Alkylated benzoquinones from Iris kumaonensis |
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| Authors: | Mahmood Umar Kaul Vijay K Jirovetz Leopold |
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| Affiliation: | Department of Natural Plant Products, Institute of Himalayan Bioresource Technology, Box No 6, - 176 061 (HP), Palampur, India. |
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| Abstract: | Six novel alkylated p-Benzoquinones irisoquin (A-F) (1-2, 4-7) together with a known cytotoxic quinone, irisoquin (3) along with three known isoflavones, tectoregenin, iristectorin and irigenin were isolated from the rhizomes of Iris kumaonensis and characterized. The structures of compounds 1-2, 4-7 were confirmed by extensive spectroscopic analysis, IR, MS, HRMS, GC, GC-MS, 1D (1H, 13C, NOE) and 2D (HMQC and HMBC) NMR and comparison with literature data of known compounds. |
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| Keywords: | Iris kumaonensis Iridaceae Rhizomes Benzoquinones Irisoquin A-F Isoflavonoids |
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