Results 41 to 50 of about 66,858 (295)
Sequential Au(I)-catalyzed reaction of water with o-acetylenyl-substituted phenyldiazoacetates
Beilstein Journal of Organic Chemistry, 2011 The gold(I)-catalyzed reaction of water with o-acetylenyl-substituted phenyldiazoacetates provides 1H-isochromene derivatives in good yields. The reaction follows a catalytic sequence of gold carbene formation/water O–H insertion/alcohol-alkyne ...
Lei Zhou +3 more
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SynOpen, 2023 A modular and highly reliable click approach is applied for the expeditious synthesis of lactose- and galactose-coated calixarene-cored G1 and G2 generation glycodendrimers, respectively.
Sunil Kumar +4 more
doaj +1 more source
, 2016 The alkyne tags possess unique interference-free Raman emissions but are still hindered for further application in the field of biochemical labels due to its extremely weak spontaneous Raman scattering. With the aid of computational chemistry, herein, an
Xia-Guang Zhang (2807857) +5 more
core +1 more source
Beilstein Journal of Organic Chemistry, 2013 An efficient entry to the preparation of elusive 4-unsubstituted-3-iodo-2H-chromenes has been accomplished as result of a catalytic cyclization. Thus, upon exposition of [(3-iodoprop-2-yn-1-yl)oxy]arenes to IPrAuNTf2 (3 mol %), in 1,4-dioxane at 100 °C ...
Pablo Morán-Poladura +2 more
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Alkyne lipids as substrates for click chemistry-based in vitro enzymatic assays
Journal of Lipid Research, 2013 Click chemistry is evolving as a powerful tool in biological applications because it allows the sensitive and specific detection of compounds with alkyne or azido groups.
Anne Gaebler +5 more
doaj +1 more source
Synthesis of Polar Aromatic Substituted Terminal Alkynes from Propargyl Amine
Molbank, 2021 A series of small molecules containing polar aromatic substituents and alkynes have been synthesized. One–pot preparations of polar aromatic molecules containing an alkynyl imine and alkynyl amide are reported.
Surya R. Banks +2 more
doaj +1 more source
Insight into Stable, Concentrated Radicals: from Sulfur-functionalized Alkyne-rich Crystalline Frameworks to Simple Alkyne Motifs [PDF]
Organic radicals feature versatile unpaired electrons key for photoelectronic and biomedical applications, but remain difficult to access in stable concentrated forms.
Jun, He +6 more
core +2 more sources
A Simple Nickel Catalyst Enables Broad E-Selective Alkyne Semihydrogenation [PDF]
, 2019 A simple and commercially available nickel catalyst for E-selective alkyne semihydrogenation is presented. The protocol is practical and encompasses a wide variety of internal alkynes, with aryl and alkyl substituents tolerated ...
Niklas O., Thiel +7 more
core +3 more sources
Zirconoarylation of alkynes through p-chloranil-promoted reductive elimination of arylzirconates
Beilstein Journal of Organic Chemistry, 2014 A novel method for the zirconoarylation of alkynes was developed. TCQ-promoted reductive elimination of arylzirconate [LiCp2ZrAr(RC≡CR)], which was prepared by the reaction of zirconocene–alkyne complexes with aryllithium compounds, afforded ...
Xiaoyu Yan, Chao Chen, Chanjuan Xi
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Conditional Copper-Catalyzed Azide Alkyne Cycloaddition by Catalyst Encapsulation [PDF]
, 2020 Supramolecular encapsulation is known to alter chemical properties of guest molecules. Here we apply this strategy of molecular encapsulation to temporally control the catalytic activity of a stable Cu(I)-carbene catalyst.
Rienk, Eelkema +7 more
core +1 more source