Palladium-Catalyzed Three-Component Cascade Reaction of Nitriles: Synthesis of 2-Arylquinoline-4-carboxylates
A new method for converting easy availability starting materials 2-(2-oxoindolin-3-yl)acetonitrile, arylboronic acids, and alcohols into 2-arylquinoline-4-carboxylates is reported. The procedure involves a three-component addition/ring expansion/esterification reaction in the presence of Pd(II) catalyst with high functional group tolerance under mild conditions. In addition, the photophysical properties of the resulting product were investigated and exhibited excellent polarity-sensitive fluorescence properties and AIE property.
Hypoboric acid derivative based on 2-(4-dyhydroxy borane)pheoylquinoline-4-carboxylic acid and preparation method and application thereof
The invention discloses a hypoboric acid derivative based on 2-(4-dyhydroxy borane)pheoylquinoline-4-carboxylic acid and a preparation method thereof. The hypoboric acid derivative is used for preparing catecholamine and carbohydrate fluorescent probes. T
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(2017/07/19)
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