Fusarisetin A: scalable total synthesis and related studies
摘要:
Fusarisetin A (1) is a recently isolated natural product that displays an unprecedented chemical motif and remarkable bioactivities as a potent cancer migration inhibitor. We describe here our studies leading to an efficient and scalable total synthesis of1. Essential to the strategy was the development of a new route for the formation of atrans-decalin moiety of this compound and the application of an oxidative radical cyclization (ORC) reaction that produces fusarisetin A (1) from equisetin (2)viaa bio-inspired process. TEMPO-induced and metal/O2-promoted ORC reactions were evaluated. Biological screeningin vitroconfirms the reported potency of (+)-1. Importantly,ex vivostudies show that this compound is able to inhibit different types of cell migration. Moreover, the C5epimer of (+)-1was also identified as a potent cancer migration inhibitor, while ()-1and2were found to be significantly less potent. The optimized synthesis is applicable on gram scale and provides a solid platform for analogue synthesis and methodical biological study.
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DOI:
10.1039/c2sc21308g
被引量:
年份:
2012































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