Biologically Inspired Total Synthesis of Ulbactin F, an Iron-Binding Natural Product
作者:Justin A. Shapiro、Kelly R. Morrison、Shreya S. Chodisetty、Djamaladdin G. Musaev、William M. Wuest
DOI:10.1021/acs.orglett.8b02599
日期:2018.9.21
environmental microbiomes provide exquisite templates for elucidating biological activity in the search for new drugs. A recently discovered marine Brevibacillus sp. metabolite, ulbactin F, was found to inhibit tumor cell migration and invasion at IC50 < 3 μM. Herein, we disclose the first total synthesis of ulbactin F and epi-ulbactin F, which was modeled after the biosynthetic pathway. The scaffold bears
来自环境微生物组的天然产物为阐明新药寻找中的生物活性提供了精美的模板。最近发现的一种海洋短芽孢杆菌。代谢物 ulbactin F 被发现可抑制肿瘤细胞迁移和侵袭,IC 50 < 3 μM。在此,我们公开了 ulbactin F 和epi -ulbactin F的首次全合成,这是根据生物合成途径建模的。该支架与人类病原体的铁载体结构相似,但包含源自半胱氨酸的新型三环系统。我们发现ulbactin F形成低亲和力金属配合物,优先选择Fe 3+和Cu 2+,这可能暗示了其环境作用及其抗转移作用机制。