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文章名     作者     期刊名     摘要     卷     期         如果没有找到您所需要的文献，请点击 ——此处申请     共30条记录   Antiplasmodial triterpenoids from Ekebergia capensis [作者：Murata, T; Miyase, T; Muregi, FW; Naoshima-Ishibashi, Y; Umehara, K; Warashina, T; Kanou, S; Mkoji, GM; Terada, M; Ishih, A,期刊：Journal of natural products, 页码：167-174 , 文章类型： Article，,卷期：2008年71-2] From the stem bark of Ekebergia capensis, 10 new triterpenoid compounds, ekeberins A (1), B (2), C-1 (3), C-2 (4), C-3 (5), D-1 (6), D-2 (7), D-3 (8), D-4 (9), and D-5 (10), were isolated together with 17 known compounds... An endophytic fungus from Hypericum perforatum that produces hypericin [作者：Kusari, S; Lamshoft, M; Zuhlke, S; Spiteller, M,期刊：Journal of natural products, 页码：159-162 , 文章类型： Article，,卷期：2008年71-2] For the first time, an endophytic fungus has been isolated from the stems of the medicinal herb Hypericum perforatum (St. John's Wort). The fungus produced the napthodianthrone derivative hypericin (1) in rich mycologica... beta-carboline alkaloids from a Korean tunicate Eudistoma sp. [作者：Wang, WH; Nam, SJ; Lee, BC; Kang, H,期刊：Journal of natural products, 页码：163-166 , 文章类型： Article，,卷期：2008年71-2] Seven new ss-carboline-based metabolites, designated as eudistomins Y-1-Y-7 (1-7), were isolated from a tunicate of the genus Eudistoma collected near Tong-Yeong City, South Sea, Korea. These new metabolites differ from ... Practical synthesis of lespedezol A(1) [作者：Khupse, RS; Erhardt, PW,期刊：Journal of natural products, 页码：275-277 , 文章类型： Article，,卷期：2008年71-2] A practical formal synthesis of lespedezol A(1) (1) was accomplished in 33% yield for four steps starting from formation of the substituted chalcone. Of particular note is a useful protocol for reduction of the 2-ene bon... Isoprenoid glycosides from Litiosma ovata [作者：Picerno, P; Mencherini, T; Rastrelli, L; Piccinelli, A; Aquino, R,期刊：Journal of natural products, 页码：265-268 , 文章类型： Article，,卷期：2008年71-2] A methanol extract of the dried bark of Liriosma ovata afforded two new isoprenoid glycosides, a eudesmane sesquiterpene, 1 alpha(beta-D-glucopyranosyloxy)eudesma-3 alpha,4 beta, 11-triol (1), and a C-13-norisoprenoid, 3... Acanthosulfate, a sulfated hydroxyhydroquinone sesterterpenoid from the sponge Acanthodendrilla sp. [作者：West, LA; Faulkner, DJ,期刊：Journal of natural products, 页码：269-271 , 文章类型： Article，,卷期：2008年71-2] The marine sponge Acanthodendrilla sp. contains the proteasome inhibitor acanthosulfate (4), a disulfated merosester-terpene having a scalarane-type skeleton. The structure of acanthosulfate (4), which possesses an unusu... Aromatic polyketides from marine algicolous fungi [作者：Pontius, A; Mohamed, I; Krick, A; Kehraus, S; Konig, GM,期刊：Journal of natural products, 页码：272-274 , 文章类型： Article，,卷期：2008年71-2] The investigation of the marine-derived fungi Acremonium sp. and Nodulisporium sp. led to the isolation of the new natural products acremonisol A (1) and (3R)-7-hydroxy-5-methylmellein (2). Both fungi are endophytes of m... Aurovertins F-H from the entomopathogenic fungus Metarhizium anisopliae [作者：Azumi, M; Ishidoh, K; Kinoshita, H; Nihira, T; Ihara, F; Fujita, T; Igarashi, Y,期刊：Journal of natural products, 页码：278-280 , 文章类型： Article，,卷期：2008年71-2] Analysis of fermentation broth of the entomopathogenic fungus Metarhizium anisopliae has led to isolation of aurovertin D (1) and three new aurovertin-type metabolites, aurovertin F (2), aurovertin G (3), and aurovertin ... Secondary metabolites from three Florida sponges with antidepressant activity [作者：Kochanowska, AJ; Rao, KV; Childress, S; El-Alfy, A; Matsumoto, RR; Kelly, M; Stewart, GS; Sufka, KJ; Hamann, MT,期刊：Journal of natural products, 页码：186-189 , 文章类型： Article，,卷期：2008年71-2] Brominated indole alkaloids are a common class of metabolites reported from sponges of the order Verongida. Herein we report the isolation, structure determination, and activity of metabolites from three Florida sponges,... Interaction of quercetin and its conjugate quercetin 3-O-ss-D-glucopyranoside with albumin as determined by NMR relaxation data [作者：Martini, S; Bonechi, C; Rossi, C,期刊：Journal of natural products, 页码：175-178 , 文章类型： Article，,卷期：2008年71-2] NMR methodology has been developed in order to study phytochemical-macromolecular receptor interactions. This approach is based on the analysis of proton selective spin-lattice relaxation rate enhancements. of the ligand... Oxygenated cembranoids from a Formosan soft coral Sinulatia gibberosa [作者：Ahmed, AF; Wen, ZH; Su, JH; Hsieh, YT; Wu, YC; Hu, WP; Sheu, JH,期刊：Journal of natural products, 页码：179-185 , 文章类型： Article，,卷期：2008年71-2] Chemical investigation of a Formosan soft coral, Sinularia gibberosa, has led to the isolation of eight oxygenated cembranoids, 1-8, including seven new compounds, gibberosenes A-G (2-8). None of these compounds were fou... Micromelones A and B, noncontiguous polypropionates from Micromelo undata [作者：Napolitano, JG; Souto, ML; Fernandez, JJ; Norte, M,期刊：Journal of natural products, 页码：281-284 , 文章类型： Article，,卷期：2008年71-2] In this paper we report on the isolation and structural elucidation of two new noncontiguous polypropionates, micromelones A (10) and B (11), that have been isolated from the marine gastropod Micromelo undata. Their stru... Determination of the absolute configurations of natural products using TDDFT optical rotation calculations: The iridoid oruwacin [作者：Stephens, PJ; Pan, JJ; Devlin, FJ; Cheeseman, JR,期刊：Journal of natural products, 页码：285-288 , 文章类型： Article，,卷期：2008年71-2] We report the determination of the absolute configuration (AC) of the iridoid natural product oruwacin by comparison of the optical rotations, [alpha](D), of its two enantiomers, calculated using time-dependent density f... Vasorelaxing alkaloids and flavonoids from Cassytha filiformis [作者：Tsai, TH; Wang, GJ; Lin, LC,期刊：Journal of natural products, 页码：289-291 , 文章类型： Article，,卷期：2008年71-2] Two new aporphine alkaloids, isofiliformine (1) and cassythic acid (3), along with 22 known compounds were isolated from whole herb of Cassytha filiformis. Cassythic acid (3), cassythine (4), neolitsine (7), and dicentri...