Novel alkaloids from the fire ant, Solenopsis geminata
Sign Up to like & getrecommendations! Published in 2022 at "Die Naturwissenschaften"
DOI: 10.1007/s00114-022-01786-w
Abstract: South American fire ants, Solenopsis richteri and Solenopsis invicta , were accidently introduced into the southern USA in the 1900s and 1930s, respectively. The rapid spread and high population densities of S. invicta , and… read more here.
Keywords: solenopsis geminata; geminata; alkaloids fire; solenopsis ... See more keywords
Three novel alkaloids from Portulaca oleracea L. and their anti-inflammatory bioactivities.
Sign Up to like & getrecommendations! Published in 2021 at "Fitoterapia"
DOI: 10.1016/j.fitote.2021.105087
Abstract: Three novel alkaloids, identified as (E)-N-((2R)-3-(2,5-dihydroxy-4-((3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)phenyl)-2-hydroxypropanoyl)-3-(4-hydroxyphenyl)acrylamide (1), named oleracrylimide A, (E)-N-((2R)-3-(2,5-dihydroxy-4-((3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)phenyl)-2-hydroxypropanoyl)-3-(4-hydroxy-3-methoxyphenyl)acrylamide (2), named oleracrylimide B, and (E)-N-((2R)-3-(2,5-dihydroxy-4-((3,4,5-trihydroxy-6-(((3,4,5-trihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-2-yl)oxy)methyl)tetrahydro-2H-pyran-2-yl)oxy)phenyl)-2-hydroxypropanoyl)-3-(4-hydroxy-3-methoxyphenyl)acrylamide (3), named oleracrylimide C were isolated from Portulaca oleracea L. and the structures of the three novel compounds… read more here.
Keywords: pyran oxy; tetrahydro pyran; three novel; portulaca oleracea ... See more keywords
Chemical Investigation of the Indonesian Tunicate Polycarpa aurata and Evaluation of the Effects Against Schistosoma mansoni of the Novel Alkaloids Polyaurines A and B
Sign Up to like & getrecommendations! Published in 2019 at "Marine Drugs"
DOI: 10.3390/md17050278
Abstract: A deep study of the metabolic content of the tunicate Polycarpa aurata, collected from Indonesian coast, afforded the isolation of two novel alkaloids, polyaurines A (1) and B (2), along with two new p-substituted benzoyl… read more here.
Keywords: alkaloids polyaurines; polycarpa aurata; schistosoma mansoni; novel alkaloids ... See more keywords