Results 31 to 40 of about 95,231 (345)
Beilstein Journal of Organic Chemistry, 2010 4-Aryl-4-oxoesters undergo facile reduction of both the keto and the ester groups with methanolic NaBH4 at room temperature to yield the corresponding 1-aryl-1,4-butanediols whereas 4-alkyl-4-oxoesters furnish the corresponding 1,4-butanolides via ...
Subrata Kumar Chaudhuri +3 more
doaj +1 more source
Synthesis of Spiroisoxazolines by 1,3-Dipolar Cycloaddition
Molecules, 1997 The cycloaddition of the chiral nitrile oxide 1 to 1-R-substituted 3,3-methylene-5,5-dimethyl-2-pyrrolidinones 2 (where R is H, n-butyl-, 1,1-dimethylethoxycarbonyl-, 1-methylethenyl- and acetyl-) proceeds regioselectively under the formation of ...
Peter Ertl +3 more
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Molecules, 2021 A total of nine sesquiterpenoid lactones together with phenolic compounds and other terpenes were identified from the crude methanol extract of Elephantopus mollis Kunth.
Gabin Thierry M. Bitchagno +6 more
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Functional characterization of the cytochrome P450 monooxygenase CYP71AU87 indicates a role in marrubiin biosynthesis in the medicinal plant Marrubium vulgare. [PDF]
, 2019 BackgroundHorehound (Marrubium vulgare) is a medicinal plant whose signature bioactive compounds, marrubiin and related furanoid diterpenoid lactones, have potential applications for the treatment of cardiovascular diseases and type II diabetes.
Addison, J Bennett +5 more
core +6 more sources
Lactones from the Sponge-Derived Fungus Talaromyces rugulosus
Marine Drugs, 2017 The marine-derived fungus Talaromyces rugulosus isolated from the Mediterranean sponge Axinella cannabina and cultured on solid rice medium yielded seventeen lactone derivatives including five butenolides (1–5), seven (3S)-resorcylide derivatives (6–12),
Lisa Küppers +12 more
doaj +1 more source
Sensory-Directed Identification of Creaminess-Enhancing Semi-Volatile Lactones in Crumb Chocolate
Foods, 2021 In order to gain a more comprehensive knowledge of the chemical nature of creaminess-related flavor compounds in milk chocolates on a molecular level, crumb chocolate was analyzed by means of activity guided screening techniques.
Julia Samfaß +2 more
doaj +1 more source
Medicina, 2023 Background and Objectives: PON1 is a multi-functional antioxidant protein that hydrolyzes a variety of endogenous and exogenous substrates in the human system.
Sudhan M. +6 more
doaj +1 more source
Secondary metabolites with ecologic and medicinal implications in Anthemis cretica subsp. petraea from Majella National Park [PDF]
, 2016 Anthemis cretica subsp. petraea (Ten.) Greuter is a plant belonging to the Asteraceae family and endemic of central Italy. In this paper, the first analysisof the ethanolic fraction of samples collected in the Majella National Park is reported.
Alessandro Venditti +7 more
core +2 more sources
Reduction of ketopantoyl lactone to D-(-)-pantoyl lactone by microorganisms.
Agricultural and Biological Chemistry, 1984 The ability to reduce ketopantoyl lactone added to the culture medium to pantoyl lactone was surveyed in a variety of microorganisms. Many of the microorganisms including molds, yeasts, bacteria, actinomycetes and basidiomycetes exhibited this ability. The ratios of D-(—)- and L-(+)-isomers of the yielded pantoyl lactone, however, showed no relation to
Sakayu Shimizu +2 more
openaire +2 more sources
Development of covalent triazine frameworks as heterogeneous catalytic supports [PDF]
, 2019 Covalent triazine frameworks (CTFs) are established as an emerging class of porous organic polymers with remarkable features such as large surface area and permanent porosity, high thermal and chemical stability, and convenient functionalization that ...
Krishnaraj, Chidharth +3 more
core +1 more source