were synthesized via the multicomponent reaction of 2-aminopyridines, triethyl orthoformate, and diverse primary amines under solvent-free conditions.
Fatima Belhadj   +4 more
doaj   +1 more source

2-Aminopyridinium (2-aminopyridine)trichloridonickelate(II)

open access: yesActa Crystallographica Section E, 2008
In the title compound, (C5H7N2)[NiCl3(C5H6N2)], the NiII atom is four-coordinated by three chloride anions and one N atom of a 2-aminopyridine ligand, forming a distorted tetrahedral coordination.
T. Balasubramanian   +3 more
doaj   +1 more source

Effect of ropivacaine combined with pancuronium on neuromuscular transmission and effectiveness of neostigmine and 4-aminopyridine for blockade reversal: experimental study

open access: yesRevista Brasileira de Anestesiologia, 2015
BACKGROUND AND OBJECTIVES: The local anesthetic effects on neuromuscular junction and its influence on blockade produced by nondepolarizing neuromuscular blockers are still under-investigated; however, this interaction has been described in experimental ...
Angélica de Fátima Braga   +4 more
doaj   +3 more sources

Synthesis and Characterization of Palladium (II) Complexes With Some Pyridine Derivatives

open access: yesAl-Mustansiriyah Journal of Pharmaceutical Sciences, 2008
Complexes of palladium (II) with pyridine derivatives in general formula: trans- [PdCl2L1 2], (where: L1 = 2- picoline, 3- picoline, 4- picoline); [pd L1 4](BF4) 2, (Where: L1=3-picoline, 4-picoline); trans- [PdCl2L2 2] and [pd L2 4] (BF4) 2, (Where: L2
M. J. Al-Jeboori   +2 more
doaj   +1 more source

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