Research Article

Synthesis and Spectral Characterisation of (E)-3-(3-(4 (Dimethylamino)Phenyl)Acrylo-yl)-4-Hydroxy-2H-Chromen-2-One and Their Antibacterial Activity and Acetylcholinesterase Inhibition

Figure 10

Changes in the keto/enol ratios of coumarin 3 as a function of solvent polarity for aprotic (a) and protic (b) solvents.
(a)
(b)