- Flexusines A and B and epimukulol from the soft coral Sarcophyton flexuosum
[作者:Bensemhoun, J; Rudi, A; Bombarda, I; Gaydou, EM; Kashman, Y; Aknin, M,期刊:Journal of natural products, 页码:1262-1264 , 文章类型: Article,,卷期:2008年71-7]
- Three new cembranes, flexusines A (1) and B (2) and an epimukulol (3), were isolated from the soft coral Sarcophyton flexuosum collected near Reunion Island, Indian Ocean. Their structures were elucidated using 1D and 2D...
- Maleimide and maleic anhydride derivatives from the mycelia of Antrodia cinnamomea and their nitric oxide inhibitory activities in macrophages
[作者:Wu, MD; Cheng, MJ; Wang, BC; Yech, YJ; Lai, JT; Kuo, YH; Yuan, GF; Chen, IS,期刊:Journal of natural products, 页码:1258-1261 , 文章类型: Article,,卷期:2008年71-7]
- On cultivation of the fungus Antrodia cinnamomea (BCRC 36799) on a medium, the mycelium was extracted and evaluated for nitric oxide (NO) inhibitory activity. Bioactivity-directed fractionation led to the isolation of tw...
- Microbial transformation of cinobufagin by Syncephalastrum racemosum
[作者:Ma, XC; Xin, XL; Liu, KX; Han, J; Guo, DA,期刊:Journal of natural products, 页码:1268-1270 , 文章类型: Article,,卷期:2008年71-7]
- Microbial transformation of a cytotoxic bufadienolide, cinobufagin (1), was performed by Syncephalastrum racemosum. The six metabolites obtained were identified as 7 beta-hydroxycinobufagin (2), 12 beta-hydroxycinobufagi...
- Constituents of the Cuban endemic species Calophyllum pinetorum
[作者:Alarcon, AB; Cuesta-Rubio, O; Perez, JC; Piccinelli, AL; Rastrelli, L,期刊:Journal of natural products, 页码:1283-1286 , 文章类型: Article,,卷期:2008年71-7]
- A new prenylated xanthone, pinetoxanthone (1), and two new pyranochromanones, pinetoric acid I (2) and pinetoric acid II (3), together with 10 known compounds, namely, the triterpenes friedelin and canophyllol, the xanth...
- Alkaloids from the leaves of Uncaria rhynchophylla and their inhibitory activity on NO production in lipopolysaccharide-activated microglia
[作者:Yuan, D; Ma, B; Wu, CF; Yang, JY; Zhang, LJ; Liu, SK; Wu, LJ; Kano, Y,期刊:Journal of natural products, 页码:1271-1274 , 文章类型: Article,,卷期:2008年71-7]
- Two new isomeric alkaloids, 18,19-dehydrocorynoxinic acid B (1) and 18,19-dehydrocorynoxinic acid (2), were isolated from the CHCl3 extract of the leaves of Uncaria rhynchophylla, together with four known rhynchophylline...
- Isolation, structure elucidation, and synthesis of cytotoxic tryptanthrin analogues from Phaius mishmensis
[作者:Jao, CW; Lin, WC; Wu, YT; Wu, PL,期刊:Journal of natural products, 页码:1275-1279 , 文章类型: Article,,卷期:2008年71-7]
- Bioassay-guided chromatographic separation of the cytotoxic MeOH extract of Phaius mishmensis led to the isolation of two known and six new indoloquinazolinones, phaitanthrins A-E (1-5) and methylisatoid (6). The structu...
- Nonsymmetrical beta-carboline dimers from an ascidian, Didemnum sp.
[作者:Kearns, PS; Rideout, JA,期刊:Journal of natural products, 页码:1280-1282 , 文章类型: Article,,卷期:2008年71-7]
- In addition to the previously reported symmetrical beta-carboline dimer 1, an ascidian Didemnum sp. yielded trace amounts of beta-carboline and the nonsymmetrical beta-carboline dimers 2, 3, and 5. The structures of the ...
