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About author Denish kariya*, Kailash pancholi, Ranmal varu E-mail: kailash.pancholikotak@gmail.com Abstract Synthesis and organic movement of new derivatives of 4-hydroxy Coumarin (4a-g) was achieved 7,8-dimethyl 4 hydroxy coumarin, secondary amine, Solution of formaldehyde and s solution of HCl used with heating for 8-10 hours. Reaction mass was cooled to room temperature, poured on to crushed ice and neutralized. Obtained solid ... Read More »