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Updated: May 24, 2026

Functionalized Spirocyclic Heterocycle Synthesis and Cytotoxicity Assay
Published on: February 9, 2021
Structural determination of NSC 670224, synthesis of analogues and biological evaluation
Nathaniel B Zuckerman1, Andrew S Myers, Tiffani K Quan
1Department of Chemistry and Biochemistry, University of California, Santa Cruz (UCSC), Santa Cruz, CA 95064, USA.
Abstract:
Follow my lead! NSC 670224, previously shown to be toxic to Saccharomyces cerevisiae at low micromolar concentrations, potentially acts via a mechanism of action related to that of tamoxifen (NSC 180973), breast cancer drug. The structure of NSC 670224, previously thought to be a 2,4-dichloro arene, was established as the 3,4-dichloro arene, and a focused library of analogues were synthesized and biologically evaluated.
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