Search Results - "Roscales, Silvia"

Terpenoids Bearing the 7-Oxabicyclo[2.2.1]heptane (7-Oxanorbornane) Skeleton. Natural Sources, Biological Activities and Chemical Synthesis by Plumet, Joaquín, Roscales, Silvia

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Trifluoroacetic Anhydride Promoted Tandem Conjugate Addition of Boronic Acids/Acetal Ring Opening by Roscales, Silvia, Csákÿ, Aurelio G

“…A new stereoselective tandem reaction consisting of the metal-free conjugate addition of boronic acids followed by an intramolecular ring opening of a cyclic…”
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Synthesis of Mono‑N‑Methyl Aromatic Amines from Nitroso Compounds and Methylboronic Acid by Roscales, Silvia, Csákÿ, Aurelio G

“…The selective synthesis of mono-N-methyl aromatic amines was achieved by the reaction of aromatic nitroso compounds with methylboronic acid promoted by…”
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Transition-Metal-Free Reactions of Boronic Acids: 1,3-Stereochemical Induction in the Substrate-Controlled Conjugate Addition by Roscales, Silvia, Ortega, Víctor, Csákÿ, Aurelio G

“…The substrate-controlled 1,3-stereoselective conjugate addition of boronic acids and potassium trifluoroborates under metal-free conditions has been developed…”
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Mini-Review: Organic Catalysts in the 1,3-Dipolar Cycloaddition Reactions of Nitrile Oxides by Plumet, Joaquín, Roscales, Silvia

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Metal‐Free Aminophosphonation: Eco‐Friendly Synthesis and Photophysical Properties of Fluorescent 3‐(Aminoimidazo[1,2‐ a ]Pyridin‐2‐yl)Phosphonates by Roscales, Silvia, Csáky, Aurelio G.

“…We report a novel, metal‐free procedure for the direct aminophosphonation of imidazo[1,2‐ a ]pyridines in green solvents under open air conditions. This method…”
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Access to 18 F-labelled isoxazoles by ruthenium-promoted 1,3-dipolar cycloaddition of 4-[ 18 F]fluoro-N-hydroxybenzimidoyl chloride with alkynes by Roscales, Silvia, Kniess, Torsten

“…4-[ F]Fluoro-N-hydroxybenzimidoyl chloride ( FBIC), an F-labelled aromatic nitrile oxide, was developed as building block for Ru-promoted 1,3-dipolar…”
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Access to 18F‐labelled isoxazoles by ruthenium‐promoted 1,3‐dipolar cycloaddition of 4‐[18F]fluoro‐N‐hydroxybenzimidoyl chloride with alkynes by Roscales, Silvia, Kniess, Torsten

“…4‐[18F]Fluoro‐N‐hydroxybenzimidoyl chloride (18FBIC), an 18F‐labelled aromatic nitrile oxide, was developed as building block for Ru‐promoted 1,3‐dipolar…”
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Metal-Free Aminophosphonation: Eco-friendly Synthesis and Photophysical Properties of Fluorescent 3-(Aminoimidazo[1,2-a]pyridin-2-yl)phosphonates by Csaky, Aurelio G, Roscales, Silvia

“…We report a novel, metal-free procedure for the direct aminophosphonation of imidazo[1,2-a]pyridines in green solvents under open air conditions. This method…”
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Synthesis of Di(hetero)arylamines from Nitrosoarenes and Boronic Acids: A General, Mild, and Transition-Metal-Free Coupling by Roscales, Silvia, Csákÿ, Aurelio G

“…The synthesis of di­(hetero)­arylamines by a transition-metal-free cross-coupling between nitrosoarenes and boronic acids is reported. The procedure is…”
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Synthesis of Ketones by C−H Functionalization of Aldehydes with Boronic Acids under Transition‐Metal‐Free Conditions by Roscales, Silvia, Csáky, Aurelio G.

“…A method for the synthesis of ketones from aldehydes and boronic acids via a transition‐metal‐free C−H functionalization reaction is reported. The method…”
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Transition‐Metal‐Free Three‐Component Synthesis of Tertiary Aryl Amines from Nitro Compounds, Boronic Acids, and Trialkyl Phosphites by Roscales, Silvia, Csáky, Aurelio G.

“…The synthesis of aromatic amines is of continuous interest in chemistry. An exceptionally versatile three‐component reaction that directly transforms…”
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Transition-metal-free reductive coupling of an 18F-labeled nitro-arene with boronic acids as a potential access to 18F-labeled fenamates by Laube, Markus, Roscales, Silvia, Pietzsch, Jens, Csákÿ, Aurelio

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SP-068 - Transition-metal-free reductive coupling of an 18F-labeled nitro-arene with boronic acids as a potential access to 18F-labeled fenamates by Laube, Markus, Roscales, Silvia, Pietzsch, Jens, Csákÿ, Aurelio

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Transition-Metal-Free Direct anti-Carboboration of Alkynes with Boronic Acids To Produce Alkenylheteroarenes by Roscales, Silvia, Csákÿ, Aurelio G

“…The transition-metal-free intermolecular direct 1,2-carboboration reaction of heteroarylacetylenes using boronic acids as reagents is achieved by utilizing…”
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Ring Rearrangement Metathesis in 7-Oxabicyclo[2.2.1]heptene (7-Oxanorbornene) Derivatives. Some Applications in Natural Product Chemistry by Roscales, Silvia, Plumet, Joaquín

“…Metathesis reactions is firmly established as a valuable synthetic tool in organic chemistry, clearly comparable with the venerable Diels-Alder and Wittig…”
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Selective Functionalization of Achmatowicz Rearrangement Products by Reactions with Potassium Organotrifluoroborates under Transition-Metal-Free Conditions by Roscales, Silvia, Ortega, Víctor, Csákÿ, Aurelio G

“…The repertoire of synthetic transformations of the products of the Achmatowicz rearrangement has been expanded by exploring their reactivity with potassium…”
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One-Pot Cascade Synthesis of Pyrazole Based Isosteres of Valdecoxib by a [3+2] Cycloaddition Sequence and Evaluation of Their Cox Inhibitory Activity by Roscales, Silvia, Kniess, Torsten, Bechmann, Nicole, Pietzsch, Jens

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Synthesis of Flufenamic Acid: An Organic Chemistry Lab Sequence Using Boronic Acids and Nitrosoarenes under Transition-Metal-Free Conditions by Roscales, Silvia, Csákÿ, Aurelio G

“…A method for the synthesis of flufenamic acid, a nonstereoidal anti-inflammatory drug (NSAID) of the anthranilate family (fenams), is described as an…”
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1,2‐Stereochemical Induction in the Pd II ‐Catalyzed Conjugate Addition of Boronic Acids by Roscales, Silvia, Sánchez, Francisco, Csákÿ, Aurelio G.

“…Palladium(II) catalysis has been used in the substrate‐controlled 1,2‐chiral induction of the conjugate addition of boronic acids to enantiopure…”
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