Five new aristolactam alkaloids (-), dasymaschalolactams A-E, and the first isolation of dasymaschalolactone () as a natural product, together with 19 known compounds (- and -) were isolated from the twig extract of . Their structures were elucidated by spectroscopic methods as well as comparisons made from the literature. Compounds and showed α-glucosidase inhibitory activities with IC values of 4.5 and 24.7 μM, respectively.
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Dasymaschalolactams A-E, Aristolactams from a Twig Extract of .
J Nat Prod
November 2019
School of Chemistry and Molecular Bioscience , University of Wollongong, Wollongong , New South Wales 2522 , Australia.
Five new aristolactam alkaloids (-), dasymaschalolactams A-E, and the first isolation of dasymaschalolactone () as a natural product, together with 19 known compounds (- and -) were isolated from the twig extract of . Their structures were elucidated by spectroscopic methods as well as comparisons made from the literature. Compounds and showed α-glucosidase inhibitory activities with IC values of 4.
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