After nitrogen, fluorine occupies the position of second favorite heteroelement in life science- oriented research. Over 10% of newly registered pharmaceutical drugs and some 40% of newly registered agrochemicals contain one or more fluorine atoms [1]. Fluorine containing benzimidazoles, which show promising biological activities, are well documented in the literature. Some of these are like Astemizole (antiallergic, anti-histaminic), Lansoprazole ( ...