Results 81 to 90 of about 29,220 (210)

Germinability of annual bluegrass seed in western Oregon grass seed production systems

open access: yes
Crop, Forage &Turfgrass Management, Volume 12, Issue 1, June 2026.
Clint Mattox, Sebastian Dibblee
wiley   +1 more source

Erucastrum virgatum subsp. virgatum (Brassicaceae) Endemic to Sicily (Italy): Biological Properties and Phenolic Content of Leaf Extracts

open access: yesChemistry &Biodiversity, Volume 23, Issue 3, March 2026.
ABSTRACT The present work reports a comparative study between extracts obtained by different methods (ultrasonic bath‐assisted extraction, maceration, decoction, and Soxhlet extraction) from the leaves of Erucastrum virgatum subsp. virgatum collected in Sicily (Italy), using ethanol and water as “green” solvents.
Benedetta Galletta   +8 more
wiley   +1 more source

New monomers for (bi)pyridine-containing polymers

open access: yesChimica Techno Acta, 2020
Convenient methods for the synthesis of three monomers based on functionalized (bi)pyridines with using “1,2,4-triaizine” methodology have been developed.
A. P. Krinochkin   +9 more
doaj   +1 more source

Copper Coordination Materials for Selective CO2 Electroreduction Toward Multi‐Carbon Products

open access: yesCarbon Neutralization, Volume 5, Issue 2, March 2026.
This review summarizes recent advances in Cu‐based coordination catalysts for electrochemical CO2 reduction reaction (CO2RR) toward multi‐carbon products. It focuses on key kinetics such as C–C coupling, and outlines design strategies and catalytic mechanisms of various Cu‐based coordination materials.
Jinze Yang   +5 more
wiley   +1 more source

Synthesis of some New 1,2,4-Triazines containing Aminopyrimidine Moiety

open access: yes, 1992
Department of Chemistry, Faculty of Education, Ain Shams University, Roxy, Cairo, Egypt Manuscript received 21 February 1992, revised 20 July 1992, accepted 10 August 1992 Synthesis of some New 1,2,4-Triazines containing Aminopyrimidine ...
M. SEADA, F. HANAFY, R. M. ABDEL-RAHMAN
core   +1 more source

Fused Heterocyclic Systems with an s-Triazine Ring. 34. Development of a Practical Approach for the Synthesis of 5-Aza-isoguanines

open access: yesMolecules, 2019
Purine isosteres present excellent opportunities in drug design and development. Using isosteres of natural purines as scaffolds for the construction of new therapeutic agents has been a valid strategy of medicinal chemistry.
Ahmad Junaid   +4 more
doaj   +1 more source

f‐Block Element‐Based MOF Thin Films: A Platform for Luminescence, Sensing, and Energy Applications

open access: yesSmall, Volume 22, Issue 16, 17 March 2026.
f‐Block element–based metal–organic framework (f‐MOF) thin films offer exceptional potential for luminescent, sensing, and energy‐related applications. This review surveys recent progress in their synthesis, characterization, and functional implementation, emphasizing the diversity of available thin‐film fabrication strategies. The convergence of these
Dong‐Hui Chen, Christof Wöll
wiley   +1 more source

1,2,4-Triazine Chemistry Part II: Synthetic approaches for phosphorus containing 1,2,4-triazine derivatives [PDF]

open access: yes, 2010
This review represents the methods developed for the synthesis of phosphorus containing 1,2,4-triazine moieties. These methods depends on the phosphorylation of side functional groups of 1,2,4-triazines and cyclization of side functional groups of 1,2,4 ...
Reda Mohammady Abdel-Rahman   +5 more
core   +1 more source

1,2,4-Triazines Are Versatile Bioorthogonal Reagents

open access: yes, 2016
A new class of bioorthogonal reagents, 1,2,4-triazines, is described. These scaffolds are stable in biological media and capable of robust reactivity with trans-cyclooctene (TCO).
Ryan A. Mehl (1313565)   +6 more
core   +1 more source

Síntese de materiais orgânicos funcionais derivados do heterociclo 1,2,4-oxadiazol [PDF]

open access: yes, 2008
TCC (graduação) - Universidade Federal de Santa Catarina. Centro de Ciências Físicas e Matemáticas. Curso de Química.Este trabalho tem como objetivo geral a síntese de moléculas simétricas curvadas contendo o heterociclo 1,2,4 oxadiazol, bem como o ...
FERREIRA, Marli
core  

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