Results 101 to 110 of about 71,058 (285)
A pyrene-functionalized triazole-linked hexahomotrioxacalix[3]arene as a fluorescent chemosensor for Zn²⁺ ions [PDF]
, 2016 A new pyrenyl appended hexahomotrioxacalix[3]arene L featuring 1,2,3-triazole linkers was synthesized as a fluorescent chemosensor for Zn²⁺ in mixed aqueous media. It exhibited high affinity toward Zn²⁺, and the monomer and excimer emission of the pyrene
Ikejiri, Yusuke +7 more
core +2 more sources
, 2008 Citation: 'alkynes' in the IUPAC Compendium of Chemical Terminology, 3rd ed.; International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. 10.1351/goldbook.A00236 • License: The IUPAC Gold Book is licensed under Creative Commons Attribution-ShareAlike CC BY-SA 4.0 International for individual terms. Requests for commercial usage
openaire +1 more source
Advanced Science, EarlyView.This review highlights recent advancements in stabilizing single metal atoms on graphitic carbon nitride emphasizing innovative synthesis strategies and emerging applications in electrocatalysis, photocatalysis and organic transformations, along with key challenges and future perspective. Abstract Emerging as a new frontier in catalysis science, single‐
Wenyao Zhang +6 more
wiley +1 more source
Nature CommunicationsCarboxylation with CO2 offers an attractive and sustainable access to valuable carboxylic acids. Among these methods, direct C−H carboxylation of terminal alkynes with CO2 has attracted much attention for one-carbon homologation of alkynes, enabling ...
Jin-Cheng Xu +8 more
doaj +1 more source
Gold-Catalyzed Synthesis of 2-Sulfenylspiroindolenines via Spirocyclizations
Molbank, 2018 2-Phenylsulfenyl-N-propargyl tryptamines have been prepared by electrophilic sulfuration of the corresponding tryptamines. These compounds undergo gold-catalyzed spirocyclizations to the corresponding 2-phenylthiospiroindolenines in good yields.
Valentin Magné +4 more
doaj +1 more source
Combined experimental and computational investigations of rhodium-catalysed C-H functionalisation of pyrazoles with alkenes [PDF]
, 2014 Detailed experimental and computational studies have been carried out on the oxidative coupling of the alkenes C(2)H(3)Y (Y=CO(2)Me (a), Ph (b), C(O)Me (c)) with 3-aryl-5-R-pyrazoles (R=Me (1 a), Ph (1 b), CF(3) (1 c)) using a [Rh(MeCN)(3)Cp*][PF(6)](2 ...
Algarra, Andrés G. +6 more
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Advanced Science, EarlyView.An atomically precise Cu14 cluster‐mediated bond scission reaction pioneers the amplification of the antitumor immune response via synergetic cuproptosis‐associated immunogenic cell death induction and in situ autophagy blockade. ABSTRACT Transition metal‐mediated cleavage mechanisms have emerged as an effective means to mitigate the off‐target ...
Qiu‐Xu Zang +8 more
wiley +1 more source
Green Synthesis and CatalysisThe first palladium-catalyzed halosulfonylation of alkynes with arylsulfonic acid under aerobic conditions was accomplished. This catalytic protocol provides a straightforward and effective synthetic strategy for the assembly of structurally diverse β ...
Yin-Long Lai +7 more
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Recent Advances in the Synthesis of Thiophene Derivatives by Cyclization of Functionalized Alkynes
Molecules, 2014 This review is intended to highlight some recent and particularly interesting examples of the synthesis of thiophene derivatives by heterocyclization of readily available S-containing alkyne substrates.
Raffaella Mancuso, Bartolo Gabriele
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Ferrocene-derived P,N ligands : synthesis and application in enantioselective catalysis [PDF]
, 2013 Due to their unique steric and electronic properties, air-stability and modular structure, chiral hybrid P,N-ferrocenyl ligands play a prominent role in the field of asymmetric catalysis.
Noël, Timothy, Van der Eycken, Johan
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