Recent Advances in the Synthesis of 2-Pyrones [PDF]
Marine Drugs, 2015 The present review summarizes the recent progresses in the synthesis of 2-pyrones and the application to the synthesis of marine natural products. Especially, much attention was placed on the transition metal catalyzed synthetic methodologies in this ...
Jong Seok Lee
doaj +5 more sources
4-Hydroxy-6-alkyl-2-pyrones as nucleophilic coupling partners in Mitsunobu reactions and oxa-Michael additions [PDF]
Beilstein Journal of Organic Chemistry, 2014 Two mild and efficient strategies have been developed for the O-functionalisation of 4-hydroxy-6-alkyl-2-pyrones, by using them as nucleophilic partners in oxa-Michael additions and the Mitsunobu reaction.
Michael J. Burns +3 more
doaj +2 more sources
Eight new α-pyrone and γ-butenolide derivatives from the plant endophytic fungus Diaporthe sp. CCY4 [PDF]
Natural Products and BioprospectingFive new α-pyrones, diaporpyrones G-K (1–5) and three new γ-butenolide derivatives, porbutenolides A-C (6–8), along with seven known compounds (9–15), were isolated from the culture extract of the endophytic fungus Diaporthe sp. CCY4.
Jie-Chun Zeng +4 more
doaj +2 more sources
One-Pot Assembly of 2‑Pyrones through Copper-Catalyzed Cyclization of Propargylamines with Malonates [PDF]
Precision ChemistryJunwei Li +4 more
doaj +2 more sources
Base Mediated Tandem Vinylogous Addition and Cyclization of γ‑Phosphonyl/Sulfonyl Crotonates and Ynones: Synthesis of Functionalized 2‑Pyrones [PDF]
ACS Omega, 2019 Matam Parameshwar +3 more
doaj +2 more sources
4-Hydroxy-2-pyrones: Synthesis, Natural Products, and Application
Organics, 2023 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
Molecules, 2021 A convenient and general method for the direct synthesis of 2-aryl-6-(trifluoromethyl)-4-pyrones and 2-aryl-5-bromo-6-(trifluoromethyl)-4-pyrones has been developed on the basis of one-pot oxidative cyclization of (E)-6-aryl-1,1,1-trifluorohex-5-ene-2,4 ...
Sergey A. Usachev +5 more
doaj +1 more source
Molecules, 2022 A straightforward approach for the construction of the new class of conjugated pyrans based on enamination of 2-methyl-4-pyrones with DMF-DMA was developed.
Dmitrii L. Obydennov +8 more
doaj +1 more source
A facile synthesis in aqueous medium of 3-hydroxy-2-pyrone from aldaric acids or their derivatives
Results in Chemistry, 2022 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 +1 more source
The chemistry of Brazilian Lauraceae XLVI. Notes on Aniba species [PDF]
Acta Amazonica, 1977 Aniba affinis, A. cylindriflora and A. mas (Lauraceae) were found to contain respectively benzofuranoid (and a previously unknown bicyclo [3, 2, 1] octanoid) neolignans, 6-styryl-2-pyrones and 6-styryl-4-methoxy-2-pyrones.
Aura M. P. de Diaz +5 more
doaj +1 more source