نتایج جستجو برای: nigricin
تعداد نتایج: 4 فیلتر نتایج به سال:
Four isoflavone glycosides were isolated from the rhizomes of Iris germanica. Compounds 1 and 2 are new, while compounds 3 and 4 are known isoflavone glycosides. These compounds were identified as iriskashmirianin 4'-O-beta-D-glucoside (1), nigricin 4'-O-beta-D-glucoside (2), irilone 4'-O-beta-D-glucoside (3) and iridin (4). Their structures were determined with the help of spectroscopic methods.
ethanolic crude extract of i. imbricata lindl. (iridaceae) was subjected to column chromatography on silica gel with varying portions of meoh: chcl3. nigicin (irisolone) was isolated and its identification carried out by ir, uv, ms, 1-d and 2-d nmr spectroscopy.
Ethanolic crude extract of I. imbricata Lindl. (Iridaceae) was subjected to column chromatography on silica gel with varying portions of MeOH: CHCl3. Nigicin (irisolone) was isolated and its identification carried out by IR, UV, MS, 1-D and 2-D NMR spectroscopy.
Ethanolic crude extract of I. imbricata Lindl. (Iridaceae) was subjected to column chromatography on silica gel with varying portions of MeOH: CHCl3. Nigicin (irisolone) was isolated and its identification carried out by IR, UV, MS, 1-D and 2-D NMR spectroscopy.
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