Search Results - "Franck Le Vaillant"

C‐Terminal Bioconjugation of Peptides through Photoredox Catalyzed Decarboxylative Alkynylation by Garreau, Marion, Le Vaillant, Franck, Waser, Jerome

“…We report the first decarboxylative alkynylation of the C‐terminus of peptides starting from free carboxylic acids. The reaction is fast, metal‐free, and…”
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Room-Temperature Decarboxylative Alkynylation of Carboxylic Acids Using Photoredox Catalysis and EBX Reagents by Le Vaillant, Franck, Courant, Thibaut, Waser, Jerome

“…Alkynes are used as building blocks in synthetic and medicinal chemistry, chemical biology, and materials science. Therefore, efficient methods for their…”
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Divergent Access to (1,1) and (1,2)‐Azidolactones from Alkenes using Hypervalent Iodine Reagents by Alazet, Sébastien, Le Vaillant, Franck, Nicolai, Stefano, Courant, Thibaut, Waser, Jerome

“…A versatile synthesis of azidolactones through azidation and cyclization of carboxylic acids onto alkenes has been developed. Based on either photoredox or…”
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Decarboxylative Alkynylation and Cyanation of Carboxylic Acids using Photoredox Catalysis and Hypervalent Iodine Reagents by Franck Le Vaillant, Jérôme Waser

“…Alkynes and nitriles are important functional groups that serve as versatile building blocks in organic synthesis and find applications in material and…”
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Alkynylation of radicals: spotlight on the "Third Way" to transfer triple bonds by Le Vaillant, Franck, Waser, Jérôme

“…The alkynylation of radical intermediates has been known since a long time, but had not been broadly applied in synthetic chemistry, in contrast to the…”
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Fine-tuned organic photoredox catalysts for fragmentation-alkynylation cascades of cyclic oxime ethers by Le Vaillant, Franck, Garreau, Marion, Nicolai, Stefano, Gryn'ova, Ganna, Corminboeuf, Clemence, Waser, Jerome

“…Fine-tuned organic photoredox catalysts are introduced for the metal-free alkynylation of alkylnitrile radicals generated oxidative ring opening of cyclic…”
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Ni-Catalyzed Oxygen Transfer from N2O onto sp3‑Hybridized Carbons by Ni, Shengyang, Vaillant, Franck Le, Mateos-Calbet, Ana, Martin, Ruben, Cornella, Josep

“…Herein we disclose a catalytic synthesis of cycloalkanols that harnesses the potential of N2O as an oxygen transfer agent onto sp3-hybridized carbons. The…”
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Room temperature decarboxylative cyanation of carboxylic acids using photoredox catalysis and cyanobenziodoxolones: a divergent mechanism compared to alkynylation by Le Vaillant, Franck, Wodrich, Matthew D, Waser, Jérôme

“…The one-step conversion of aliphatic carboxylic acids to the corresponding nitriles has been accomplished the merger of visible light mediated photoredox and…”
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Catalytic synthesis of phenols with nitrous oxide by Le Vaillant, Franck, Mateos Calbet, Ana, González-Pelayo, Silvia, Reijerse, Edward J., Ni, Shengyang, Busch, Julia, Cornella, Josep

“…The development of catalytic chemical processes that enable the revalorization of nitrous oxide (N 2 O) is an attractive strategy to alleviate the…”
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Direct Photoexcitation of Ethynylbenziodoxolones: An Alternative to Photocatalysis for Alkynylation Reactions by Amos, Stephanie G. E., Cavalli, Diana, Le Vaillant, Franck, Waser, Jerome

“…Ethynylbenziodoxolones (EBXs) are commonly used as radical traps in photocatalytic alkynylations. Herein, we report that aryl‐substituted EBX reagents can be…”
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Revisiting the Urech Synthesis of Hydantoins: Direct Access to Enantiopure 1,5-Substituted Hydantoins Using Cyanobenziodoxolone by Declas, Nina, Le Vaillant, Franck, Waser, Jerome

“…A method for the synthesis of enantiopure 1,5-substituted hydantoins was developed using a hypervalent iodine cyanation reagent (cyanobenziodoxolone, CBX) as a…”
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Exploring Photoredox‐Catalyzed (Re)functionalizations with Core‐Modified Benziodoxolones by Amos, Stephanie G. E., Le Vaillant, Franck, Waser, Jerome

“…Alkynes and nitriles are valuable building blocks in organic synthesis and also have multiple applications in chemical biology and materials science. Due to…”
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C‐Terminal Bioconjugation of Peptides through Photoredox Catalyzed Decarboxylative Alkynylation by Garreau, Marion, Le Vaillant, Franck, Waser, Jerome

“…We report the first decarboxylative alkynylation of the C‐terminus of peptides starting from free carboxylic acids. The reaction is fast, metal‐free, and…”
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Direct Photoexcitation of Ethynylbenziodoxolones: An Alternative to Photocatalysis for Alkynylation Reactions by Amos, Stephanie G. E., Cavalli, Diana, Le Vaillant, Franck, Waser, Jerome

“…Ethynylbenziodoxolones (EBXs) are commonly used as radical traps in photocatalytic alkynylations. Herein, we report that aryl‐substituted EBX reagents can be…”
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Room-Temperature Decarboxylative Alkynylation of Carboxylic Acids Using Photoredox Catalysis and EBX Reagents by Le Vaillant, Franck, Courant, Thibaut, Waser, Jerome

“…Alkynes are used as building blocks in synthetic and medicinal chemistry, chemical biology, and materials science. Therefore, efficient methods for their…”
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Dialkyl Ether Formation at High-Valent Nickel by Le Vaillant, Franck, Reijerse, Edward J, Leutzsch, Markus, Cornella, Josep

“…In this article, we investigated the I2-promoted cyclic dialkyl ether formation from 6-membered oxanickelacycles originally reported by Hillhouse. A detailed…”
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Ni-Catalyzed Oxygen Transfer from N 2 O onto sp 3 -Hybridized Carbons by Ni, Shengyang, Vaillant, Franck Le, Mateos-Calbet, Ana, Martin, Ruben, Cornella, Josep

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Visible-Light-Driven Decarboxylative Borylation: Rapid Access to α- and β‑Amino-boronamides by Serafino, Andrea, Pierre, Hugo, Le Vaillant, Franck, Boutet, Julien, Guillamot, Gérard, Neuville, Luc, Masson, Géraldine

“…In this study, we described a two-step process involving an efficient visible-light-induced decarboxylative borylation of α- and β-amino redox-active esters…”
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Metal-Free Electrophilic Alkynylation of Sulfenate Anions with Ethynylbenziodoxolone Reagents by Amos, Stephanie G. E, Nicolai, Stefano, Gagnebin, Alec, Le Vaillant, Franck, Waser, Jerome

“…Alkynyl sulfoxides are important building blocks with a unique reactivity in organic chemistry, but only a few reliable methods have been reported to…”
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Author Correction: Catalytic synthesis of phenols with nitrous oxide by Le Vaillant, Franck, Mateos Calbet, Ana, González-Pelayo, Silvia, Reijerse, Edward J., Ni, Shengyang, Busch, Julia, Cornella, Josep

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