Results 31 to 40 of about 25,693 (164)

Analysis of natural and anthropogenic factors aff ecting the ability of Lepidium sativum L. to adapt to the toxicity of triazole xenobiotics [PDF]

Известия Саратовского университета. Новая серия: Серия Химия. Биология. Экология
The eff ects of natural factors (temperatures +34°C and +20°C) and anthropogenic xenobiotics (1,2,4-TriH; 1-(CH3 SO2 )-1H-1,2,4-Tri; 4-(PhSO2 )-4H-1,2,4-Tri; 4-(TolSO2 )-4H-1,2,4-Tri) on watercress Lepidium sativum L. was studied.
Isaichkin, Vadim A., Selezneva, Е. S., Belousova, Z. P.   +2 more
doaj   +1 more source

Synthesis of 4-Arylselanyl-1H-1,2,3-triazoles from Selenium-Containing Carbinols

Molecules, 2021
In this work, we present a simple way to achieve 4-arylselanyl-1H-1,2,3-triazoles from selenium-containing carbinols in a one-pot strategy. The selenium-containing carbinols were used as starting materials to produce a range of selanyl-triazoles in ...
Francesca Begini, Renata A. Balaguez, Allya Larroza, Eric F. Lopes, Eder João Lenardão, Claudio Santi, Diego Alves   +6 more
doaj   +1 more source

Synthesis of some substituted 1,3,4-oxadiazoles, thiadiazoles and 1,2,4-triazoles [PDF]

مجلة التربية والعلم, 2009
In this paper the synthesis of some substituted 1,3,4-oxadiazoles, 1,3,4-thiadiazoles and 1,2,4-triazoles is reported. Ethyl methacrylate was treated with hydrazine hydrate in ethanol to give the corresponding hydrazide (1).
Shereen R. Mohamed
doaj   +1 more source

Combate del rocío azucarado (Sphacelia sorghi McRae) del sorgo (Sorghum bicolor (L.) Moench) con funguicidas.

Agronomía Mesoamericana, 2006
Con el objetivo de determinar la efectividad de cinco fungicidas en el combate del rocío azucarado del sorgo causado por Sphacelia sorghi McRae, se llevó a cabo un experimento en el campo experimental del Centro Nacional de Investigaciones Agropecuarias ...
Héctor Mena, Francia Fuenmayor, José Tejera, Rafael Jiménez, Eudis Georges   +4 more
doaj   +1 more source

The research of acute toxicity of 4-amino-5-(4-(tert-butyl)phenyl)-4H-1,2,4-triazoles-3-thiol derivatives

Aktualʹnì Pitannâ Farmacevtičnoï ì Medičnoï Nauki ta Praktiki, 2017
Introduction. The process of new drugs creating includes a plurality of stages, which allow their application in medical practice in the future. These studies are a guarantee of the effectiveness and safety of the test compounds.
I. I. Аksyonova-Seliuk, Ye. S. Pruglo, O. I. Panasenko, Ye. G. Knysh   +3 more
doaj   +1 more source

Fluorescent calix[4]triazole for selective fluoride anion sensing

RSC Advances
The selective recognition ability of pyrene-calix[4]triazole conjugate for F − was demonstrated through fluorescence quenching based on the PET mechanism.
Jihee Cho, Sanghee Kim
openaire   +2 more sources

Access to Substituted Tricyclic Heteroarenes by an Oxidative Cyclization Reaction and Their Antifungal Performance

Pharmaceuticals
Background/Objectives: Fungal pathogens are increasingly developing concerning resistance against the currently available antifungal drugs, which creates a constant demand for new antifungal agents.
Rehema Nakiwala, Noopur Dasgupta, Rebecca Wilson, Erika I. Lutter, Jeanne L. Bolliger   +4 more
doaj   +1 more source

Acute toxicity of 3-(2-, 3-fluorophenyl)-6-(aryl-, hetaryl)-[1,2,4]triazole[3,4-b][1,3,4]thiadiazoles

Aktualʹnì Pitannâ Farmacevtičnoï ì Medičnoï Nauki ta Praktiki, 2017
Nowadays an attempt to create a number of new biologically active compounds by many scientific groups is being one of the topical issues in the domestic pharmaceutical industry.
O. A. Bihdan, V. V. Parchenko
doaj   +1 more source

Synthesis and physical-chemical properties of 3-alkylthio-5-(quinoline-2-yl, 2-hydroxyquinoline-4-yl)-4-R-2,4-dihydro-3H-1,2,4-triazoles

Zaporožskij Medicinskij Žurnal, 2016
The major social and economic problem of pharmaceutical industry is the search for biologically active substances, which may become the basis of new drugs, competitive with expensive imported drugs. Analysis of literature shows that in recent decades the
T. M. Kaplaushenko, O. I. Panasenko
doaj  

Synthesis and physical-chemical properties of 2-((4-R-3-(morpholinomethylen)-4H-1,2,4-triazole-5yl)thio)acetic acid

Aktualʹnì Pitannâ Farmacevtičnoï ì Medičnoï Nauki ta Praktiki, 2014
The creation and improvement of the original domestic medicines is anactual problem of medical and pharmaceutical industries. Chemistry of heterocyclicsystems attracts scientists all over the world, as it is associated with a number of properties of this
R. О. Shcherbyna, O. I. Panasenko, Ye. H. Knysh, B. О. Varynskyy   +3 more
doaj   +1 more source