Results 51 to 60 of about 5,374,113 (306)

Revisiting Stability Criteria in Ball‐Milled High‐Entropy Alloys: Do Hume–Rothery and Thermodynamic Rules Equally Apply?

open access: yesAdvanced Engineering Materials, Volume 27, Issue 6, March 2025.
The stability criteria affecting the formation of high‐entropy alloys, particularly focusing in supersaturated solid solutions produced by mechanical alloying, are analyzed. Criteria based on Hume–Rothery rules are distinguished from those derived from thermodynamic relations. The formers are generally applicable to mechanically alloyed samples.
Javier S. Blázquez   +5 more
wiley   +1 more source

Synthesis of Depsipeptides via Isocyanide-Based Consecutive Bargellini–Passerini Multicomponent Reactions

open access: yesSynOpen, 2021
An efficient and straightforward approach has been established for the preparation of a new class of depsipeptide structures via isocyanide-based consecutive Bargellini–Passerini multicomponent reactions.
Hassan Farhid   +3 more
doaj   +1 more source

Multicomponent Reactions of Isocyanides for the Preparation of Low Molecular Weight Gelators: Preliminary Studies

open access: yesChemistry Proceedings, 2021
Low molecular weight gelators, LMWGs, are small molecules that can self-associate in organic solvents or in water to form fibrous supramolecular architectures and three-dimensional networks that present important applications in several fields.
José L. Ramiro   +2 more
doaj   +1 more source

Multimodal Data‐Driven Microstructure Characterization

open access: yesAdvanced Engineering Materials, EarlyView.
A self‐consistent autonomous workflow for EBSP‐based microstructure segmentation by integrating PCA, GMM clustering, and cNMF with information‐theoretic parameter selection, requiring no user input. An optimal ROI size related to characteristic grain size is identified.
Qi Zhang   +4 more
wiley   +1 more source

Amines as key building blocks in Pd-assisted multicomponent processes

open access: yesBeilstein Journal of Organic Chemistry, 2011
In the last few years, palladium-mediated three-component synthesis has emerged as an important synthetic methodology to gain access to nitrogen-containing structures. The latest developments in this area are discussed in this review.
Didier Bouyssi   +2 more
doaj   +1 more source

Isocyanides: Promising Functionalities in Bioorthogonal Labeling of Biomolecules

open access: yesFrontiers in Chemistry, 2021
Isocyanides have drawn increasing attention in biological applications due to their attractive properties and unique reactivities, which can undergo various reactions, such as multicomponent reactions, α-addition reactions, [4 + 1] cycloaddition ...
Yuchen Zhu   +6 more
doaj   +1 more source

External-Oxidant-Based Multicomponent Reactions

open access: yes, 2016
This short review covers an innovative approach in multicomponent chemistry involving the employment of an external oxidant. This approach is exploited either to generate one of the reagents of the multicomponent reaction (MCR) or to transform one ...
BANFI, LUCA   +3 more
core   +1 more source

Dynamic Multicomponent Reactions Directed Self-assembled G-quadruplex Inherent Antibacterial Hydrogel

open access: yes, 2022
Now-a-days inherent antibacterial hydrogels have gained significant attention due to their utilization against infectious bacteria. Herein, we focus on the development of injectable, self-healable, dynamic, G-quadruplex hydrogel with inherent ...
Apurba K., Das   +3 more
core   +1 more source

Creep‐Induced Microstructural Evolution in an A2‐B2 Superalloy

open access: yesAdvanced Engineering Materials, EarlyView.
A 27.3Ta‐27.3Mo‐27.3Ti‐8Cr‐10Al (at.%) refractory high‐entropy alloy with precipitation‐strengthened A2‐B2 microstructure was studied by creep tests at 1030°C, which demonstrate a transition in deformation mechanisms in the range of 100–150 MPa applied stress. This is associated with changes in dislocation–precipitate interactions. Relevant deformation
Liu Yang   +10 more
wiley   +1 more source

Synthesis of (macro)heterocycles by consecutive/repetitive isocyanide-based multicomponent reactions

open access: yesBeilstein Journal of Organic Chemistry, 2019
Isocyanide-based multicomponent reactions are a versatile tool in the synthesis of heterocycles. This review describes recently developed approaches based on the combination of consecutive or repetitive isocyanide-based multicomponent reactions for the ...
Angélica de Fátima S. Barreto   +1 more
doaj   +1 more source

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