Results 81 to 90 of about 4,584,770 (187)

2-(4-Arylbuta-1,3-dien- or 1-en-3-yn-1-yl)chromones as synthons for the synthesis of other nitrogen and oxygen heterocyclic compounds [PDF]

open access: yes, 2014
It is well known the great biological relevance of oxygen and nitrogen heterocycles. Herein, the reactivity of 2-(4-aryl-1,3-dien- and 1-en-3-yn-1-yl)chromones are explored in order to establish new synthetic routes towards the preparation of new ...
Albuquerque, Hélio   +3 more
core  

Antimicrobial and cytotoxic activities of 1,2,3-triazole-sucrose derivatives [PDF]

open access: yes, 2015
A library of 1-(1′,2,3,3′,4,4′,6-hepta-O-acetyl-6′-deoxy-sucros-6′-yl)-1,2,3-triazoles have been investigated for their antibacterial, antifungal and cytotoxic activities.
Barros, M. Teresa   +7 more
core   +1 more source

Fungicide application technology for controlling the sugarcane orange rust [PDF]

open access: yes, 2019
With the epidemic onset of the sugarcane orange rust, fungicide applications of the Strobilurins and Triazoles groups have become necessary in susceptible varieties.
Alves, Guilherme Sousa   +4 more
core   +1 more source

Synthesis of Novel Glycerol-Derived 1,2,3-Triazoles and Evaluation of Their Fungicide, Phytotoxic and Cytotoxic Activities

open access: yesMolecules, 2017
The synthesis of a series of 1,2,3-triazoles using glycerol as starting material is described. The key step in the preparation of these triazolic derivatives is the copper(I)-catalyzed azide-alkyne cycloaddition (CuAAC), also known as click reaction ...
Adilson Vidal Costa   +10 more
doaj   +1 more source

Synthesis of 1,2,3-Triazole 5-Chloroisatin Derivatives via Copper-Catalyzed 1,3-Dipolar Cycloaddition Reactions [PDF]

open access: yes, 2017
A facile and simple protocol for the ‘Click\u27 cycloaddition of organic azides with N-propargylchloroisatine catalyzed by CuI, produces in good yields novel of 1,4-disubstituted 1,2,3-triazoles were obtained.
Rodi, Y. K. (Y)   +3 more
core   +1 more source

Copper-Catalyzed Synthesis of 4-CF3-1,2,3-Triazoles: An Efficient and Facile Approach via Click Reaction

open access: yesMolecules
Incorporation of a trifluoromethyl group with 1,2,3-triazoles motifs was described. We explored a click reaction approach for regioselective synthesis of 1-susbstituted-4-trifluoromethyl-1,2,3-triazoles in which 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU ...
Tinghong Tang   +5 more
doaj   +1 more source

Synthesis, Characterization and Antimicrobial Properties of Schiff Bases Derived from Condensation of 8-Formyl-7-hydroxy-4-methylcoumarin and Substituted Triazole Derivatives

open access: yesE-Journal of Chemistry, 2009
Two biologically active classes of compounds coumarins and triazoles were employed to form the Schiff bases. The synthesized Schiff base viz., 3-aryl-[(1-isocyano-4-methyl-7-hydroxycoumarin)]-5-methyl-1,3,4-triazoline-2-one and its substituents were ...
Kumar Sanjeev S. Lamani   +3 more
doaj   +1 more source

Recent advances in the synthesis of triazole derivatives [PDF]

open access: yes, 2015
Triazole ring system has attracted a continuously growing interest of synthetic organic chemists and those dealing with the medicinal compounds due to its versatile potential to interact with biological systems.
Ahmad, Matloob   +6 more
core  

3-Substituted 1,5-Diaryl-1 H-1,2,4-triazoles as Prospective PET Radioligands for Imaging Brain COX-1 in Monkey. Part 1: Synthesis and Pharmacology.

open access: yesACS Chemical Neuroscience, 2018
Prachi Singh   +7 more
semanticscholar   +1 more source

Synthèse, dérivation et évaluation de pharmacophores hybrides Alcynyl-TriAzolyCarbinols N-glycosylés [PDF]

open access: yes, 2014
La fonction alcényl-alcynylcarbinol (AAC) est un pharmacophore clé rencontré dans des produits naturels extraits d'éponges marines, les pétrosiacétylènes, aux propriétés biologiques multiples, en particulier une cytotoxicité remarquable sur les cellules ...
Oukessou, Mohamed
core  

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