A novel series of various 4-(4-(1H-benzo[d]imidazol-2-yl)-4-oxo-2-phenylbutyl)-2H-chromen-2-one and its derivatives (9a-f) have been synthesised via a unique reaction in good to excellent yields from 1-(1H-benzo[d]imidazol-2-yl)-3-phenylprop-2-en-1-one (7) and 4-methyl-2H-chromen-2-ones (8a-f). The study of this synthetic method is extended in different solvents and various bases in order to estimate the better reaction condition in terms of yields of the products.
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