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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23条记录   Cyclic Depsipeptides, Grassypeptolides D and E and Ibu-epidemethoxylyngbyastatin 3, from a Red Sea Leptolyngbya Cyanobacterium [作者：Thornburg, CC; Thimmaiah, M; Shaala, LA; Hau, AM; Malmo, JM; Ishmael, JE; Youssef, DTA; McPhail, KL,期刊：Journal of natural products, 页码：1677-1685 , 文章类型： Article，,卷期：2011年74-8] Two new grassypeptolides and a lyngbyastatin analogue, together with the known dolastatin 12, have been isolated from field collections and laboratory cultures of the marine cyanobacterium Leptolyngbya sp. collected from... Grassypeptolides F and G, Cyanobacterial Peptides from Lyngbya majuscula [作者：Popplewell, WL; Ratnayake, R; Wilson, JA; Beutler, JA; Colburn, NH; Henrich, CJ; McMahon, JB; McKee, TC,期刊：Journal of natural products, 页码：1686-1691 , 文章类型： Article，,卷期：2011年74-8] Grassypeptolides F (1) and G (2), bis-thiazoline-containing cyclic depsipeptides with a rare beta-amino acid, extensive N-methylation, and a large number of D-amino acids, are reported from an extract of the Palauan cyan... Purification and Partial Elucidation of the Structure of an Antioxidant Carbohydrate Biopolymer from the Probiotic Bacterium Bacillus coagulans RK-02 [作者：Kodali, VP; Perali, RS; Sen, R,期刊：Journal of natural products, 页码：1692-1697 , 文章类型： Article，,卷期：2011年74-8] An exopolysaccharide (EPS) was isolated from Bacillus coagulans RK-02 and purified by size exclusion chromatography. The purified, homogeneous EPS had an average molecular weight of similar to 3 x 10(4) Da by comparison ... Using the pER8:GUS Reporter System to Screen for Phytoestrogens from Caesalpinia sappan [作者：Lai, WC; Wang, HC; Chen, GY; Yang, JC; Korinek, M; Hsieh, CJ; Nozaki, H; Hayashi, KI; Wu, CC; Wu, YC; Chang, FR,期刊：Journal of natural products, 页码：1698-1706 , 文章类型： Article，,卷期：2011年74-8] Arabidopsis thaliana pER8:GUS, a low-cost, highly efficient, and convenient transgenic plant system, was used to assay the estrogen-like activity of 30 traditional Chinese medicines. The MeOH extract of Caesalpinia sappa... Biotransformation of Bioactive Isocaryolanes by Botrytis cinerea [作者：Ascari, J; Boaventura, MAD; Takahashi, JA; Duran-Patron, R; Hernandez-Galan, R; Macias-Sanchez, AJ; Collado, IG,期刊：Journal of natural products, 页码：1707-1712 , 文章类型： Article，,卷期：2011年74-8] The metabolism of the fungistatic agent (8R,9R)-8-methoxyisocaryolan-9-ol (4) by the fungus Botrytis cinerea has been investigated. Biotransformation of compound 4 yielded compounds 5 and 6-9. No dihydrobotrydial is obse... Diversity of Polyphenol Action in Caenorhabditis elegans: Between Toxicity and Longevity [作者：Saul, N; Pietsch, K; Sturzenbaum, SR; Menze, R; Steinberg, CEW,期刊：Journal of natural products, 页码：1713-1720 , 文章类型： Article，,卷期：2011年74-8] The model organism Caenorhabditis elegans was utilized to determine, in vivo, the mode(s) of action of four plant polyphenols, namely, tannic acid (TA), gallic acid (GA), ellagic acid (EA), and catechin (CT). The determi... Spectroscopic Studies on Bioactive Polyacetylenes and Other Plant Components in Wild Carrot Root [作者：Roman, M; Dobrowolski, JC; Baranska, M; Baranski, R,期刊：Journal of natural products, 页码：1757-1763 , 文章类型： Article，,卷期：2011年74-8] Polyacetylenes and other common plant components, such as starch, pectin, cellulose, and lignin, were studied in roots of the wild carrot (Daucus carota) subspecies D. carota subsp. gummifer and D. carota subsp. maximus ... Identification and Characterization of GABA(A) Receptor Modulatory Diterpenes from Biota orientalis That Decrease Locomotor Activity in Mice [作者：Zaugg, J; Khom, S; Eigenmann, D; Baburin, I; Hamburger, M; Hering, S,期刊：Journal of natural products, 页码：1764-1772 , 文章类型： Article，,卷期：2011年74-8] An ethyl acetate extract of Biota orientalis leaves potentiated GABA-induced control current by 92.6% +/- 22.5% when tested at 100 mu g/mL in Xenopus laevis oocytes expressing GABA(A) receptors (alpha(1)beta(2)gamma(2S) ... Structures