Synthesis of Benzothiophene-Fused Pyran Derivatives via Piperidine Promoted Domino Reaction
A new domino reaction between thioaurones and malononitrile has been reported. This reaction allows efficient access to benzothiophene-fused pyran derivatives in good yields under mild reaction conditions.
Shihang Li +3 more
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Two novel acrylate monomers, [5-(benzyloxy)-4-oxo-4H-pyran-2-yl]methyl acrylate and {1-[(5-(benzyloxy)-4-oxo-4H-pyran-2-yl)methyl]-1,2,3-triazol-4-yl}methyl acrylate were synthesized by the reaction of 5-benzyloxy-2-(hydroxymethyl)-4H-pyran-4-one and 5 ...
Mahnaz Saraei +3 more
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Red-Light Triggered Photouncaging from Dicyanomethylene-4H-pyran Phototrigger in Aqueous Solution: Applied as a Single Component Nano-Drug Delivery System for Cancer Therapy [PDF]
Biswajit Roy +6 more
openalex +1 more source
Synthesis and chemical properties of 3-acyl- and 3-carbethoxy-4-pyrones [PDF]
Реакция 1-арил-2-диметиламинометиленбутан-1,3-дионов с диэтиоксалатом в присутствии гидрида натрия в ТГФ приводит к образованию этил 5-ароил-4-оксо-4Н-пиран-2- карбоксилатам, из которых 4-оксо-6-арил-4Н-пиран-2-карбоновые кислота (6- арилкомановая ...
Obydennov, D. L. +1 more
core
Analisis Kualitatif dan Kuantitatif Minyak Atsiri Dari Bunga Kamboja Putih (Plumeria acuminata W.T.Ait.) dan Bunga Kamboja Merah (Plumeria rubra L.) [PDF]
Telah dilakukan penelitian untuk menganalisis secara kualitatif dan kuantitatif minyak atsiri bunga kamboja putih (Plumeria acuminata W.T.Ait.) dan bunga kamboja merah (Plumeria rubra L.).
Phang, Devi Vionita
core
6-Unsubstituierte 2H-Pyran-2-one Synthese und Reaktivität
Although the 2H-pyran-2-ones have been known for more than 100 years, their importance as versatile intermediates was not widely recognized before the sixties of this century.
Vratislav Kvita, Walter Fischer
doaj +2 more sources
Photolysis at long wavelengths of amino acid ester derivatives based on 4-methyl-6-methoxy-2-oxo-2H-naphtho[1,2-b]pyrans [PDF]
Ester derivatives of fused 4-methyl-6-methoxy-2-oxo-2H- naphtho[1,2-b]pyran, using valine and phenylalanine as model bifunctional molecules were synthesised, to assess its applicability as a photocleavable protecting group, for solution phase organic ...
Costa, Susana P. G. +4 more
core
Utility of 4-(4-acetoaminophenyl)-4-oxo-but-2-enoic acid to prepare Pyranand Pyridine derivatives as building blocks in Heterocyclic Synthesis [PDF]
The present work is devoted to study the interaction of β -aroylacrylic acid derivative (1) with malononitrile in the presence of piperidine and/or ammonium acetate, then using the formed compounds as a starting material for synthesizing fused and ...
Abd El-Gwad, I. +4 more
core
One-pot, three-component, selective synthesis of the polyfunctionalized 4 H -pyran and 4 H -benzo[ b ]pyran derivatives in the presence of a highly efficient molecular sieve-supported zinc catalyst [PDF]
Ágnes Magyar, Zoltán Hell
openalex +1 more source

