
Organobase catalyzed 1,4-conjugate addition of 4-hydroxycoumarin on chalcones: Synthesis, NMR and single-crystal X-ray diffraction studies of novel warfarin analogues
Keywords: Warfarin analogues; Bicyclo[3.3.1]nonanes; 1,4-Conjugate addition; Organobase catalysis; NMR; X-ray diffraction