Event submissions
Abstract:
Cross-conjugated dienones exhibit important biologically activities. Furthermore, tropane derivatives constitute a very known class of bioactive alkaloids(atropine, cocaine...). The condensation of N-methyl-8-azabicyclo[3.2.1]-heptan-3-one (Tropinone) with aromatic aldehydes takes place in the presence of acidic (clay K10, silica) or basic catalysts (alumina, KF-alumina). The best yields of (2E,4E)-2,4-bis-arylmethylene-8-methyl-8-azabicyclo[3.2.1]heptan-3-ones were obtained with the K10 clay under microwave irradiation without solvent.