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Synthesis and Anticancer Activity of Epipolythiodiketopiperazine Alkaloids.


ABSTRACT: The epipolythiodiketopiperazine (ETP) alkaloids are a highly complex class of natural products with potent anticancer activity. Herein, we report the application of a flexible and scalable synthesis, allowing the construction of dozens of ETP derivatives. The evaluation of these compounds against cancer cell lines in culture allows for the first expansive structure-activity relationship (SAR) to be defined for monomeric and dimeric ETP-containing natural products and their synthetic cognates. Many ETP derivatives demonstrate potent anticancer activity across a broad range of cancer cell lines, and kill cancer cellsviainduction of apoptosis. Several traits thatbode well for the translational potential of the ETP class of natural products includeconcise and efficient synthetic access, potent induction of apoptotic cell death, activity against a wide range of cancer types, and a broad tolerance for modifications at multiple sitesthat should facilitate small-molecule drug development, mechanistic studies, and evaluation in vivo.

SUBMITTER: Boyer N 

PROVIDER: S-EPMC3728915 | biostudies-literature | 2013 Apr

REPOSITORIES: biostudies-literature

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Synthesis and Anticancer Activity of Epipolythiodiketopiperazine Alkaloids.

Boyer Nicolas N   Morrison Karen C KC   Kim Justin J   Hergenrother Paul J PJ   Movassaghi Mohammad M  

Chemical science 20130401 4


The epipolythiodiketopiperazine (ETP) alkaloids are a highly complex class of natural products with potent anticancer activity. Herein, we report the application of a flexible and scalable synthesis, allowing the construction of dozens of ETP derivatives. The evaluation of these compounds against cancer cell lines in culture allows for the first expansive structure-activity relationship (SAR) to be defined for monomeric and dimeric ETP-containing natural products and their synthetic cognates. Ma  ...[more]

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