Results 61 to 70 of about 71,959 (226)

Comprehensive Characterization of Spelt Wheat and Common Wheat Protein and Viscosity Traits Under Different Field Management Systems

open access: yesCereal Chemistry, EarlyView.
ABSTRACT Background There is an increasing interest in healthier, nutrient‐rich foods so alternative grains produced in smaller quantities—including spelt wheat (Triticum spelta L.)—have once again become the focus of consumers. At the same time, the scientific proof of these claims is incomplete.
Edina Jaksics   +10 more
wiley   +1 more source

The Challenging P‐Alkylation of Aromatic Phosphorus Heterocycles and Follow‐Up Reactions

open access: yesChemistryEurope, EarlyView.
P‐alkylation of λ3σ2‐phosphinines is hindered by weak nucleophilicity and scarce synthetic access, previously requiring multistep routes or extreme electrophiles. A direct ambient‐condition method is reported using 3,5‐bis(trimethylsilyl)‐phosphinine/B(C6F5)3 with esters or iso(thio)cyanates to generate stable 1‐R‐phosphininium salts.
Samantha Frank   +6 more
wiley   +1 more source

International Variation in Preoperative SNOT‐22 Scores: A Scoping Review and Exploratory Analysis

open access: yes
International Forum of Allergy &Rhinology, EarlyView.
Jaynelle Gao   +8 more
wiley   +1 more source

Versatile Palladium‐Catalyzed C‐H Arylation of Fluoroarenes with 2‐Chloropyridine Derivatives

open access: yesChemistry – A European Journal, EarlyView.
Direct C─H arylation of fluoroarenes with 2‐chloropyridines is enabled by a simple Pd/SPhos system in isopropyl acetate. The method uses inexpensive reactants and shows broad scope and high yields. DFT computations explain reactivity and selectivity.
Federico Belnome   +6 more
wiley   +1 more source

Synthesis of Dithienylcycloalkene Molecular Switches Enabled by a Bench‐Stable Ti‐Complex

open access: yesChemistry – A European Journal, EarlyView.
Herein we report a set of cycloalkene‐bridged DTEs with ring sizes ranging from 4‐ to 7‐membered rings. The synthesis of these analogs was performed via a key McMurry coupling step, which was enabled by a practical, bench‐stable Ti(IV)‐complex. Remarkably, it is shown that the strained cyclobutene bridge outperforms other rings, even the most commonly ...
Marcell M. Bogner   +4 more
wiley   +1 more source

Analysis of surface temperature measurements over complex urban sites [PDF]

open access: yesGeographica Pannonica, 2019
The aim of this study is to analyse the thermal properties of natural and artificial urban surfaces and the impact of surface colours and shading. Measuring campaigns were conducted in spring and summer (2018-2019) in the district XI of Budapest to ...
Dezső Zsuzsanna   +2 more
doaj  

Copper(II), a Peculiar Metal Ion for Complexation with Monensin A Ionophore

open access: yesChemistry – A European Journal, EarlyView.
Copper(II) forms three chiral and EPR‐active complexes with monensinate A in methanol. Beside the bis [CuL2] and mono [CuL]+ species, the new dinuclear construct [Cu2L]3+ exhibits an [ML]+‐type and a metal salt‐type copper(II) centers weakly bound to each other through counter ion(s) and thus, being magnetically independent.
Máté Levente Kis   +7 more
wiley   +1 more source

Historical Figures under the New Regimes: ‘Monumental Propaganda’ in Soviet Russia and in the Soviet Republic of Hungary in 1917–19

open access: yesHistoria provinciae: журнал региональной истории, 2018
The article examines the details of ‘Monumental Propaganda’ in Soviet Russia and the Soviet Republic of Hungary in 1917–19. It gives an overview of the Bolshevik leadership activities aimed at the visual concealment of monuments, the removal of which ...
Boldizsár Vörös
doaj   +1 more source

Dynamic Reactivity: Reversible Reaction of a Phosphinine–Borane Adduct With Water and Double Hydrophosphination

open access: yesChemistry – A European Journal, EarlyView.
A phosphinine–borane Lewis pair shows a dynamic mode of water addition, revealing reversible and regioselective transformations that expand the reactivity of aromatic phosphorus heterocycles and open pathways to stimuli‐responsive systems for catalysis, small‐molecule activation, and functional materials.
Samantha Frank   +7 more
wiley   +1 more source

The Silver Generation as Potential Purchasing Power in Budapest: a Case Study

open access: yesTheory, Methodology, Practice, 2019
The age structure of the society in the individual countries belonging to the Visegrád Group has changed significantly since 1989. In Hungary, changes in the age structure have had a great impact on the whole economy.
Sikos T. Tamás , Kovács Csaba József
doaj   +1 more source

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