Results 171 to 180 of about 347,108 (275)

Valency‐Controlled Multiphotochromism: Gated Switching and Photoswitchable Lewis Superacidity at Silicon

Angewandte Chemie, EarlyView.
Multiphotochromic switching is controlled by silicon valency in a diarylethene‐based molecular architecture. Lewis base coordination gates electronic communication between the photochromic units, thereby enabling selective access to distinct switching states.
Lennart Stoess, Valentin D. Hannibal, Lutz Greb   +2 more
wiley   +2 more sources

Crystal structure and Hirshfeld surface analyses, inter-action energy calculations and energy frameworks of (<i>Z</i>)-4-benzyl-2-(4-methyl-benzylidene)-2<i>H</i>-[1,4]benzo-thia-zin-3(4<i>H</i>)-one. [PDF]

Acta Crystallogr E Crystallogr Commun
Hni B, Hamou Ahabchane N, Ballo D, Hökelek T, Mague JT, Essassi EM, Sebbar NK.   +6 more
europepmc   +1 more source

Deep Learning Approaches for Classifying Crack States With Overload and Predicting Fatigue Parameters in a Titanium Alloy

Advanced Intelligent Systems, EarlyView.
This study proposes a deep learning approach to evaluate the fatigue crack behavior in metals under overload conditions. Using digital image correlation to capture the strain near crack tips, convolutional neural networks classify crack states as normal, overload, or recovery, and accurately predict fatigue parameters.
Seon Du Choi, Suman Timilsina, Youn Woo Shin, Yong Nam Kwon, Kee‐Sun Sohn, Ji Sik Kim   +5 more
wiley   +1 more source

Solid-state structure and supra-molecular packing of 1,2-bis-(2-phenyl-1<i>H</i>-benzo[<i>d</i>]imidazol-1-yl)diazene. [PDF]

Acta Crystallogr E Crystallogr Commun
Constantinides CP, Yi JS, Marincean S.
europepmc   +1 more source

Synthesis and structure of (<i>Z</i>)-2-(eth-oxy-methyl-idene)-8-methyl-2,3,4,9-tetra-hydro-1<i>H</i>-carbazol-1-one. [PDF]

Acta Crystallogr E Crystallogr Commun
Sridharan M, Thiruvalluvar AA.
europepmc   +1 more source

Heavier Alkyne‐Ni0 Complexes, [R2E2·Ni] (E = Sn, Pb), Exhibiting σ‐Complex Character

Angewandte Chemie, EarlyView.
Using a reductive group elimination strategy, heavier alkyne (LEEL; E = Sn, Pb) complexes of Ni0 are accessed. In contrast to classical alkyne coordination, these systems are best described as σ‐complexes, driven by ligand‐induced constraints and the established poor π‐bonding in heavier alkyne analogues.
Leopold Junge, Emeric Schubert, Israel Fernández, Terrance J. Hadlington   +3 more
wiley   +2 more sources

Crystal structure of nicotinamide ethyl-ene glycol hemisolvate. [PDF]

Acta Crystallogr E Crystallogr Commun
Chunanant T, Rapeenun P, Lertna N, Flood AE.   +3 more
europepmc   +1 more source

Synthesis and structure of 2-amino-4-methyl-pyridin-1-ium hippurate dihydrate. [PDF]

Acta Crystallogr E Crystallogr Commun
Vetrivel V, Marimuthu N, Balakrishnan T.
europepmc   +1 more source

Steuerung der Rotation eines Guanidiniumkations durch Kation‐π‐Wechselwirkungen

Angewandte Chemie, EarlyView.
Ein Lanthanid‐π‐Container wurde für die Bindung eines Guanidiniumkations in dessen aromatischer Kavität mittels Kation‐π‐Wechselwirkungen verwendet. Röntgenkristallographie und Festkörper‐NMR‐Spektroskopie bei schneller Rotation um den magischen Winkel wurden verwendet, um die zugrundeliegenden Wirt‐Gast‐Interaktionen zu untersuchen.
Hannah Busch, Lennart Günzel, Ettore Bartalucci, Robert Schuster, Christian Zocher, Martin Börner, Chandan K. Das, Florian Taube, Björn Corzilius, Maria Fyta, Matthias Ernst, Berthold Kersting, Thomas Wiegand   +12 more
wiley   +1 more source

Potassium‐Ligand Cooperation Facilitated Chemical Bond Activation and Catalytic Hydrogenation

Angewandte Chemie, EarlyView.
A new strategy for alkali metal‐mediated catalysis based on metal–ligand cooperation (MLC) is presented. Potassium pincer complexes exhibit remarkable reactivity toward a range of molecules via an unprecedented potassium–ligand cooperative mechanism. This reactivity enables potassium‐catalyzed hydrogenation, providing efficient reduction of ketones and
Yaoyu Liang, Irena Efremenko, Thiyagarajan Subramanian, Amit Kumar, Liat Avram, Yael Diskin‐Posner, David Milstein   +6 more
wiley   +2 more sources