- Antibacterial activity of labdane diterpenoids from Stemodia foliosa
[作者:da Silva, LLD; Nascimento, MS; Cavalheiro, AJ; Silva, DHS; Castro-Gamboa, I; Furlan, M; Bolzani, VD,期刊:Journal of natural products, 页码:1291-1293 , 文章类型: Article,,卷期:2008年71-7]
- As part of a continuing interest in exploring the chemistry of Brazilian medicinal plants, three new labdane diterpenoids, 6 alpha-acetoxymanoyl oxide (1), 6 alpha-malonyloxymanoyl oxide (2), and 6 alpha-malonyloxy-n-but...
- Phytoecdysteroids from Ajuga macrosperma var. breviflora roots
[作者:Castro, A; Coll, J; Tandron, YA; Pant, AK; Mathela, CS,期刊:Journal of natural products, 页码:1294-1296 , 文章类型: Article,,卷期:2008年71-7]
- Three new phytoecdysteroids, ajugacetalsterones C (1) and D (3) and breviflorasterone (2), were isolated from the roots of Ajuga macrosperma var. breviflora along with five known compounds, namely, 20-hydroxyecdysone, cy...
- Dictazolines A and B, bisspiroimidazolidinones from the marine sponge Smenospongia cerebriformis
[作者:Dai, JQ; Jimenez, JI; Kelly, M; Barnes, S; Lorenzo, P; Williams, P,期刊:Journal of natural products, 页码:1287-1290 , 文章类型: Article,,卷期:2008年71-7]
- An extensive study of the secondary metabolites produced by the marine sponge Smenospongia crebriformis has led to the isolation of two new bisspiroimidazolidinone derivatives, dictazolines A (1) and B (2), along with th...
- Structural and conformational analysis of hydroxycyclochlorotine and cyclochlorotine, chlorinated cyclic peptides from Penicillium islandicum
[作者:Mizutani, K; Hirasawa, Y; Sugita-Konishi, Y; Mochizuki, N; Morita, H,期刊:Journal of natural products, 页码:1297-1300 , 文章类型: Article,,卷期:2008年71-7]
- A new chlorinated cyclic pentapeptide, hydroxycyclochlorotine (1), has been isolated from Penicillium islandicum, and the structure including absolute stereochemistry of 1 and conformational properties of 1 and cyclochlo...
- Usimines A-C, bioactive usnic acid derivatives from the Antarctic lichen Stereocaulon alpinum (vol 71, pg 710, 2008)
[作者:Seo, C; Sohn, JH; Park, SM; Yim, JH; Lee, HK; Oh, H,期刊:Journal of natural products, 页码:1322-1322 , 文章类型: Correction,,卷期:2008年71-7]
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- Halichonadin F and the Cu(I) complex of halichonadin C from the sponge Halichondria sp.
[作者:Ishiyama, H; Kozawa, S; Aoyama, K; Mikami, Y; Fromont, J; Kobayashi, J,期刊:Journal of natural products, 页码:1301-1303 , 文章类型: Article,,卷期:2008年71-7]
- A new sesquiterpenoid with an aromadendrane skeleton, halichonadin F (1), and the Cu(I) complex of haliconadin C (2) were isolated from a marine sponge Halichondria sp., and the structures and relative stereochemistries ...
- Isolation, structure, and antibacterial activity of phaeosphenone from a Phaeosphaeria sp discovered by antisense strategy
[作者:Zhang, CW; Ondeyka, JG; Zink, DL; Basilio, A; Vicente, F; Collado, J; Platas, G; Bills, G; Huber, J; Dorso, K; Motyl, M; Byrne, K; Singh, SB,期刊:Journal of natural products, 页码:1304-1307 , 文章类型: Article,,卷期:2008年71-7]
- Ribosomal protein S4 (RPSD), a part of the ribosomal small subunit, is one of the proteins that is a part of the ribosomal machinery and is a potential new target for the discovery of antibacterial agents. Continued scre...
- C-geranylated chalcones from the stems of Angelica keiskei with superoxide-scavenging activity
[作者:Aoki, N; Muko, M; Ohta, E; Ohta, S,期刊:Journal of natural products, 页码:1308-1310 , 文章类型: Article,,卷期:2008年71-7]
- An ethyl acetate-soluble fraction of a methanol extract from the stems of Angelica keiskei was subjected to chromatographic separation to give three new chalcones, designated as xanthokeismins A-C (1-3), in addition to a...
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