Ontology highlight
ABSTRACT:
SUBMITTER: Shubina LK
PROVIDER: S-EPMC7551063 | biostudies-literature | 2020 Aug
REPOSITORIES: biostudies-literature
Shubina Larisa K LK Makarieva Tatyana N TN Denisenko Vladimir A VA Popov Roman S RS Dyshlovoy Sergey A SA Grebnev Boris B BB Dmitrenok Pavel S PS von Amsberg Gunhild G Stonik Valentin A VA
Marine drugs 20200830 9
Seven new polyoxygenated steroids belonging to a new structural group of sponge steroids, gracilosulfates A-G (<b>1</b>-<b>7</b>), possessing 3<i>β</i>-<i>O</i>-sulfonato, 5<i>β,</i>6<i>β</i> epoxy (or 5(6)-dehydro), and 4<i>β</i>,23-dihydroxy substitution patterns as a common structural motif, were isolated from the marine sponge <i>Haliclona gracilis.</i> Their structures were determined by NMR and MS methods. The compounds <b>1, 2, 4, 6</b>, and <b>7</b> inhibited the expression of prostate-s ...[more]