4971-56-6, Name is Furan-2,4(3H,5H)-dione, belongs to Tetrahydrofurans compound, is a common compound. Recommanded Product: 4971-56-6In an article, once mentioned the new application about 4971-56-6.
One-Pot Three-Component Synthesis of Pyrido[2,3-c]carbazole Derivatives in EtOH under Catalyst-Free Conditions
A three-component reaction of aromatic aldehydes, 9-ethyl-9H-carbazol-3-amine, and cyclopentane-1,3-dione or tetronic acid was carried out in EtOH at refluxing and gave two series of 2,3,7,12-tetrahydrocyclopenta[5,6]pyrido[2,3-c]carbazol-1(4H)-one and 3,4,7,12-tetrahydro-1H-furo[3?,4?:5,6]pyrido[2,3-c]carbazol-1-one derivatives, respectively. This procedure approach to pyrido[2,3-c]carbazoles has the advantages of milder reaction conditions, one-pot, catalyst free, and high yields.
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Reference£º
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem