Title
Ceylonins G–I: spongian diterpenes from the marine sponge Spongia ceylonensis
Author
Ahmed H. El-Desoky, Hikaru KatoSachiko Tsukamoto
Year
2017
Journal
Journal of Natural Medicines
Abstract
Three new spongian diterpenes, ceylonins G–I (1–3), were isolated from the marine sponge Spongia ceylonensis collected in Indonesia, together with five known spongian diterpenes (4–8). Only 4 inhibited USP7 with an IC50 value of 8.2 lM.
Instrument
J-820
Keywords
Circular dichroism, Absolute configuration, Natural products, Pharmaceutical