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  1. 7061
    “…Two of the compounds are lactones—osmundalactone (1) and 5-hydroxy-hex-2-en-4-olide (2)—while 3 and 4 were identified as terphenyl quinones, spiromentins C and B, respectively. …”
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    Bioactivity-Guided Isolation of Antimicrobial and Antioxidant Metabolites from the Mushroom Tapinella atrotomentosa
  2. 7062
    “…Interestingly, the enzymes in the cultured cells of A. annua showed the abilities of substrate-selective and region-selective hydroxylation of the sesquiterpene lactone. Furthermore, the artemisinin contents were increased by 50% and 80% compared to the control group after the addition of arteannuin I/J to the suspension-cultured cells of A. annua under light and dark culture conditions, respectively.…”
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    Four New Compounds Obtained from Cultured Cells of Artemisia annua
  3. 7063
    “…Of these; costunolide (2), dehydrocostus lactone (3) and scopoletin (4) showed significant inhibition on seedling growth in a concentration-dependent manner. …”
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    Main Allelochemicals from the Rhizosphere Soil of Saussurea lappa (Decne.) Sch. Bip. and Their Effects on Plants’ Antioxidase Systems
  4. 7064
    “…Two lupane and four ursane triterpenes, namely epilupeol (1), lupeol acetate (2), ursolic acid (3), brein (4), 3β 11α-dihydroxy urs-12-ene (5) and ursolic acid lactone (6) were isolated from aerial parts of Kleinia odora and identified. …”
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    In Vitro Antiprotozoal Activity of Triterpenoid Constituents of Kleinia odora Growing in Saudi Arabia
  5. 7065
    “…Fruit volatile compounds are mainly comprised of esters, alcohols, aldehydes, ketones, lactones, terpenoids and apocarotenoids. Many factors affect volatile composition, including the genetic makeup, degree of maturity, environmental conditions, postharvest handling and storage. …”
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    Advances in Fruit Aroma Volatile Research
  6. 7066
    “…Among them, acids (such as acetic acid, butanoic acid and 3-methylbutanoic acid), saturated aldehydes (such as hexanal, heptanal, octanal and 3-methylbutanal), benzene derivatives (such as benzeneacetic acid), ester and lactone (such as γ-nonalactone and γ-decalactone) were identified as critical compounds in Jinhua ham aroma. …”
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    Aroma-Active Compounds in Jinhua Ham Produced With Different Fermentation Periods
  7. 7067
    “…The possibility of applying near-infrared (NIR) spectroscopy to monitor 13 active components (phenolic acids, flavonoids, and sesquiterpene lactones) in Arnicae flos was studied. The preprocessing of the spectra were performed by using the conventional Golay-Savitzky procedure and the newly developed step-by-step filter. …”
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    Quantitative Characterization of Arnicae flos by RP-HPLC-UV and NIR Spectroscopy
  8. 7068
    “…This protocol has been applied to the first enantioselective synthesis of natural product, (R)-traumatic lactone. Control experiments showed that in addition to the chiral ligand, conducting this transformation via Procedure C, which excludes the extensive prior coordination of the allene unit in the starting allene with Pd forming a species without the influence of the chiral ligand, is crucial for the observed high enantioselectivity.…”
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    Catalytic enantioselective construction of axial chirality in 1,3-disubstituted allenes
  9. 7069
    “…Numerous phytochemical investigations of plants from the A. cathartica have shown the presence of hydrocarbons, alcohols, esters, ethers, aldehydes, ketones, fatty acids, phospholipids, volatile compounds, phenolic compounds, flavonoids, alkaloids, steroids, terpenes, lactones, and carbohydrates. Various studies have confirmed that extracts and active substances isolated from the A. cathartica have multiple pharmacological activities. …”
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    Allamanda cathartica: A Review of the Phytochemistry, Pharmacology, Toxicology, and Biotechnology
  10. 7070
