Results 71 to 80 of about 12,877,669 (294)

Cobalt‐Catalyzed C─N Bond Formation via Metal‐Hydride Hydrogen Atom Transfer (MHAT)

open access: yesAngewandte Chemie, EarlyView.
Cobalt‐catalyzed metal‐hydride hydrogen atom transfer (Co‐MHAT) converts simple alkenes into C─N bonds under mild, near‐neutral conditions. A shared Co─H‐initiated radical/organocobalt intermediate is channeled into radical trapping, radical‐polar crossover, or radical ligand transfer, unifying hydroamination, hydroazidation, hydroamidation, and remote
Arman Khosravi, Ming‐Yu Ngai
wiley   +2 more sources

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

open access: yesAgronomía 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   +4 more
doaj   +1 more source

Generative and Experimental Validation of High Refractive Index Polymers via Domain Knowledge Approach with Small Data

open access: yesAdvanced Intelligent Discovery, EarlyView.
This research demonstrates that the combination of domain knowledge–based multiple regression, multi‐objective Bayesian optimization, and generative models is a suitable prediction tool for candidates of high refractive index polymers, even with the constraints in the model trained on limited data. The experimental validation can reproduce the proposed
Takuya Yokoo   +3 more
wiley   +1 more source

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

open access: yesAktualʹnì 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   +3 more
doaj   +1 more source

Fluorescent calix[4]triazole for selective fluoride anion sensing

open access: yesRSC 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

Copper(I)-Catalyzed Three-Component Click/Alkynylation: One-Pot Synthesis of 5‑Alkynyl-1,2,3-triazoles

open access: yes, 2016
A copper­(I)-catalyzed tandem CuAAC/alkynylation reaction of various alkynes, organic azides, and bromoalkynes to provide rapid access to 5-alkynyl-1,2,3-triazoles has been developed.
Chen-Ho Tung (654283)   +4 more
core   +1 more source

A Mild Disilane‐Enabled Halide‐to‐Deuterium Manifold With D2O for Aryl and Benzylic Halides

open access: yesAngewandte Chemie, EarlyView.
A broadly applicable Pd‐catalyzed dehalogenative deuteration enables efficient conversion of aryl and benzylic halides with inexpensive deuterium oxide (D2O). The method proceeds under exceptionally mild conditions without strong bases, harsh reductants, or stoichiometric Lewis acid halide scavengers, and tolerates a wide range of functional groups ...
Wenliang Wang   +5 more
wiley   +2 more sources

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

open access: yesPharmaceuticals
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   +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

open access: yesAktualʹnì 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

open access: yesZaporožskij 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  

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