Ochuscins A‒G, highly oxygenated usnic acid derivatives from the deep-sea-derived fungus Ochroconis sp. FS449
Sign Up to like & getrecommendations! Published in 2020 at "Tetrahedron"
DOI: 10.1016/j.tet.2020.131066
Abstract: Abstract Ochuscins A‒G (1–7), seven highly oxygenated usnic acid derivatives were isolated from the deep-sea-derived fungus Ochroconis sp. FS449. Their structures were elucidated based on the 1D, 2D NMR, HRESIMS and single crystal X-ray diffraction,… read more here.
Keywords: deep sea; sea derived; usnic acid; highly oxygenated ... See more keywords
Talaromynoids A-I, Highly Oxygenated Meroterpenoids from the Marine-Derived Fungus Talaromyces purpureogenus SCSIO 41517 and Their Lipid Accumulation Inhibitory Activities.
Sign Up to like & getrecommendations! Published in 2021 at "Journal of natural products"
DOI: 10.1021/acs.jnatprod.1c00681
Abstract: Nine new highly oxygenated 3,5-dimethylorsellinic acid-derived meroterpenoids, talaromynoids A-I (1-9), were isolated from the marine-derived fungus Talaromyces purpureogenus SCSIO 41517. Their structures including absolute configurations were elucidated by HRMS, NMR, single-crystal X-ray diffraction analysis, and… read more here.
Keywords: derived fungus; fungus talaromyces; talaromyces purpureogenus; highly oxygenated ... See more keywords
Astramalabaricosides A-T, Highly Oxygenated Malabaricane Triterpenoids with Migratory Inhibitory Activity from Astragalus membranaceus var. mongholicus.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of natural products"
DOI: 10.1021/acs.jnatprod.2c00494
Abstract: Twenty new malabaricane triterpenoids, astramalabaricosides A-T (1-20), were isolated from the roots of Astragalus membranaceus var. mongholicus (Astragali Radix). Their structures were determined by spectroscopic analysis, and the use of the circular dichroism exciton chirality… read more here.
Keywords: malabaricane triterpenoids; migratory inhibitory; activity; malabaricane ... See more keywords
Highly Oxygenated Triterpenoids and Rare Tetraterpenoids from Abies chensiensis and Their Antibacterial Activity.
Sign Up to like & getrecommendations! Published in 2019 at "Journal of natural products"
DOI: 10.1021/acs.jnatprod.9b00616
Abstract: Nine new cycloartane triterpenoids (1, 2, 4, 7, 8, 12, 15, 17, and 18) and two new rare tetraterpenoids (24 and 25) formed via a [4 + 2] Diels-Alder cycloaddition between a lanostane triterpenoid and… read more here.
Keywords: highly oxygenated; antibacterial activity; rare tetraterpenoids; abies chensiensis ... See more keywords
Early animal evolution and highly oxygenated seafloor niches hosted by microbial mats
Sign Up to like & getrecommendations! Published in 2019 at "Scientific Reports"
DOI: 10.1038/s41598-019-49993-2
Abstract: The earliest unambiguous evidence for animals is represented by various trace fossils in the latest Ediacaran Period (550–541 Ma), suggesting that the earliest animals lived on or even penetrated into the seafloor. Yet, the O2 fugacity… read more here.
Keywords: microbial mats; seafloor; highly oxygenated; animal evolution ... See more keywords
Sarcosenones A–C, highly oxygenated pimarane diterpenoids from an endolichenic fungus Sarcosomataceae sp.
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DOI: 10.1039/d0ra02485f
Abstract: Three new highly oxygenated pimarane diterpenoids, sarcosenones A–C (1–3), and the known 9α-hydroxy-1,8(14),15-isopimaratrien-3,7,11-trione (4), were isolated from cultures of an endolichenic fungus Sarcosomataceae sp. Their structures were elucidated based on NMR spectroscopic data and electronic… read more here.
Keywords: oxygenated pimarane; pimarane diterpenoids; endolichenic fungus; highly oxygenated ... See more keywords
Highly oxygenated ent-atisane and podocarpane diterpenoids from Excoecaria agallocha.
Sign Up to like & getrecommendations! Published in 2021 at "Natural product research"
DOI: 10.1080/14786419.2021.1900177
Abstract: A new highly oxygenated ent-atisane diterpenoid, namely excagallonoid A (1), together with five known analogues (2 - 6) were isolated from the leaves and twigs of Excoecaria agallocha. Their structures were elucidated on the basis of extensive… read more here.
Keywords: oxygenated ent; atisane; highly oxygenated; ent atisane ... See more keywords
Unexpected significance of a minor reaction pathway in daytime formation of biogenic highly oxygenated organic compounds
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DOI: 10.1126/sciadv.abp8702
Abstract: Secondary organic aerosol (SOA), formed by oxidation of volatile organic compounds, substantially influence air quality and climate. Highly oxygenated organic molecules (HOMs), particularly those formed from biogenic monoterpenes, contribute a large fraction of SOA. During… read more here.
Keywords: minor reaction; organic compounds; reaction; formation ... See more keywords
Four New Highly Oxygenated Eremophilane Sesquiterpenes from an Endophytic Fungus Boeremia exigua Isolated from Fritillaria hupehensis
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Fungi"
DOI: 10.3390/jof8050492
Abstract: Four new eremophilane-type sesquiterpenes, boeremialanes A–D (1–4) were obtained from solid substrate cultures of Boeremia exigua (Didymellaceae), an endophytic fungus isolated from Fritillaria hupehensis (Liliaceae). Boeremialanes A–C (1–3) are highly oxygenated eremophilanes with a benzoate… read more here.
Keywords: four new; endophytic fungus; isolated fritillaria; highly oxygenated ... See more keywords
Formation of highly oxygenated organic molecules from chlorine-atom-initiated oxidation of alpha-pinene
Sign Up to like & getrecommendations! Published in 2020 at "Atmospheric Chemistry and Physics"
DOI: 10.5194/acp-20-5145-2020
Abstract: Abstract. Highly oxygenated organic molecules (HOMs) from atmospheric oxidation of alpha-pinene can irreversibly condense to particles and contribute to secondary organic aerosol (SOA) formation. Recently, the formation of nitryl chloride ( ClNO2 ) from heterogeneous… read more here.
Keywords: oxygenated organic; oxidation alpha; alpha pinene; highly oxygenated ... See more keywords
Production of highly oxygenated organic molecules (HOMs) from trace contaminants during isoprene oxidation
Sign Up to like & getrecommendations! Published in 2018 at "Atmospheric Measurement Techniques"
DOI: 10.5194/amt-11-4763-2018
Abstract: Abstract. During nucleation studies from pure isoprene oxidation in the CLOUD chamber at the European Organization for Nuclear Research (CERN) we observed unexpected ion signals at m∕z = 137.133 ( C10 H 17 + )… read more here.
Keywords: chamber; oxidation; ptr3 tof; highly oxygenated ... See more keywords