Zobrazeno 1 - 10
of 1 551
pro vyhledávání: '"Structural determination"'
Autor:
Lujuan Chen, Chao Lv, Yinping Meng, Zhen Yang, Wenbin Xin, Yuxue Zhu, Xuehan Wang, Baozhen Wang, Xuan Ding, Zhaoxia Wang, Xuyue Wei, Xinyue Zhang, Xuexue Fu, Xiangru Meng, Meimei Zhang, Manyu Huo, Ying Li, Hui Yu, Yuxia Wei, Longlong Geng
Publikováno v:
Molecules, Vol 29, Iss 23, p 5498 (2024)
Daphniphyllum alkaloids (DAs) are interesting molecules with rich molecular skeletons and diverse biological activities. Since their discovery, phytochemists have isolated, purified, and identified more than 350 DAs. Synthetic chemists, attracted by
Externí odkaz:
https://doaj.org/article/5738b7a9809c4317a1f29e38e4b91940
Akademický článek
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Publikováno v:
Natural Products and Bioprospecting, Vol 12, Iss 1, Pp 1-10 (2022)
Abstract Chemical investigation on the medicinal fungus Ganoderma australe led to the identification of ten new nor-lanostane triterpenes, namely two hexa-nor ones, ganoaustratetraenones A (1) and B (2), five penta-nor ones, ganoaustraldehydes A–E
Externí odkaz:
https://doaj.org/article/fb13d17f32d947af8dafb79d592e1ee4
Autor:
Vy Ha Nguyen Tran, Maria Dalgaard Mikkelsen, Hai Bang Truong, Hieu Nhu Mai Vo, Thinh Duc Pham, Hang Thi Thuy Cao, Thuan Thi Nguyen, Anne S. Meyer, Thuy Thu Thi Thanh, Tran Thi Thanh Van
Publikováno v:
Marine Drugs, Vol 21, Iss 11, p 556 (2023)
Ulvan, a sulfated heteropolysaccharide with structural and functional properties of interest for various uses, was extracted from the green seaweed Ulva papenfussii. U. papenfussii is an unexplored Ulva species found in the South China Sea along the
Externí odkaz:
https://doaj.org/article/5756c2edc56c4d2d8af155563786aba9
Autor:
Takatoshi Wakabayashi, Daisuke Moriyama, Ayumi Miyamoto, Hironori Okamura, Nanami Shiotani, Nobuhiro Shimizu, Masaharu Mizutani, Hirosato Takikawa, Yukihiro Sugimoto
Publikováno v:
Frontiers in Plant Science, Vol 14 (2023)
Externí odkaz:
https://doaj.org/article/d484d1cd3e9540aaac360434d2d2c8ac
Autor:
Takatoshi Wakabayashi, Daisuke Moriyama, Ayumi Miyamoto, Hironori Okamura, Nanami Shiotani, Nobuhiro Shimizu, Masaharu Mizutani, Hirosato Takikawa, Yukihiro Sugimoto
Publikováno v:
Frontiers in Plant Science, Vol 13 (2022)
Canonical strigolactones (SLs), such as orobanchol, consist of a tricyclic lactone ring (ABC-ring) connected to a methylbutenolide (D-ring). Tomato plants have been reported to produce not only orobanchol but also various canonical SLs related to the
Externí odkaz:
https://doaj.org/article/0e036c7486774b4caf63f2f0deee40a3
Publikováno v:
Crystals, Vol 13, Iss 6, p 901 (2023)
Heterotopic ligands containing chemically different binding centers are appealing candidates for obtaining heteronuclear metal complexes. By exploiting this strategy, it is possible to introduce different paramagnetic centers characterized by specifi
Externí odkaz:
https://doaj.org/article/0ab56e6a3f6c466d86017fe274e72ee5
Publikováno v:
Molecules, Vol 28, Iss 10, p 4025 (2023)
Luminescent N-heterocyclic carbene chloride copper (I) complexes incorporating pyrene chromophore (1-Pyrenyl-NHC-R)-Cu-Cl, (3, 4) have been prepared and fully characterized. Two complexes were prepared with R = methyl (3) and R = naphthyl groups (4)
Externí odkaz:
https://doaj.org/article/33844a86197e481dac1fc81ec00c1a6d
Autor:
Jeongwon Seo, Yern-Hyerk Shin, Se Jin Jo, Young Eun Du, Soohyun Um, Young Ran Kim, Kyuho Moon
Publikováno v:
Frontiers in Microbiology, Vol 13 (2022)
Cystargamides C and D (2 and 3) were isolated from a marine actinomycete strain collected at Beolgyo, South Korea. The planar structures of the cystargamides were elucidated by 1/2D NMR, UV, and MS spectroscopic analyses. The absolute configurations
Externí odkaz:
https://doaj.org/article/fd8c7145bce8475fbadbfc1a0879c0c3
Autor:
Zhi-Bo Jiang, Xing Lu, Jing-Zhi Chen, Xiao-Li Ma, Yi-Hu Ke, Xin Guo, Hai Liu, Chong-Long Li, Fang Wang, Xiu-Li Wu, Dai-Zhou Zhang, Shuang Cao
Publikováno v:
Arabian Journal of Chemistry, Vol 13, Iss 12, Pp 8815-8823 (2020)
Mining structural novel and bioactive natural products from traditional Chinese drugs and folk medicines have attracted attention from pharmacologists and pharmaceutical chemists for a long time. In this study, the chemical constituents of Asplenium
Externí odkaz:
https://doaj.org/article/e8eb3045244540c498cffc02ef0665c2