Zobrazeno 1 - 10
of 96
pro vyhledávání: '"Junshan Yang"'
Autor:
Yong Hou, Linjun Zou, Qinglong Li, Meiying Chen, Haonan Ruan, Zhaocui Sun, Xudong Xu, Junshan Yang, Guoxu Ma
Publikováno v:
Materials Today Bio, Vol 15, Iss , Pp 100327- (2022)
Natural products have been used to prevent and treat human diseases for thousands of years, especially the extensive natural small molecules (NSMs) such as terpenoids, steroids and glycosides. A quantity of studies are confined to concern about their
Externí odkaz:
https://doaj.org/article/e1e3cf5eb200478bac16df4a2f9a6552
Autor:
Yong Hou, Meiying Chen, Zhaocui Sun, Guoxu Ma, Deli Chen, Haifeng Wu, Junshan Yang, Yihang Li, Xudong Xu
Publikováno v:
Molecules, Vol 27, Iss 20, p 6870 (2022)
Indole diterpenes are a large class of secondary metabolites produced by fungi, possessing a cyclic diterpenoid backbone and an indole moiety. Novel structures and important biological activity have made indole diterpenes one of the focuses of synthe
Externí odkaz:
https://doaj.org/article/27dea51859c74b1db96954ffeca29fc9
Autor:
Zhaocui Sun, Meiying Chen, Qinglong Li, Guoxu Ma, Haifeng Wu, Junshan Yang, Yihang Li, Xudong Xu
Publikováno v:
Molecules, Vol 27, Iss 14, p 4596 (2022)
From the dried vines of Aspidopterys obcordata Hemsl, five new polyoxypregnane glycosides, named obcordatas J–N (1–5), were obtained. Their structures were fully elucidated and characterized by HRESIMS and extensive spectroscopic data. In additio
Externí odkaz:
https://doaj.org/article/e7758cb7c4984d2981d07b46bacf4c6e
Autor:
Xiaolei Zhou, Junshan Yang, Xudong Xu, Haifeng Wu, Jingquan Yuan, Hua Wei, Yong Xie, Guoxu Ma
Publikováno v:
Molecules, Vol 18, Iss 9, Pp 10397-10403 (2013)
Twelve phenolics, including the three new compounds balanophonin C (1), balanophonin D (2), balanophonin E (3), were isolated from the seeds of Lithocarpus pachylepis. Their structures were elucidated by various spectroscopic techniques (UV, IR, MS,
Externí odkaz:
https://doaj.org/article/8d53d1aa77854e1bbe1a949415dab609
Publikováno v:
Molecules, Vol 17, Iss 11, Pp 13656-13661 (2012)
Phenolic acid derivatives are typical constituents of Clerodendranthus spicatus which were considered to the active principles of this medicinal plant. These chemical constituents with their interesting frameworks and biological significance attracte
Externí odkaz:
https://doaj.org/article/aed5fe2321e74f0ea6a115b772eeb467
Publikováno v:
Molecules, Vol 17, Iss 5, Pp 5212-5218 (2012)
From the whole plant of Sarcandra glabra, a new phenolic acid glycoside, benzyl 2-β-glucopyranosyloxybenzoate (1), together with seven known compounds including eleutheroside B1 (2), 5-O-caffeoylshikimic acid (3), (–)-(7S, 8R)-dihydrodehydro-dicon
Externí odkaz:
https://doaj.org/article/769c6a0b00d24f84ae7bf452d2960661
Publikováno v:
Molecules, Vol 17, Iss 2, Pp 1883-1889 (2012)
On our ongoing investigation, a new oleanolic triterpene, 3β,6β,19α-trihydroxy-12-oleanen-28-oic acid (1) was obtained from the chloroform-soluble portion of the 90% alcohol-water extract of the stem bark of Uncaria macrophylla. Its structure was
Externí odkaz:
https://doaj.org/article/fa0e43589df24472a65bc59dd717f3b2
Publikováno v:
Molecules, Vol 17, Iss 1, Pp 504-510 (2012)
Our ongoing investigations on the stem bark of Uncaria macrophylla afforded a new ursolic triterpene, 3β,6β,19α-trihydroxy-urs-12-en-28-oic acid-24-carboxylic acid methyl ester (1), named uncariursanic acid, and three known ursolic triterpenes inc
Externí odkaz:
https://doaj.org/article/9889f7bb9c994d7b8c45669cd3d26065
Publikováno v:
Molecules, Vol 23, Iss 10, p 2609 (2018)
In this study, an improved UPLC-MS (Ultra-high performance liquid chromatography-tandem mass spectrometry) method for simultaneously quantifying twelve major components belonging to two chemical types was developed and validated, and was applied to q
Externí odkaz:
https://doaj.org/article/7b4d6bf14920412190419351f323b9a4
Publikováno v:
Molecules, Vol 23, Iss 5, p 1198 (2018)
Seven pyrrole alkaloids, three of which are novel (phlebopines A–C (1–3)), were isolated from the fruiting bodies of the edible mushroom Phlebopus portentosus. Their structures were determined on the basis of spectroscopic data. All the isolated
Externí odkaz:
https://doaj.org/article/c1ed685385c54fed9c20118589a3278a