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Bioactive Piperazic Acid-Bearing Cyclodepsipeptides, Lydiamycins E–H, from an Endophytic Streptomyces sp. Associated with Cinnamomum cassia
Ist Teil von
Journal of natural products (Washington, D.C.), 2023-04, Vol.86 (4), p.751-758
Ort / Verlag
United States: American Chemical Society and American Society of Pharmacognosy
Erscheinungsjahr
2023
Quelle
MEDLINE
Beschreibungen/Notizen
A chemical investigation of the endophytic Streptomyces sp. HBQ95, associated with the medicinal plant Cinnamomum cassia Presl, enabled the discovery of four new piperazic acid-bearing cyclodepsipeptides, lydiamycins E–H (1–4), and one known compound (lydiamycin A). Their chemical structures, including absolute configurations, were defined by a combination of spectroscopic analyses and multiple chemical manipulations. Lydiamycins F–H (2–4) and A (5) exhibited antimetastatic activity against PANC-1 human pancreatic cancer cells without significant cytotoxicity.