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Abstract The new 1,5-bis(1-benzofuran-2-yl)-1,5-dione derivatives were obtained by the reaction of 2-acetyl benzofuran derivatives (1a–b) and suitable aromatic aldehyde derivatives (2-pyridinecarboxaldehyde, 2-fluoro and 3-fluorobenzaldehyde) in the presence of sodium hydroxide… Click to show full abstract
Abstract The new 1,5-bis(1-benzofuran-2-yl)-1,5-dione derivatives were obtained by the reaction of 2-acetyl benzofuran derivatives (1a–b) and suitable aromatic aldehyde derivatives (2-pyridinecarboxaldehyde, 2-fluoro and 3-fluorobenzaldehyde) in the presence of sodium hydroxide as the base. Importantly, a new process was explored for the synthesis of new bis benzofuran dione derivatives. The structures of the compounds was identified with infrared (IR), 1H-NMR, 13C-NMR, HSQC and HMBC spectroscopic methods and elemental analysis. A representative X-ray crystallographic analysis of 3c was given, and its X-ray data were discussed in detail.
Journal Title: Journal of Molecular Structure
Year Published: 2017
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