GLUCOSIDES AND UREA DERIVATIVES FROM THE SEEDS OF SCAPHIUM MACROPODUM (MIQ.) BEUMÉE
نویسندگان
چکیده
منابع مشابه
Yuzurimine from of Daphniphyllum macropodum Miq.
The title compound, C(27)H(37)NO(7), is a Daphniphyllum alkaloid isolated from a branch of Daphniphyllum macropodum Miq. All of the five-membered rings adopt envelope conformations while the six- and seven-membered ring adopt chair conformations. Classical inter-molecular O-H⋯O and weak C-H⋯N hydrogen bonds are present in the crystal structure.
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Three new chalcanol glucosides have been isolated from the seeds of Trifolium alexandrinum, of which the first two are alpha'-chalcanol-alpha, beta-epoxides and the third one is an alpha, beta-dihydroxy-alpha'-chalcanol. The structures of the isolated compounds were verified by means of MS and 2D NMR spectral analyses.
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پس ازفروپاشی شوروی،رشد منابع نفت و گاز، آسیای میانه و قفقاز را در یک بازی ژئوپلتیکی انرژی قرار داده است. با در نظر گرفتن این منابع هیدروکربنی، این منطقه به یک میدانجنگ و رقابت تجاری برای بازی های ژئوپلتیکی قدرت های بزرگ جهانی تبدیل شده است. روسیه منطقه را به عنوان حیات خلوت خود تلقی نموده و علاقمند به حفظ حضورش می باشد تا همانند گذشته گاز طبیعی را به وسیله خط لوله مرکزی دریافت و به عنوان یک واس...
15 صفحه اولNew Iridoid Glucosides from Caryopteris incana (Thunb.) Miq. and Their α-Glucosidase Inhibitory Activities.
In our continued investigations of the plant Caryopteris incana, five new iridoid glucosides 1-5, including two cis-trans-isomers, 3 and 4, along with six known compounds 6-11, were isolated from the n-butyl alcohol (n-BuOH) soluble fraction of whole dried material of Caryopteris incana. Their structures were established by a combination of spectroscopic techniques, including 1D and 2D NMR and ...
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ژورنال
عنوان ژورنال: Vietnam Journal of Science and Technology
سال: 2016
ISSN: 2525-2518,2525-2518
DOI: 10.15625/0866-708x/54/2/6597