Search Results - "Boustie, Joël"
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Xanthones of Lichen Source: A 2016 Update
Published in Molecules (Basel, Switzerland) (02-03-2016)“…An update of xanthones encountered in lichens is proposed as more than 20 new xanthones have been described since the publication of the compendium of lichen…”
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CASE-DFT Structure Elucidation of Proton-Deficient Chlorodepsidones from the Indonesian Lichen Teloschistes flavicans and Structure Revision of Flavicansone
Published in Journal of natural products (Washington, D.C.) (27-09-2024)“…Biodiscovery efforts in Indonesia have aimed to explore the understudied chemical diversity of its rich lichen flora, seeking to find new products endowed with…”
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Matrix-Free UV-Laser Desorption Ionization Mass Spectrometry as a Versatile Approach for Accelerating Dereplication Studies on Lichens
Published in Analytical chemistry (Washington) (20-10-2015)“…The present study examined the suitability of laser desorption/ionization time-of-flight mass spectrometry (LDI-MS) for the rapid chemical fingerprinting of…”
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Salazinic Acid and Norlobaridone from the Lichen Hypotrachyna cirrhata : Antioxidant Activity, α-Glucosidase Inhibitory and Molecular Docking Studies
Published in Molecules (Basel, Switzerland) (29-11-2023)“…The present study was intended for the identification of secondary metabolites in acetone extract of the lichen using UPLC-ESI-QToF-MS/MS and the detection of…”
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Comprehensive Lichenometabolomic Exploration of Ramalina conduplicans Vain Using UPLC-Q-ToF-MS/MS: An Identification of Free Radical Scavenging and Anti-Hyperglycemic Constituents
Published in Molecules (Basel, Switzerland) (09-10-2022)“…In this study, we propose ultra-performance liquid chromatography coupled with quadrupole/time-of-flight mass spectrometry (UPLC-QToF-MS/MS)-guided metabolite…”
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Sulfonic Acid-Containing Flavonoids from the Roots of Phyllanthus acidus
Published in Journal of natural products (Washington, D.C.) (28-09-2018)“…Six new sulfonic acid-containing flavonoids, acidoflavanone (1), acidoauronol (2), 5-O-methylacidoauronol (3), acidoaurone (4), acidoisoflavone (5), and…”
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Lichen or Associated Micro-Organism Compounds Are Active against Human Coronaviruses
Published in Viruses (31-08-2023)“…(1) Background: Since the emergence of SARS-CoV-2, responsible for the COVID-19 pandemic, efforts have been made to identify antiviral compounds against human…”
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A database of high-resolution MS/MS spectra for lichen metabolites
Published in Scientific data (28-11-2019)“…While analytical techniques in natural products research massively shifted to liquid chromatography-mass spectrometry, lichen chemistry remains reliant on…”
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Minor Pyranonaphthoquinones from the Apothecia of the Lichen Ophioparma ventosa
Published in Journal of natural products (Washington, D.C.) (22-04-2016)“…Four new quinonoid naphthopyranones, ophioparmin (1), 4-methoxyhaemoventosins (2a and 2b), and 4-hydroxyhaemoventosin (3), together with anhydrofusarubin…”
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Synthesis of an Exhaustive Library of Naturally Occurring Galf‑Manp and Galp‑Manp Disaccharides. Toward Fingerprinting According to Ring Size by Advanced Mass Spectrometry-Based IM-MS and IRMPD
Published in Journal of organic chemistry (07-05-2021)“…Nature offers a huge diversity of glycosidic derivatives. Among numerous structural modulations, the nature of the ring size of hexosides may induce…”
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Cytotoxic Constituents of the Lichen Diploicia canescens
Published in Journal of natural products (Washington, D.C.) (28-12-2009)“…A new diphenyl ether (1), along with 12 known compounds, was isolated from the lichen Diploicia canescens. The structure of compound 1 was elucidated by…”
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Two novel diterpenes from the roots of Phyllanthus acidus (L.) Skeel
Published in Tetrahedron (21-09-2017)“…Two novel diterpenes, phyllanes A and B, were isolated from the roots of Phyllanthus acidus, along with the cleistanthane diterpene, spruceanol. Their chemical…”
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Sanctis A–C: Three Racemic Procyanidin Analogues from The Lichen Parmotrema sancti‐angelii
Published in European journal of organic chemistry (24-05-2018)“…The phytochemical investigation of the lichen Parmotrema sancti‐angelii afforded three racemic compounds, sanctis A–C, which feature an original…”
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Imbricaric acid and perlatolic acid: multi-targeting anti-inflammatory depsides from Cetrelia monachorum
Published in PloS one (09-10-2013)“…In vitro screening of 17 Alpine lichen species for their inhibitory activity against 5-lipoxygenase, microsomal prostaglandin E2 synthase-1 and nuclear factor…”
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Eumitrins C-E: Structurally diverse xanthone dimers from the vietnamese lichen Usnea baileyi
Published in Fitoterapia (01-03-2020)“…Three new xanthone dimers, eumitrins C − E (1–3), along with a new depsidone, 3′-O-demethylcryptostictinolide (4) were isolated from the acetone extract of the…”
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Chemotype variations among lichen ecotypes ofUmbilicaria aprinaas revealed by LC-ESI-MS/MS: a survey of antioxidant phenolics
Published in Environmental science and pollution research international (01-11-2020)“…In the present study, we characterized the phytochemical properties, which were specifically associated with phenolic compounds and antioxidant activities in…”
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Bioactive lichen metabolites: alpine habitats as an untapped source
Published in Phytochemistry reviews (01-09-2011)“…Lichens are fungal and algal/cyanobacterial symbioses resulting in the production of specific metabolites. Some of these are forming an available biomass for…”
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Depsides: lichen metabolites active against hepatitis C virus
Published in PloS one (20-03-2015)“…A thorough phytochemical study of Stereocaulon evolutum was conducted, for the isolation of structurally related atranorin derivatives. Indeed, pilot…”
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Chemotype variations among lichen ecotypes of Umbilicaria aprina as revealed by LC-ESI-MS/MS: a survey of antioxidant phenolics
Published in Environmental science and pollution research international (01-11-2020)“…In the present study, we characterized the phytochemical properties, which were specifically associated with phenolic compounds and antioxidant activities in…”
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Further terpenoids from Euphorbia tirucalli
Published in Fitoterapia (01-06-2019)“…The phytochemical investigation of Euphorbia tirucalli L. (Euphorbiaceae) yielded four new compounds, including a rare cadalene-type sesquiterpene…”
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