Ontology highlight
ABSTRACT:
SUBMITTER: Calabro K
PROVIDER: S-EPMC5532641 | biostudies-literature | 2017 Jun
REPOSITORIES: biostudies-literature
Marine drugs 20170626 7
The first chemical investigation of the Mediterranean deep-sea sponge <i>Poecillastra compressa</i> (Bowerbank, 1866) led to the identification of seven new steroidal saponins named poecillastrosides A-G (<b>1</b>-<b>7</b>). All saponins feature an oxidized methyl at C-18 into a primary alcohol or a carboxylic acid. While poecillastrosides A-D (<b>1</b>-<b>4</b>) all contain an <i>exo</i> double bond at C-24 of the side-chain and two osidic residues connected at O-2', poecillastrosides E-G (<b>5 ...[more]