Results 71 to 80 of about 40,843 (302)

Properties of the Broad-Range Nematic Phase of a Laterally Linked H-Shaped Liquid Crystal Dimer

open access: yes, 2014
In search for novel nematic materials, a laterally linked H-shaped liquid crystal dimer have been synthesized and characterized. The distinct feature of the material is a very broad temperature range (about 50 oC) of the nematic phase, which is in ...
Antal Jákli   +13 more
core   +2 more sources

The first metal complexes of 3,3'-bi-1,2,4-oxadiazole: A curiously ignored ligand [PDF]

open access: yes, 2006
The crystal structure of 3,3'-bi-1,2,4-oxadiazole (1) reveals a planar centrosymmetric structure for this molecule in the solid state. It forms a mononuclear complex (3) with palladium(II) chloride, which is shown by X-ray crystallography to contain the ...
Richardson, C., Steel, P.J.
core   +2 more sources

Groundbreaking Anticancer Activity of Highly Diversified Oxadiazole Scaffolds

open access: yesInternational Journal of Molecular Sciences, 2020
Nowadays, an increasing number of heterocyclic-based drugs found application in medicinal chemistry and, in particular, as anticancer agents. In this context, oxadiazoles—five-membered aromatic rings—emerged for their interesting biological properties ...
A. Benassi, F. Doria, Valentina Pirota
semanticscholar   +1 more source

Thiocarbamoylimidates as Precursors of New 5‐Amino‐1,2,4‐Triazole and Oxadiazole Derivatives In Silico Prediction of Absorption, Distribution, Metabolism, and Excretion Parameters

open access: yesChemPlusChem, EarlyView.
1,2,4‐triazole and oxadiazole motifs are synthesized from thiocarbamoylimidates precursors, under mild conditions (40 °C) in the environmentally friendly water/ethanol reaction medium. The reaction is highly versatile and allows for the introduction of a wide variety of functional groups.
Oumaima Gatri   +5 more
wiley   +1 more source

Synthesis and Characterization of 1,3,4-Oxadiazoles Derived From 9-Fluorenone

open access: yesمجلة بغداد للعلوم, 2013
In the present work, 9-fluorenone-2-carboxylic acid methyl ester (1) was prepared from 9-fluorenone-2-carboxylic acid and then converted into the acid hydrazide (2).
Baghdad Science Journal
doaj   +1 more source

Synthesis, Characterization, and Evaluation of Energetic Properties of 1,2‐bis(5‐(Trifluoromethyl)‐4H‐1,2,4‐triazol‐3‐yl)Diazene

open access: yesPropellants, Explosives, Pyrotechnics, EarlyView.
ABSTRACT A new azo‐bridged compound with triazole moieties featuring trifluoromethyl groups was synthesized, exhibiting encouraging properties in the field of energetic materials. The new compound was synthesized in two steps from common starting materials using cyclocondensation, followed by oxidation reaction.
Navid Rahman   +4 more
wiley   +1 more source

Spatiotemporal Super‐Resolution Imaging of Lipid Metabolism Dynamics in Physiological/Pathological Conditions

open access: yesAngewandte Chemie, Volume 137, Issue 29, July 14, 2025.
A novel polarity‐sensitive fluorescent probe was developed for the selective targeting of lipid droplets, enabling precise visualization and quantification of lipid metabolism disorders using an integrated STED‐FLIM platform. This probe allows accurate monitoring of lipid metabolism in cellular and pathological contexts, such as atherosclerosis ...
Shixian Cao   +7 more
wiley   +2 more sources

Synthesis and Biological Evaluation of β-Phenylalanine Derivatives Containing Sulphonamide and Azole Moieties as Antiproliferative Candidates in Lung Cancer Models

open access: yesMolecules
In this study, a series of novel β-phenylalanine derivatives were synthesised and evaluated for their anticancer activity. The 3-(4-methylbenzene-1-sulfonamido)-3-phenylpropanoic acid (2) was prepared using β-phenylalanine as a core scaffold. The β-amino
Vytautas Mickevičius   +7 more
doaj   +1 more source

3-(4-Amino-1,2,5-oxadiazol-3-yl)-4-(4-nitro-1,2,5-oxadiazol-3-yl)-1,2,5-oxadiazole

open access: yesMolbank, 2014
The title compound 3-(4-amino-1,2,5-oxadiazol-3-yl)-4-(4-nitro-1,2,5-oxadiazol-3-yl)-1,2,5-oxadiazole (ANFF-1) was synthesized by: (1) by reaction of 3,4-bis(4-nitro-1,2,5-oxadiazol-3-yl)-1,2,5-oxadiazole (BNFF-1) with gaseous ammonia in toluene and (2)
Philip Pagoria   +5 more
doaj   +1 more source

A facile synthesis of N-Z/Boc-protected 1,3,4-oxadiazole-based peptidomimetics employing peptidyl thiosemicarbazides [PDF]

open access: yes, 2010
Synthesis of 1,3,4-oxadiazole containing peptidomimetics is described by a p-TsCl/pyridine-mediated cyclization of the corresponding dipeptidyl thiosemicarbazides, which are readily prepared by coupling N-protected amino acid hydrazides with amino acid ...
Lamani, R.S.   +2 more
core   +1 more source

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