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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50条记录   De Novo Synthesis of Benzosceptrin C and Nagelamide H from 7-N-15-Oroidin: Implications for Pyrrole-Aminoimidazole Alkaloid Biosynthesis [作者：Stout, EP; Morinaka, BI; Wang, YG; Romo, D; Molinski, TF,期刊：Journal of natural products, 页码：527-530 , 文章类型： Article，,卷期：2012年75-4] De novo synthesis of the natural products benzosceptrin C (7) and nagelamide H (8) was achieved using cell-free enzyme preparations from the marine sponges Agelas sceptrum and Stylissa caribica employing synthetic 7-N-15... Salidroside Protects Human Erythrocytes against Hydrogen Peroxide-Induced Apoptosis [作者：Qian, EW; Ge, DT; Kong, SK,期刊：Journal of natural products, 页码：531-537 , 文章类型： Article，,卷期：2012年75-4] Rhodiola rosea is a commonly used folk medicine for the treatment of high altitude sickness, mountain malhypoxia, and anoxia. Its active ingredient, salidroside [2-(4-hydroxyphenyl)ethyl beta-D-glucopyranoside (1)], has ... Cytotoxic and Anti-inflammatory Triterpenoids from Toona ciliata [作者：Zhang, F; Wang, JS; Gu, YC; Kong, LY,期刊：Journal of natural products, 页码：538-546 , 文章类型： Article，,卷期：2012年75-4] Toonaciliatavarins A-H (1-8), including three new protolimonoids (1-3), two new tirucallane-type triterpenoids (4 and 5), and three new tetranortriterpenoids (6-8), and 10 known compounds were iscilated from the stem bar... HPLC-ESIMSn Profiling, Isolation, Structural Elucidation, and Evaluation of the Antioxidant Potential of Phenolics from Paepalanthus geniculatus [作者：do Amaral, FP; Napolitano, A; Masullo, M; dos Santos, LC; Festa, M; Vilegas, W; Pizza, C; Piacente, S,期刊：Journal of natural products, 页码：547-556 , 文章类型： Article，,卷期：2012年75-4] The methanol extract of the flowers of Paepalanthus geniculatus Kunth. showed radical-scavenging activity in the TEAC assay. An analytical approach based on HPLC:ESIMSn was applied to obtain the metabolite profile of thi... Fluorescent Pigment and Phenol Glucosides from the Heartwood of Pterocarpus marsupium [作者：Achari, B; Dutta, PK; Roy, SK; Chakraborty, P; Sengupta, J; Bandyopadhyay, D; Maity, JK; Khan, IA; Ding, YQ; Ferreira, D,期刊：Journal of natural products, 页码：655-660 , 文章类型： Article，,卷期：2012年75-4] The fluorescence shown by extracts of the heartwood of Pterocarpus marsupium is attributed to salts of the new compound 1, whose structure was elaborated using detailed spectroscopic/spectrometric studies. The plant mate... Configurational Reassignment and Improved Preparation of the Competitive IL-6 Receptor Antagonist 20R,21R-Epoxyresibufogenin-3-formate [作者：Boos, TL; Cheng, KJ; Greiner, E; Deschamps, JR; Jacobson, AE; Rice, KC,期刊：Journal of natural products, 页码：661-668 , 文章类型： Article，,卷期：2012年75-4] 20R,21R-Epoxyresibufogenin-3-formate (1) and 20S,21S-epoxyresibufogenin-3-formate (2) were synthesized from commercial resibufogenin (3) using known procedures. The major product (1) was dextrorotatory, as was the major ... Synthesis and Anti-HIV Activity of Lupane and Olean-18-ene Derivatives. Absolute Configuration of 19,20-Epoxylupanes by VCD [作者：Gutierrez-Nicolas, F; Gordillo-Roman, B; Oberti, JC; Estevez-Braun, A; Ravelo, AG; Joseph-Nathan, P,期刊：Journal of natural products, 页码：669-676 , 文章类型： Article，,卷期：2012年75-4] Lupane triterpenoids 2 and 5-12 and oleanene derivatives 13 and 14 were prepared from lupeol (1), betulin (3), and germanicol (4). They were tested for anti-HIV activity, and some structure-activity relationships were ou... Carbazole Alkaloids from the Stems of Clausena lansium [作者：Liu, H; Li, CJ; Yang, JZ; Ning, N; Si, YK; Li, L; Chen, NH; Zhao, Q; Zhang, DM,期刊：Journal of natural products, 页码：677-682 , 文章类型： Article，,卷期：2012年75-4] Ten new carbazole alkaloids, claulansines A-J (1-10), and seven known analogues (11-17) were isolated from the stems of Clausena lansium. Their structures were established on the basis of extensive spectroscopic analyses... Bioactive Quassinoids from the Seeds of Brucea javanica [作者：Liu, JH; Zhao, N; Zhang, GJ; Yu, SS; Wu, LJ; Qu, J; Ma, SG; Chen, XG; Zhang, TQ; Bai, J; Chen, H; Fang, ZF; Zhao, F; Tang, WB,期刊：Journal of natural products, 页码：683-688 , 文章类型： Article，,卷期：2012年75-4] Six new quassinoids (1-6) and eight known compounds of this type (7-14) were isolated from the seeds of Brucea javanica. Their structures were elucidated by analysis of their spectroscopic data and from chemical evidence... Bioactive Diterpenes from Callicarpa longissima [作者：Liu, YW; Cheng, YB; Liaw, CC; Chen, CH; Guh, JH; Hwang, TL; Tsai, JS; Wang, WB; Shen, YC,期刊：Journal of natural products, 页码：689-693 , 文章类型： Article，,卷期：2012年75-4] Investigation of the leaves and twigs of Callicarpa longissima resulted in the isolation of four new compounds (14), callilongisins A-D, and five known compounds, ursolic acid, 3-oxoanticopalic acid, (E)-6 beta-hydroxyla... Guaiane Sesquiterpenes from Biscogniauxia nummularia Featuring Potent Antigerminative Activity [作者：Amand, S; Langenfeld, A; Blond, A; Dupont, J; Nay, B; Prado, S,期刊：Journal of natural products, 页码：798-801 , 文章类型： Article，,卷期：2012年75-4] Xylaranone, a previously unreported guaiane sesquiterpene along with the known terpenoid xylaranol B and the two mellein derivatives 3,5-dimethyl-8-methoxy-3,4-dihydroisocoumarin and 3,5-dimethyl-8-hydroxy-3,4-dihydroiso... Universal Quantification of Structurally Diverse Natural Products Using an Evaporative Light Scattering Detector [作者：Adnani, N; Michel, CR; Bugni, TS,期刊：Journal of natural products, 页码：802-806 , 文章类型： Article，,卷期：2012年75-4] A lack of good methods for absolute quantification of natural products has limited the accuracy of high-throughput screening Many currently used methods for quantification are either too slow or not amenable to the struc... Stigonemapeptin, an Ahp-Containing Depsipeptide with Elastase Inhibitory Activity from the Bloom-Forming Freshwater Cyanobacterium Stigonema sp. [作者：Kang, HS; Krunic, A; Orjala, J,期刊：Journal of natural products, 页码：807-811 , 文章类型： Article，,卷期：2012年75-4] Stigonemapeptin (1), a depsipeptide containing an Ahp (3-amino-6-hydroxy-2-piperidone) residue, was isolated from a bloom sample of the freshwater cyanobacterium Stigonema sp. collected from North Nokomis Lake in the Hig... Fungal Origins of the Bicyclo[2.2.2]diazaoctane Ring System of Prenylated Indole Alkaloids [作者：Finefield, JM; Frisvad, JC; Sherman, DH; Williams, RM,期刊：Journal of natural products, 页码：812-833 , 文章类型： Review，,卷期：2012年75-4] Over eight different families of natural products consisting of nearly 70 secondary metabolites that contain the bicyclo[2.2.2]diazaoctane ring system have been isolated from various Aspergillus, Penicillium, and Malbran... Quantitative H-1 NMR. Development and Potential of an Analytical Method: An Update [作者：Pauli, GF; Godecke, T; Jaki, BU; Lankin, DC,期刊：Journal of natural products, 页码：834-851 , 文章类型： Review，,卷期：2012年75-4] Covering the literature from mid-2004 until the end of 2011, this review continues a previous literature overview on quantitative H-1 NMR (qHNMR) methodology and its applications in the analysis of natural products. Amon... 3 alpha-Hydroxymasticadienonic Acid As an Antiproliferative Agent That Impairs Mitochondrial Functions [作者：Via, LD; Braga, A; Garcia-Argaez, AN; Martinez-Vazquez, M; Toninello, A,期刊：Journal of natural products, 页码：557-562 , 文章类型： Article，,卷期：2012年75-4] Previous investigations on the biological effects of 3 alpha-hydroxymasticadienonic acid (1) have demonstrated both anti-inflammatory and cytotoxic activities. However, neither the molecular mechanism of cytotoxic action...