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A simple, straightforward synthesis of thienothiophene fused pyrimidine derivatives has been developed by the heterocondensation of symmetric thieno[2,3-b]thiophene o-aminonitrile with carbonyl compounds under different catalytic conditions. Furthermore, a novel unsymmetric thiophthene skeleton compound was also obtained via the intramolecular cross-conversion of the Friedländer transformation and...
A series of multi donor–acceptor substituted pyridine derivative dyes were synthesed by three-component catalyst-free domino reaction in methanol aqueous at room temperature. The pyridine derivative dyes with thermally stable fluorescence exhibit aggregation-induced emission (AIE) in both aqueous solution and solid state due to the restricted intramolecular rotation as well. Furthermore, the family...
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