Results 51 to 60 of about 12,782 (291)
Synthesis of Functionalized 4,5-Dihydroisoxazoles Decorated with the Dimethylphosphinoyl Group
Aim. To synthesize a hybrid molecular platform incorporating dimethylphosphinoyl and 4,5-dihydroisoxazole moieties suitable for the creation of focused combinatorial libraries of compounds. Results and discussion.
Andrii V. Fedyk, Bohdan A. Chalyk
doaj +1 more source
Bio‐Inspired Molecular Events in Poly(Ionic Liquids)
Originating from dipolar and polar inter‐ and intra‐chain interactions of the building blocks, the topologies and morphologies of poly(ionic liquids) (PIL) govern their nano‐ and micro‐processibility. Modulating the interactions of cation‐anion pairs with aliphatic dipolar components enables the tunability of properties, facilitated by “bottom‐up ...
Jiahui Liu, Marek W. Urban
wiley +1 more source
Synthesis of Spiroisoxazolines by 1,3-Dipolar Cycloaddition
The cycloaddition of the chiral nitrile oxide 1 to 1-R-substituted 3,3-methylene-5,5-dimethyl-2-pyrrolidinones 2 (where R is H, n-butyl-, 1,1-dimethylethoxycarbonyl-, 1-methylethenyl- and acetyl-) proceeds regioselectively under the formation of ...
Peter Ertl +3 more
doaj +1 more source
ABSTRACT In this work, we introduce a trifluoromethoxy (OCF3) group as a pseudo‐halogen terminal group design for non‐fullerene acceptors, which combines strong inductive electron‐withdrawing ability with moderate resonance donation. The as‐synthesized BTP‐OCF3, when benchmarked against its methoxy analogue BTP‐OCH3, demonstrates narrowed bandgap ...
Chunliang Li +16 more
wiley +1 more source
The aim of this work was to study the activity of several nanosized zinc oxides in the crosslinking of carboxylated nitrile elastomer (XNBR). In this article, we discuss the effect of zinc oxide nanoparticles with respect to their specific surface area ...
doaj +1 more source
Atmospheric oxidation of nitriles
The reports of nitrile formation in actual and simulated auto emissions suggests a potential environmental hazard associated with the wide scale use of catalytic exhaust converters. Specifically, the atmospheric oxidation of nitriles is believed to occur via radical intermediates which can lead to both NO/sub x/ and CO production.
R B Timmons, R B Klemm
openaire +2 more sources
Cycloaddition reactions of nitrosoalkenes, azoalkenes and nitrile oxides mediated by hydrotalcite [PDF]
Mg:Al 3:1 hydrotalcite (Ht), used in catalytic quantities, promotes the generation of nitrosoalkenes, azoalkenes and nitrile oxides. These can be intercepted in situ by heterocycles and olefins in [4+2] and [3+2] cycloaddition reactions, producing ...
Lemos, A., Lourenço, J. P.
core
Komplexchemie perhalogenierter Cyclopentadiene und Alkine, VII [PDF]
Coordination Chemistry of Perhalogenated Cyclopentadienes and Alkynes, VII1). - Synthesis of Several Tetrachlorometalloles of Cobalt, Rhodium, and Iridium; Structure of a Iridacyclopentadiene Derivative The reaction of dichloroethyne with CpCo(PPh3)2 ...
Clarke +15 more
core +2 more sources
Nanodiamond Quantum Sensors for Probing Free Radical Biology
Free radicals play key roles in cellular signaling and disease but remain difficult to measure in living systems. Nanodiamonds (NDs) with nitrogen‐vacancy (NV) centers enable quantum sensing of local magnetic noise via T₁ relaxometry, providing nondestructive radical detection in living cells.
Qi Lu, Yingke Wu, Tanja Weil
wiley +1 more source
Asymmetric Lewis acid-catalyzed 1,3-dipolar cycloadditions [PDF]
Highly tuned, one-point binding chiral iron and ruthenium complexes selectively coordinate and activate α,β-unsaturated aldehydes and ketones toward asymmetric catalytic Diels-Alder cycloaddition reactions.
Brinkmann, Yasmin +3 more
core

