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2017 5
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Page 1
Two new norneolignans from Callicarpa kwangtungensis.
Bi HY, Xu CL, Fu HZ, Zhou ZQ, Zhong RJ, Dai M, Wang D. Bi HY, et al. Nat Prod Res. 2020 Jan;34(2):197-203. doi: 10.1080/14786419.2018.1525374. Epub 2019 Mar 11. Nat Prod Res. 2020. PMID: 30856343
Two new norneolignans, (7S,8R)-3-methoxy-3',4,9-trihydroxy-4',7-epoxy-8,3'-neolignane-1'-carboxylic acid (1) and (7R,8R)-3-methoxyl-4,9-dihydroxy-3':7,4':8-diepoxyneolignan-1'-carboxylic acid methyl ester (2) were isolated from Callicarpa kwangtungensis, toge …
Two new norneolignans, (7S,8R)-3-methoxy-3',4,9-trihydroxy-4',7-epoxy-8,3'-neolignane-1'-carboxylic acid (1) and (7R,8R)-3-met …
Triterpene-farnesyl hydroquinone conjugates from Ganoderma calidophilum.
Zhang LJ, Xie Y, Wang YQ, Xu YY, Mei RQ. Zhang LJ, et al. Nat Prod Res. 2021 Jul;35(13):2199-2204. doi: 10.1080/14786419.2019.1667346. Epub 2019 Sep 23. Nat Prod Res. 2021. PMID: 31542946
The structures of compounds 1 and 2 were determined by extensive spectroscopic data including HRESIMS, 1D and 2D NMR. Ganocalidoins A and B showed anti-oxidant capacity with IC(50) values of 38.7 2.8 and 34.2 1.8 muM, respectively. The compounds did not show tyr …
The structures of compounds 1 and 2 were determined by extensive spectroscopic data including HRESIMS, 1D and 2D NMR. Ganocalidoins A …
Alkaloids from flowers of Erythrina corallodendron.
Zhao HE, Wu J, Xu FQ, Bao MF, Jin CS, Cai XH. Zhao HE, et al. Nat Prod Res. 2019 May;33(9):1298-1303. doi: 10.1080/14786419.2018.1472596. Epub 2018 Jun 6. Nat Prod Res. 2019. PMID: 29873265
Two new Erythrina alkaloids, 10-oxo-erythrinine (1) erythrinine N-oxide (2) together with 23 known ones were obtained from the flowers of Erythrina corallodendron. ...
Two new Erythrina alkaloids, 10-oxo-erythrinine (1) erythrinine N-oxide (2) together with 23 known ones were obtained from the flower …
Diterpenoid and triterpenoid glycosides from Clinopodium chinense.
Qu LX, Liu YQ, Wang Y, Wang H, Huang XL, Zhang ML, Mou YX, Xu TH, Zhu YD. Qu LX, et al. Nat Prod Res. 2021 Jan;35(1):25-33. doi: 10.1080/14786419.2019.1611811. Epub 2019 May 28. Nat Prod Res. 2021. PMID: 31135216
Two new compounds, including a diterpenoid glycoside (1) and a triterpenoid glycoside (6), along with six known compounds were isolated from Clinopodium chinense. ...None of the compounds were cytotoxic (IC(50) > 100 muM), while compounds 1-3 and 5 showed the act …
Two new compounds, including a diterpenoid glycoside (1) and a triterpenoid glycoside (6), along with six known compounds were isolat …
Chemical constituents of Bletilla striata.
Xu DL, Pan YC, Li L, ShangGuan YN, Zhang SB, Liu GY, Cheng L, Xiao SJ. Xu DL, et al. J Asian Nat Prod Res. 2019 Dec;21(12):1184-1189. doi: 10.1080/10286020.2018.1516212. Epub 2019 Jan 6. J Asian Nat Prod Res. 2019. PMID: 30612468
A new triphenanthrene compound named 2,2',2'',7,7',7''-hexahydroxy-4,4',4''-trimethoxy-[9,9',9'',10,10',10'']-hexahydro-1,8,1',6''-triphenanthrene (1), together with eleven known compounds (2-12), were isolated from tubers of Bletilla striata. ...
A new triphenanthrene compound named 2,2',2'',7,7',7''-hexahydroxy-4,4',4''-trimethoxy-[9,9',9'',10,10',10'']-hexahydro-1,8,1' …
Quorum sensing inhibitors from marine bacteria Oceanobacillus sp. XC22919.
