Search Results - "MESSAOUDI, Samir"
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Sulfinate derivatives: dual and versatile partners in organic synthesis
Published in Organic & biomolecular chemistry (28-12-2014)“…Sulfinic acids and their salts have recently emerged as versatile coupling partners to efficiently access a wide variety of hetero- and carbocyclic compounds,…”
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2
Palladium‐Mediated Labeling of Nucleic Acids
Published in Chembiochem : a European journal of chemical biology (02-03-2017)“…New applications of Pd‐catalyzed coupling reactions (Suzuki–Miyaura, Sonogashira, and Stille–Migita coupling) for post‐conjugation of nucleic acids have been…”
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3
Ni/Photoredox-Dual-Catalyzed Functionalization of 1‑Thiosugars
Published in Organic letters (05-07-2019)“…A general protocol for functionalization of glycosyl thiols has been reported. This protocol is based on a single-electron Ni/photoredox dual-catalyzed cross…”
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4
Room-Temperature Pd-Catalyzed Synthesis of 1‑(Hetero)aryl Selenoglycosides
Published in Organic letters (21-08-2020)“…A general protocol for functionalization of an anomeric selonate anion at room temperature has been reported. By using the PdG3 XantPhos catalyst, the…”
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5
Emerging Organometallic Methods for the Synthesis of C‐Branched (Hetero)aryl, Alkenyl, and Alkyl Glycosides: C−H Functionalization and Dual Photoredox Approaches
Published in Chemistry : a European journal (07-01-2021)“…Transition‐metal‐catalyzed C−H functionalization and photoredox nickel dual catalysis have emerged as innovative and powerful avenues for the synthesis of…”
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Transition-Metal-Catalyzed Direct C-H Alkenylation, Alkynylation, Benzylation, and Alkylation of (Hetero)arenes
Published in European Journal of Organic Chemistry (01-12-2010)“…Direct functionalization of (hetero)aromatic C–H bonds has recently emerged as a powerful tool for the functionalization of organic molecules. In the past…”
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Efficient Buchwald–Hartwig–Migita Cross‐Coupling for DNA Thioglycoconjugation
Published in Chemistry : a European journal (06-02-2018)“…An efficient method for the thioglycoconjugation of iodinated oligonucleotides by Buchwald–Hartwig–Migita cross‐coupling under mild conditions is reported. The…”
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Stereoretentive Palladium-Catalyzed Arylation, Alkenylation, and Alkynylation of 1-Thiosugars and Thiols Using Aminobiphenyl Palladacycle Precatalyst at Room Temperature
Published in Chemistry : a European journal (01-06-2015)“…A general and efficient protocol for the palladium‐catalyzed functionalization of mono‐ and polyglycosyl thiols by using the palladacycle precatalyst…”
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9
Nickel-Catalyzed Arylation, Alkenylation, and Alkynylation of Unprotected Thioglycosides at Room Temperature
Published in Chemistry : a European journal (04-11-2013)“…Unprotected thioglycosides were effective nucleophiles for Ni0‐catalyzed CS bond‐forming reaction with functionalized (hetero)aryl, alkenyl, and alkynyl…”
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Synthesis and Biological Activity of 3-(Heteroaryl)quinolin-2(1 H )-ones Bis-Heterocycles as Potential Inhibitors of the Protein Folding Machinery Hsp90
Published in Molecules (Basel, Switzerland) (01-01-2022)“…In the context of our SAR study concerning 6BrCaQ analogues as C-terminal Hsp90 inhibitors, we designed and synthesized a novel series of…”
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11
Stereoretentive Copper-Catalyzed Directed Thioglycosylation of C(sp2)−H Bonds of Benzamides
Published in Chemistry : a European journal (10-10-2016)“…An efficient thioglycosylation of C(sp2)−H bonds with thiosugars has been established for the first time. Using only Cu(OAc)2⋅H2O as a catalyst and Ag2CO3 as…”
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12
Convergent Synthesis of N,S-bis Glycosylquinolin-2-ones via a Pd-G3-XantPhos Precatalyst Catalysis
Published in Molecules (Basel, Switzerland) (26-02-2018)“…Buchwald-Hartwig-Migita cross-coupling of 1-thiosugars with α- or β-3-iodo-N-glycosylquinolin-2-ones has been accomplished under mild and operationally simple…”
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Isocombretastatins A versus Combretastatins A: The Forgotten isoCA-4 Isomer as a Highly Promising Cytotoxic and Antitubulin Agent
Published in Journal of medicinal chemistry (23-07-2009)“…Herein is reported a convergent synthesis of isocombretastatins A, a novel class of potent antitubulin agents. These compounds having a 1,1-diarylethylene…”
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Conversion of 3‑Bromo‑2H‑coumarins to 3‑(Benzofuran-2-yl)‑2H‑coumarins under Palladium Catalysis: Synthesis and Photophysical Properties Study
Published in Organic letters (17-02-2017)“…An intriguing conversion of 3-bromo-2H-coumarins to 3-(benzofuran-2-yl)-2H-coumarins under palladium catalysis is reported. The process involves, from only one…”
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Palladium-Catalyzed Chemoselective and Biocompatible Functionalization of Cysteine-Containing Molecules at Room Temperature
Published in Chemistry : a European journal (01-08-2016)“…The third generation of aminobiphenyl palladacycle pre‐catalyst “G3‐Xantphos” enables functionalization of peptides containing cysteine in high yields. The…”
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16
Photoswitchable glycoligands targeting Pseudomonas aeruginosa LecA
Published in Beilstein journal of organic chemistry (03-07-2024)“…Biofilm formation is one of main causes of bacterial antimicrobial resistance infections. It is known that the soluble lectins LecA and LecB, produced by ,…”
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Antitumor activity of nanoliposomes encapsulating the novobiocin analog 6BrCaQ in a triple-negative breast cancer model in mice
Published in Cancer letters (28-09-2018)“…In this study, we investigated the anticancer efficacy of pegylated liposomes containing 6BrCaQ, an hsp90 inhibitor derived from novobiocin. 6BrCaQ has been…”
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Stereoselective Palladium-Catalyzed Alkenylation and Alkynylation of Thioglycosides
Published in Advanced synthesis & catalysis (16-09-2013)“…An efficient and unprecedented palladium‐catalyzed S‐glycosylation reaction of a range of alkenyl and alkynyl halides by using thiosugars as nucleophile…”
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Discovery of azaisoerianin derivatives as potential antitumors agents
Published in European journal of medicinal chemistry (06-05-2014)“…A series of N-methyl-diarylamines 2 was designed and synthesized as a novel class of CA-4 and isoCA-4 analogues. Compounds 2b and 2m showed excellent…”
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Palladium-catalyzed selective N-(hetero)arylation or N,N′-di(hetero)arylation of 1-aminoindoles
Published in Tetrahedron letters (25-05-2011)“…The selective synthesis of N-(hetero)aryl-1-aminoindoles 3 from the corresponding N-aminoindoles and (hetero)aryl halides using a catalyst combination of Pd…”
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