    “…Seven resorcylic acid lactones (RALs) including five new analog rhinoclactones, A–E (1, 2, 4–6), were isolated from an endophytic fungus Rhinocladiella similis in the plant Agriophyllum squarrosum collected from the Tengger Desert of the Ningxia Province, China. …”
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    Rhinoclactones A-E, Resorcylic Acid Analogs from Desert Plant Endophytic Fungus Rhinocladiella similis
  11. 7071
    “…The advantages of this methodology are showcased in the two-step synthesis of the key lactonic moiety of (+)-compactin and (+)-mevinolin. …”
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    Ni-catalyzed deaminative cross-electrophile coupling of Katritzky salts with halides via C─N bond activation
  12. 7072
    “…The monoterpenoid lactone derivative (+)‐dihydrocarvide ((+)‐DHCD) can be polymerised to form shape‐memory polymers. …”
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    From Bugs to Bioplastics: Total (+)‐Dihydrocarvide Biosynthesis by Engineered Escherichia coli
  13. 7073
    “…Five new meroterpenoids, clavipols A–B (1–2) with a 12-membered ether ring and clavilactones G–I (3–5) having a 10-membered carbocycle connected to a hydroquinone and an α,β-epoxy/unsaturated lactone, were obtained from the fruiting bodies of the basidiomycete Clitocybe clavipes. …”
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    Five New Meroterpenoids from the Fruiting Bodies of the Basidiomycete Clitocybe clavipes with Cytotoxic Activity
  14. 7074
    “…Two new aryltetralin lactone lignans, petasitesins A and B were isolated from the hot water extract of the leaves of butterbur (Petasites japonicus) along with six known compounds. …”
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    Chemical Constituents of the Leaves of Butterbur (Petasites japonicus) and Their Anti-Inflammatory Effects
  15. 7075
    “…Furthermore, (±)-13-deacetoxyaustalide I could serve as a common intermediate to be derivatized into other related natural products, (±)-austalide P and (±)-13-deoxyaustalide Q acid, by functionalizing the cyclic lactone moiety.…”
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    Meroterpenoid Synthesis via Sequential Polyketide Aromatization and Radical Anion Cascade Triene Cyclization: Biomimetic Total Syntheses of Austalide Natural Products
  16. 7076
    “…A key group of quorum sensing molecules in Gram-negative bacteria are the N-acylhomoserine lactones (AHLs), which are known to affect the growth and development of both flowering plants, including crops, and marine algae. …”
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    Cross-kingdom signalling regulates spore germination in the moss Physcomitrella patens
  17. 7077
    “…However, it also produces other polyketides, including p-coumaroyltriacetic acid lactone (CTAL), because of the derailment of the chalcone-producing pathway. …”
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    A conserved strategy of chalcone isomerase-like protein to rectify promiscuous chalcone synthase specificity
  18. 7078
    “…The results showed that the new compound, 1,3-butanediol 3-pyroglutamate (4), 2-deoxy-d-ribono-1,4-lactone (6), methyl pyroglutamate (7), ampelopsisionoside (10), icariside B(1) (11), and benzyl α-l-arabinopyranosyl-(1→6)-β-d-glucopyranoside (12) stimulated both ALP and mineralization activities.…”
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    New Methyl Threonolactones and Pyroglutamates of Spilanthes acmella (L.) L. and Their Bone Formation Activities
  19. 7079
    por Sexton, John T, Tabor, Jeffrey J
    Publicado 2020
    “…Our design comprises multiplexer and demultiplexer sub‐circuits constructed from a total of 12 CRISPRi‐based transcriptional logic gates, an acyl homoserine lactone‐based communication module, and three inducible promoters that enable small molecule control over the conversations. …”
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    Multiplexing cell‐cell communication
  20. 7080
    por Undheim, Kjell
    Publicado 2020
    “…Clarithromycin and congeners are important antibacterial members of the erythromycin A 14-membered macrocyclic lactone family. The macrolide scaffold consists of a multifunctional core that carries both chemically reactive and non-reactive substituents and sites. …”
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    Scaffold Modifications in Erythromycin Macrolide Antibiotics. A Chemical Minireview
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