Bousmekines A-E, New Alkaloids from Two Bousigonia Species: B.angustifolia and B. mekongensis
Sign Up to like & getrecommendations! Published in 2020 at "Natural Products and Bioprospecting"
DOI: 10.1007/s13659-020-00278-6
Abstract: Abstract Four new monoterpenoid indole alkaloids, bousmekines A-D (1–4), and one new pyranopyridine alkaloid, bousmekine E (5), were isolated from the twigs and leaves of Bousigonia angustifolia and Bousigonia mekongensis. Their structures including absolute configurations… read more here.
Keywords: bousmekines new; two bousigonia; new alkaloids; mekongensis ... See more keywords
New alkaloids from the diversity-enhanced extracts of an endophytic fungus Aspergillus flavus GZWMJZ-288.
Sign Up to like & getrecommendations! Published in 2021 at "Bioorganic chemistry"
DOI: 10.1016/j.bioorg.2020.104623
Abstract: Three new alkaloids (1-3) together with four previously reported compounds (4-7) were identified from the extracts and the diversity-enhanced extracts of the fermentation broth of the endophytic fungus, Aspergillus flavus GZWMJZ-288 associated with Garcinia multiflora.… read more here.
Keywords: endophytic fungus; new alkaloids; enhanced extracts; fungus aspergillus ... See more keywords
Two new alkaloids from Portulaca oleracea L. and their bioactivities.
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DOI: 10.1016/j.fitote.2019.05.005
Abstract: Two new indole alkaloids, identified as (E)-1-(5,6-dihydroxy-1H-indol-1-yl)-3-(4-hydroxyphenyl)prop-2-en-1-one, named oleraindole A (1), and (E)-1-(5,6-dihydroxy-1H-indol-1-yl)-3-(4-hydroxy-3-methoxyphenyl)prop-2-en-1-one, named oleraindole B (2), together with five known indole alkaloids, (-)-neoechinulin A (3), neoechinulin D (4), isoechinulin A (5), MT-6 (6) and… read more here.
Keywords: two new; new alkaloids; oleracea bioactivities; portulaca oleracea ... See more keywords
Three new alkaloids and a new iridoid glycoside from the roots of Rehmannia glutinosa
Sign Up to like & getrecommendations! Published in 2017 at "Phytochemistry Letters"
DOI: 10.1016/j.phytol.2017.06.010
Abstract: Abstract Three new alkaloids, rehmanalkaloid A-C (1-3), and a new iridoid glycoside, rehmaglutoside L (4), together with nine known compounds, including (8S)-7,8-dihydrogeniposid (5), diglycoside (6), monomelittoside (7), mussaenoside (8), darendoside A (9), syringing (10), phenyl-6-O-β-… read more here.
Keywords: new alkaloids; roots rehmannia; three new; iridoid glycoside ... See more keywords
New alkaloids with unusual spermidine moieties from the seeds of Orychophragmus violaceus and their cytoprotective properties
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DOI: 10.1039/c7ra02951a
Abstract: The seeds of the plant Orychophragmus violaceus yielded eight new spermidine alkaloids, termed orychophragmuspine A–H (1–8). Their structures were elucidated by extensive spectroscopic analysis and comparison with literature data. Compounds 1–8 are unusual natural alkaloids… read more here.
Keywords: orychophragmus violaceus; alkaloids unusual; new alkaloids; unusual spermidine ... See more keywords
Two new alkaloids produced by Dothideomycetes sp. BMC-101 isolated from the Magnolia grandiflora.
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Asian natural products research"
DOI: 10.1080/10286020.2022.2151442
Abstract: ABSTACTA total of 16 fungal strains were isolated from fresh leaves and flowers of Magnolia grandiflora and the EtOAc extracts of them were assayed for antitumor activities. Among these, the fungus Dothideomycetes sp. BMC-101 with… read more here.
Keywords: magnolia grandiflora; dothideomycetes bmc; alkaloids produced; two new ... See more keywords
Spongimides A and B, two new alkaloids from the marine sponge Spongia sp.
Sign Up to like & getrecommendations! Published in 2023 at "Journal of Asian natural products research"
DOI: 10.1080/10286020.2023.2197227
Abstract: Two new alkaloids, spongimides A (1) and B (2), along with five known ones (3-7), were isolated from the marine sponge Spongia sp. The structures of 1 and 2 were determined by the spectroscopic methods… read more here.
Keywords: two new; sponge spongia; marine sponge; new alkaloids ... See more keywords
New alkaloids from Polygonatum zanlanscianense Pamp.
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DOI: 10.1080/14786419.2022.2163484
Abstract: Sixteen alkaloid compounds were isolated from the dried rhizomes of P. zanlanscianense, including a pair of new enantiomers (R/S)-7'-ethoxy-trans-p-couma-royltyramine (1a/1b) and 14 known compounds (2-14) isolated from this plant for the first time. The structures… read more here.
Keywords: alkaloids polygonatum; polygonatum zanlanscianense; zanlanscianense pamp; new alkaloids ... See more keywords
New Alkaloids and Anti-inflammatory Constituents from the Leaves of Antidesma ghaesembilla
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DOI: 10.1177/1934578x1701200104
Abstract: Using various chromatographic methods, two new alkaloids, antidesoic acids A (1) and B (2) along with fourteen known compounds (3-16) were isolated from the leaves of Antidesma ghaesembilla Gaertn. Their chemical structures were elucidated by… read more here.
Keywords: anti inflammatory; new alkaloids; alkaloids anti; leaves antidesma ... See more keywords
New Alkaloids From a Hawaiian Fungal Strain Aspergillus felis FM324
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DOI: 10.3389/fchem.2021.724617
Abstract: Two new alkaloids tryptoquivaline Y (1) and pseurotin I (2), together with eight known compounds (3–10), were purified from a fungal strain Aspergillus felis FM324, which was isolated from a Hawaiian beach soil sample. The… read more here.
Keywords: new alkaloids; strain aspergillus; fungal strain; aspergillus felis ... See more keywords
Two New Alkaloids and a New Butenolide Derivative from the Beibu Gulf Sponge-Derived Fungus Penicillium sp. SCSIO 41413
Sign Up to like & getrecommendations! Published in 2022 at "Marine Drugs"
DOI: 10.3390/md21010027
Abstract: Marine sponge-derived fungi have been proven to be a prolific source of bioactive natural products. Two new alkaloids, polonimides E (1) and D (2), and a new butenolide derivative, eutypoid F (11), were isolated from… read more here.
Keywords: new butenolide; sponge derived; butenolide derivative; two new ... See more keywords