Spirangien A and B, Highly Cytotoxic and
β
Jutta Niggemann; Norbert Bedorf; Ulrich FlΓΆrke; Heinrich Steinmetz; Klaus Gerth;
π
Article
π
2005
π
John Wiley and Sons
π
English
β 138 KB
## Abstract Two novel highly cytotoxic metabolites, spirangien A (**1**) and B (**2**), were isolated from the myxobacterium __Sorangium cellulosum__ (strain So ce90). The structures were elucidated by detailed NMR spectroscopic analysis. The previously unknown molecular framework common to spirang