Results 41 to 50 of about 231,579 (192)
Beilstein Journal of Organic Chemistry, 2014 1,3-Dipolar cycloadditions of isatins, benzylamine and benzylideneacetones were studied to prepare a series of novel spiropyrrolidine-oxindoles – 4′-acetyl-3′,5′-diarylspiro[indoline-3,2′-pyrrolidin]-2-ones and 3′-acetyl-4′,5′-diarylspiro[indoline-3,2 ...
Chuqin Peng +5 more
doaj +1 more source
Chemical Strategies for Multistimuli Responsive Dynamic Covalent Materials in Regenerative Medicine
Advanced Healthcare Materials, EarlyView.Multistimuli responsive dynamic covalent materials integrate reversible chemistry with the complex chemical, mechanical, and biochemical cues of regenerative environments. This review highlights chemical strategies based on orthogonal dynamic bonds, multicomponent networks, and hierarchical architectures to regulate mechanics, degradation, and ...
Saurabh Joshi +2 more
wiley +1 more source
Molecules, 2015 Over the last several years there has been a huge increase in the development and applications of new efficient organocatalysts for enantioselective pericyclic reactions, which represent one of the most powerful types of organic transformations.
Felix E. Held +2 more
doaj +1 more source
Advances and Perspectives in Graphene‐Based Quantum Dots Enabled Neuromorphic Devices
Advanced Science, EarlyView.Graphene‐based QDs are zero‐dimensional carbon nanomaterials with pronounced quantum confinement and tunable electronic structures. Herein, we summarize their synthesis strategies and functionalization methods, and highlight their functional roles and operating mechanisms in devices, as well as recent advances in neuromorphic electronics. We anticipate
Yulin Zhen +9 more
wiley +1 more source
Decarboxylation-Driven Double Annulations: Innovative Multi-Component Reaction Pathways
MoleculesA concerted five-component reaction strategy has been developed, featuring double [3+2] cycloadditions utilizing aspartic acid. This approach provides valuable insights into mechanistic pathways, allowing for the distinction between concerted and ...
Desheng Zhan +4 more
doaj +1 more source
Green Chemistry Letters and Reviews, 2022 Mechanochemistry is a powerful tool to develop environmentally benign syntheses of active pharmaceutical ingredients. In this context, we report here the synthesis of the anti-epileptic agent rufinamide through a one-pot sequential multi-component ...
Jorge Gómez-Carpintero +4 more
doaj +1 more source
Intramolecular 1,3-Dipolar Cycloadditions of Norbornadiene-Tethered Nitrones†
, 2016 Efficient routes to the synthesis of norbornadiene-tethered nitrones have been developed, and their intramolecular 1,3-dipolar cycloadditions were studied.
Geoffrey K. Tranmer (2520547) +1 more
core +2 more sources
(SP,SP)-(–)-(E)-1,2-Bis(methylphenylphosphinoyl)ethene
Acta Crystallographica Section E, 2009 The title compound, C16H18O2P2, possesses two stereogenic P atoms and shows a distorted s–cis conformation of each O=P—C=C moiety. This has been suggested on the basis of the stereochemical result of 1,3-dipolar cycloadditions with ...
doaj +1 more source
Coumarin–Tetrapyrrolic Macrocycle Conjugates: Synthesis and Applications
Molecules, 2017 This review covers the synthesis of coumarin–porphyrin, coumarin–phthalocyanine and coumarin–corrole conjugates and their potential applications. While coumarin–phthalocyanine conjugates were obtained almost exclusively by tetramerization of coumarin ...
Ana F. R. Cerqueira +3 more
doaj +1 more source
Síntese regiosseletiva de cristais líquidos contendo o heterociclo isoxazol [PDF]
, 2008 Dissertação (mestrado) - Universidade Federal de Santa Catarina, Centro de Ciências Físicas e Matemáticas. Programa de Pós-Graduação em QuímicaMoléculas com características líquido-cristalinas têm ultimamente atraído um grande interesse por parte de ...
Bryk, Fernando Rebouças
core