Multicomponent Reactions of Arylglyoxal, 4-Hydroxycoumarin, and Cyclic 1,3-C,N-Binucleophiles: Binucleophile Directed Synthesis of Fused Five and Six Membered N-Heterocycles
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DOI: 10.1002/ejoc.201700115
Abstract: The multicomponent reaction (MCR) of arylglyoxal, 4-hydroxycoumarin, and various cyclic 1,3-C,N-binucleophiles in acetic acid under microwave conditions provides fused five- or six- membered N-heterocycles depending on the ring size of the binucleophiles. 1,3-C,N-binucleophiles, such as… read more here.
Keywords: six membered; cyclic binucleophiles; membered heterocycles; fused five ... See more keywords
Metal and organo-complex promoted synthesis of fused five-membered O-heterocycles
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DOI: 10.1080/00397911.2019.1700522
Abstract: Abstract One of the highly emerging and an important aspect of organic chemistry is the metal and organo-complex promoted synthesis of the heterocycles. The methodologies used earlier for its synthesis were less approachable to the… read more here.
Keywords: metal organo; five membered; fused five; organo complex ... See more keywords
Synthetic Routes to Coumarin(Benzopyrone)-Fused Five-Membered Aromatic Heterocycles Built on the α-Pyrone Moiety. Part II: Five-Membered Aromatic Rings with Multi Heteroatoms
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DOI: 10.3390/molecules26113409
Abstract: Coumarins are natural heterocycles that widely contribute to the design of various biologically active compounds. Fusing different aromatic heterocycles with coumarin at its 3,4-position is one of the interesting approaches to generating novel molecules with… read more here.
Keywords: part; aromatic heterocycles; membered aromatic; synthetic routes ... See more keywords