Some Fatty Acids Having an O-Heterocycle in their Terminal Positions. IV.(2-Methyl-2H-chromen-2-yl)acetic Acids
(2-Methyl-2H-chromen-2-yl)acetic acid 2a was prepared by condensations of salicylaldehyde with diethyl isopropylidenemalonate followed by hydrolyses.Similarly three methoxy derivatives 2c, 2d, and 2e were also prepared from the corresponding salicylaldehy