Abstract
An efficient and straightforward method for constructing of biologically active 4-aryl-NH-1,2,3-triazoles by the 1,3-dipolar cycloaddition reaction of β-nitrostyrene and sodium azide in the presence of acidic graphitic carbon nitride (Fe3O4@g-C3N4–SO3H) ionic nanocomposite has developed. Using a magnetically recoverable acidic ionic catalyst allows eco-friendly and facile conversion and simplifies experimental setup and work-up procedure that enables the direct synthesis of triazole derivatives under mild conditions. The designed catalytic system provides a broader scope under short reaction times in good to excellent yields. Fe3O4@g-C3N4–SO3H could be simply recovered by magnetic separation using an external magnet, maintaining stable activity up to five cycles without appreciable loss of activity.
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