Chen X, Chen J, Yan Y, Chen S, Xu X, Zhang H, Wang H. Chen X, et al. Nat Prod Res. 2019 Jun;33(12):1819-1823. doi: 10.1080/14786419.2018.1437436. Epub 2018 Feb 12. Nat Prod Res. 2019. PMID: 29430942
Compounds 1-3 inhibited violacein production of C. violaceum 026 by 10.5-55.7, 11.2-55.7, and 27.2%-95.7%, respectively, and inhibited pyocyanin production of P. aeruginosa by 1.7-50.8, 39.1-90.7, and 57.2%-98.7%, respectively. The azocasein-degrading proteol …
Compounds 1-3 inhibited violacein production of C. violaceum 026 by 10.5-55.7, 11.2-55.7, and 27.2%-95.7%, respectively, and inhibite …
Two new steroidal saponins from Neolamarckia cadamba.
Xu XY, Yang XH, Song QS. Xu XY, et al. J Asian Nat Prod Res. 2020 Nov;22(11):1006-1010. doi: 10.1080/10286020.2019.1670646. Epub 2019 Sep 29. J Asian Nat Prod Res. 2020. PMID: 31565966
Two new steroidal saponins, beta-sitosterol-3-O-alpha-l-glucopyranoside (3) and beta-sitosterol-3-O-beta-d-glucopyranosyl-(1 6)-beta-d-glucopyranoside (4), were isolated and identified from the bark of Neolamarckia cadamba, along with 13 known compounds. ...
Two new steroidal saponins, beta-sitosterol-3-O-alpha-l-glucopyranoside (3) and beta-sitosterol-3-O-beta-d-glucopyranosyl-(1 6)-beta- …
Cytochalasins from endophytic Diaporthe sp. GDG-118.
Huang X, Zhou D, Liang Y, Liu X, Cao F, Qin Y, Mo T, Xu Z, Li J, Yang R. Huang X, et al. Nat Prod Res. 2021 Oct;35(20):3396-3403. doi: 10.1080/14786419.2019.1700504. Epub 2019 Dec 13. Nat Prod Res. 2021. PMID: 31833797
The extract was screened by antifungal and antibacterial assays leading to the discovery of two new 21-acetoxycytochalasins (1-2) and five known cytochalasins (3-7). These two new compounds were elucidated by spectroscopic analyses, and further their absolute configuration …
The extract was screened by antifungal and antibacterial assays leading to the discovery of two new 21-acetoxycytochalasins (1-2) and …
New cytotoxic biflavones from Selaginella doederleinii.
Liu LF, Sun HH, Tan JB, Huang Q, Cheng F, Xu KP, Zou ZX, Tan GS. Liu LF, et al. Nat Prod Res. 2021 Mar;35(6):930-936. doi: 10.1080/14786419.2019.1611813. Epub 2019 May 21. Nat Prod Res. 2021. PMID: 31109181
Three new biflavones, apigenin-(3',8")-chrysin (1), (2S)-2,3-Dihydroametoflavone 5,4'-dimethyl ether (2), and (2S)-5",7"-Dihydroxy-2"-phenoxychromonyl-(4'",3')-naringenin (3), together with seven known biflavones (4-10) were isolated from the 75% EtOH extract of Selaginell …
Three new biflavones, apigenin-(3',8")-chrysin (1), (2S)-2,3-Dihydroametoflavone 5,4'-dimethyl ether (2), and (2S)-5",7"-Dihydroxy-2" …
New cadinane sesquiterpenoids from Mikania micrantha.
Zhang Y, Zeng YM, Xu YK, Wu SQ, Li S, Tian HY, Yin S. Zhang Y, et al. Nat Prod Res. 2020 Oct;34(19):2729-2736. doi: 10.1080/14786419.2019.1586691. Epub 2019 Mar 19. Nat Prod Res. 2020. PMID: 30887848
Chemical investigation of the aerial parts of Mikania micrantha led to the isolation of eight sesquiterpenoids and ten diterpenoids, including five cadinane sesquiterpenoids (1-5), three bisabolene sesquiterpenoids (6 - 8), nine ent-kaurane diterpenoids (9-17), and an abie …
Chemical investigation of the aerial parts of Mikania micrantha led to the isolation of eight sesquiterpenoids and ten diterpenoids, includi …
91 results