As filtered by means of the pad of celite. The filtrate was concentrated
As filtered by way of the pad of celite. The filtrate was concentrated as well as the residue was purified by column chromatography (SiO2, hexanes thyl acetate = 65:35) to…
As filtered by way of the pad of celite. The filtrate was concentrated as well as the residue was purified by column chromatography (SiO2, hexanes thyl acetate = 65:35) to…