Vinylation of Carbonyl Oxygen in 4-Hydroxycoumarin: Synthesis of Heteroarylated Vinyl Ethers
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DOI: 10.1055/s-0037-1610696
Abstract: The unique nucleophilic character of the carbonyl oxygen of 4-hydroxy coumarin has been observed by the BF3·OEt2 catalyzed reaction of 4-hydroxycoumarin and alkynes. The reactions of 4-hydroxycoumarin and substituted 4-hydroxycoumarin with various terminal alkynes have… read more here.
Keywords: synthesis heteroarylated; carbonyl oxygen; synthesis; heteroarylated vinyl ... See more keywords
Magnetic Surface Molecularly Imprinted Polymer for Selective Adsorption of 4-Hydroxycoumarin
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DOI: 10.3389/fchem.2022.862777
Abstract: 4-hydroxyl coumarin (HC), an important intermediate during the synthesis procedure of rodenticide and anti-cardiovascular drug, shows highly medicinal value and economic value. To achieve the efficient adsorption of HC from natural biological samples, a novel… read more here.
Keywords: surface molecularly; adsorption; molecularly imprinted; magnetic surface ... See more keywords
The First Step of Biodegradation of 7-Hydroxycoumarin in Pseudomonas mandelii 7HK4 Depends on an Alcohol Dehydrogenase-Type Enzyme
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DOI: 10.3390/ijms22041552
Abstract: Coumarins are well known secondary metabolites widely found in various plants. However, the degradation of these compounds in the environment has not been studied in detail, and, especially, the initial stages of the catabolic pathways… read more here.
Keywords: mandelii 7hk4; hydroxycoumarin; pseudomonas mandelii; step biodegradation ... See more keywords