and Biosynthesis of the Pyridinopyrones, Polyenepyrones from a Marine-Derived Streptomyces Species [作者：Fukuda, T; Miller, ED; Clark, BR; Alnauman, A; Murphy, CD; Jensen, PR; Fenical, W,期刊：Journal of natural products, 页码：1773-1778 , 文章类型： Article，,卷期：2011年74-8] Three polyenylpyrone metabolites, pyridinopyrones A to C (1-3), have been isolated from the culture broth of a marine-derived Streptomyces sp., strain CNQ-301. The structures of the pyridinopyrones were assigned on the b... Lignan Derivatives from Krameria lappacea Roots Inhibit Acute Inflammation in Vivo and Pro-inflammatory Mediators in Vitro [作者：Baumgartner, L; Sosa, S; Atanasov, AG; Bodensieck, A; Fakhrudin, N; Bauer, J; Del Favero, G; Ponti, C; Heiss, EH; Schwaiger, S; Ladurner, A; Widowitz, U; Della Loggia, R; Rollinger, JM; Werz, O; Bauer, R; Dirsch, VM; Tubaro, A; Stuppner, H,期刊：Journal of natural products, 页码：1779-1786 , 文章类型： Article，,卷期：2011年74-8] The roots of Krameria lappacea are used traditionally against oropharyngeal inflammation. So far, the astringent and antimicrobial properties of its proanthocyanidin constituents are considered to account for the anti-in... Nigerapyrones A-H, alpha-Pyrone Derivatives from the Marine Mangrove-Derived Endophytic Fungus Aspergillus niger MA-132 [作者：Liu, D; Li, XM; Meng, L; Li, CS; Gao, SS; Shang, Z; Proksch, P; Huang, CG; Wang, BG,期刊：Journal of natural products, 页码：1787-1791 , 文章类型： Article，,卷期：2011年74-8] Eight new a-pyrone derivatives, namely, nigerapyrones A-E (1-5) and nigerapyrones F-H (8-10), along with two known congeners, asnipyrones B (6) and A (7), were isolated from Aspergillus niger MA-132, an endophytic fungus... Anti-inflammatory Amino Acid Derivatives from the Ascidian Herdmania momus [作者：Li, JL; Han, SC; Yoo, ES; Shin, S; Hong, J; Cui, Z; Li, H; Jung, JH,期刊：Journal of natural products, 页码：1792-1797 , 文章类型： Article，,卷期：2011年74-8] Four new amino acid derivatives, herdmanines A-D (1-4), were isolated from the marine ascidian Herdmania momus. Herdmanines A-C contain the unusual D-form of arginine. Compounds 3 and 4 had a moderate suppressive effect ... Isolation and Characterization of Aphidicolin and Chlamydosporol Derivatives from Tolypocladium inflatum [作者：Lin, J; Chen, XY; Cai, XY; Yu, XF; Liu, XZ; Cao, Y; Che, YS,期刊：Journal of natural products, 页码：1798-1804 , 文章类型： Article，,卷期：2011年74-8] Six new secondary metabolites including two aphidicolin analogues, inflatins A (1) and B (2), and four chlamydosporol derivatives, inflatins C-F (3-6), have been isolated from the crude extract of Tolypocladium inflatum.... Sesterterpenes from the Tropical Sponge Coscinoderma sp. [作者：Bae, J; Jeon, JE; Lee, YJ; Lee, HS; Sim, CJ; Oh, KB; Shin, J,期刊：Journal of natural products, 页码：1805-1811 , 文章类型： Article，,卷期：2011年74-8] Eight new sesterterpenes (2, 5, and 10-15), including structurally related pentaprenyl hydroquinones (2 and 5), and seven known ones of the same structural classes were isolated from the sponge Coscinoderma sp., collecte... Viridaphin A(1) Glucoside, a Green Pigment Possessing Cytotoxic and Antibacterial Activity from the Aphid Megoura crassicauda [作者：Horikawa, M; Hoshiyama, T; Matsuzawa, M; Shugyo, T; Tanaka, M; Suzuki, S; Sato, M; Ito, T; Asakawa, Y; Kaku, H; Nishii, T; Inai, M; Takahashi, S; Tsunoda, T,期刊：Journal of natural products, 页码：1812-1816 , 文章类型： Article，,卷期：2011年74-8] A green pigment, viridaphin A(1) glucoside (1), was isolated from the green aphid Megoura crassicauda. One- and two-dimensional NMR spectrometric analyses of 1 and its aglycone established the structure as an octacyclic ... Synthesis and Biological Activity of Optically Active Phenylbutenoid Dimers [作者：Chu, J; Suh, DH; Lee, G; Han, AR; Chae, SW; Lee, HJ; Seo, EK; Lim, HJ,期刊：Journal of natural products, 页码：1817-1821 , 文章类型： Article，,卷期：2011年74-8] The total synthesis of optically active phenylbutenoid dimers 1, 3, and ent-3 is described. The key step to access optically active cyclohexene rings was achieved by Diels-Alder reaction of chiral acryloyloxazolinone 9 a...