Ponasterone A and F, Ecdysteroids from the Arctic Bryozoan Alcyonidium gelatinosum

• Published in: Molecules
• Main Authors: Hansen, Kine Østnes, Isaksson, Johan, Glomsaker, Eirin, Andersen, Jeanette Hammer, Hansen, Espen
• Format: Text
• Language: English
• Published: MDPI 2018
• Subjects: Article; Arctic; Edgeøya; Svalbard
• Online Access: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6100090/; http://www.ncbi.nlm.nih.gov/pubmed/29921766; https://doi.org/10.3390/molecules23061481

A new ecdysteroid, ponasterone F (1) and the previously reported compound ponasterone A (2) were isolated from specimens of the Arctic marine bryozoan Alcyonidium gelatinosum collected at Hopenbanken, off the coast of Edgeøya, Svalbard. The structure of 1 was elucidated, and the structure of 2 confi...