نتایج جستجو برای: phloroglucinol
تعداد نتایج: 484 فیلتر نتایج به سال:
Two simple and sensitive methods A and B for the spectrophotometric determination of Alfuzosin hydrochloride have been described. These methods are based on the formation of purple color and redviolet colored chromogens obtained when the drug was diazotized with nitrous acid followed by coupling with Phloroglucinol and Resorcinol, exhibiting λmax at 520 and 600 nm respectively. These methods ob...
Two new phloroglucinols, lysidisides X and Y (1 and 2), and two known compounds, 2-(2-methylbutyryl)phloroglucinol 1-O-β-d-glucopyranoside (3) and (E)-resveratrol 3-(6″-galloyl)-O-β-d-glucopyranoside (4), have been isolated from the roots of Lysidice rhodostegia. The structures of 1 and 2 were elucidated primarily by NMR experiments. Their absolute configurations were deduced via circular dichr...
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