Results 1 to 10 of about 9,191 (227)
A facile synthesis in aqueous medium of 3-hydroxy-2-pyrone from aldaric acids or their derivatives
3-Hydroxy-2-pyrone is a valuable building block of many molecules. The syntheses until now proposed to prepare this compound are not ecofriendly and are unsuitable for large scale productions.
Gabriella Leonardi +3 more
doaj +2 more sources
Synthesis of dialkylaminocarbonyl N-chloro- carbonyl-N-phenyl-4-aminobenzo-(-pyrone derivatives [PDF]
The title compounds were prepared by condensation of N-chlorocarbonyl-N-phenyl-4-aminobenzo-(-pyrone with diethylamine dibutylamine and isopropylamine.
Đuđić Radana M. +1 more
doaj +2 more sources
Production of triacetic acid lactone from oleic acid by engineering the yeast Candida viswanathii [PDF]
Triacetic acid lactone (TAL) is a promising platform chemical to produce valuable compounds. The development of engineered microbial hosts to efficiently produce TAL from lipid-containing waste streams could be a cost-effective, sustainable and ...
Saptarshi Ghosh +8 more
doaj +2 more sources
Phloroglucinol α-Pyrones from Helichrysum: A Review on Structural Diversity, Plant Distribution and Isolation [PDF]
Helichrysum species (Asteraceae) are renowned for their diverse phytochemical profiles and traditional medicinal applications. Among their specialized metabolites, phloroglucinol-α-pyrone derivatives represent a structurally unique and pharmacologically ...
Yulian Voynikov
doaj +2 more sources
Pyrones to Pyrans: Enantioselective Radical Additions to Acyloxy Pyrones. [PDF]
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Mukund P, Sibi, Jake, Zimmerman
openaire +3 more sources
Two new -Methoxy--Pyrones From the Mangrove Sediment-Derived SCSIO NS126
Two new α -methoxy- γ -pyrone analogs, 2-methoxy-3-methyl-5,6-diethyl- γ -pyrone ( 2 ) and 2-methoxy-3,5-dimethyl-6-propyl- γ -pyrone ( 3 ), together with 2-methoxy-3,5-dimethyl-6-ethyl- γ -pyrone ( 1 ), firstly isolated from natural sources, were ...
Kunlong Li +6 more
doaj +1 more source
4-Hydroxy-2-pyrones: Synthesis, Natural Products, and Application
4-Hydroxy-2-pyrones are of interest as potential biorenewable molecules for a sustainable transition from biomass feedstock to valuable chemical products.
Vladislav V. Fedin +3 more
doaj +1 more source
Urinary tract infection (UTI) is one of the most common bacterial infections in the world, which is associated with high morbidity and mortality rates.
Ahmed M. E. Kotb +5 more
doaj +1 more source
ANTIMICROBIAL ACTIVITY OF POLYKETIDE-DERIVED SECONDARY METABOLITES FROM DOTHIDEOMYCETES SP. [PDF]
Discovering alternative compounds for treating antibiotic-resistant infections is critical to alleviate the current antibiotic resistance crisis. Endophytic fungi are a source of numerous recently approved antibiotics particularly polyketide-derived ...
lourin Malak +6 more
doaj +1 more source
Four 4-hydroxy-α-pyrones including three new ones named nipyrones A−C (1−3) together with one known analogue germicidin C (4) were discovered from a marine sponge-derived fungus Aspergillus niger cultivated in a solid rice culture. Their
Lijian Ding +6 more
doaj +1 more source

