Magnetic core–shell titanium dioxide nanoparticles as an efficient catalyst for domino Knoevenagel–Michael-cyclocondensation reaction of malononitrile, various aldehydes and dimedone
Keyword(s):
One Pot
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Fe3O4@SiO2@TiO2 efficiently catalysed the preparation of tetrahydrobenzo[b]pyrans by a one-pot three component reaction of aldehydes, dimedone and malononitrile at 100 °C under solvent-free conditions.