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ID: ALA4414588

Journal: J Nat Prod

Title: Cinerols, Nitrogenous Meroterpenoids from the Marine Sponge Dysidea cinerea.

Authors: Jiao WH, Li J, Wang D, Zhang MM, Liu LY, Sun F, Li JY, Capon RJ, Lin HW.

Abstract: Eleven new nitrogenous meroterpenoids, cinerols A-K (1-11), were isolated from the marine sponge Dysidea cinerea collected in the South China Sea, and their structures were determined by detailed spectroscopic analysis. Cinerols A (1) and B (2) feature a rare 5H-pyrrolo[1,2a]benzimidazole moiety, while cinerols C-G (3-7) are examples of rare meroterpene benzoxazoles. The cinerols are noncytotoxic to human melanoma A375 cells at the concentration of 32 μM; however, selected cinerols exhibit moderate inhibitory activity against one or more of protein-tyrosine phosphatase 1B, ATP-citrate lyase, and SH2 domain-containing phosphatase-1 with IC50 values of 2.8-27 μM.

CiteXplore: 31532203

DOI: 10.1021/acs.jnatprod.9b00471