4.8 Article

Synthesis of Chamaecypanone C Analogues from in Situ-Generated Cyclopentadienones and Their Biological Evaluation

Journal

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 134, Issue 48, Pages 19782-19787

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ja3084708

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Funding

  1. NIH [GM-073855]
  2. NIGMS CMLD Initiative [P50 GM067041]
  3. Intramural Research Program of NIH, National Cancer Institute, Center for Cancer Research
  4. Developmental Therapeutics Program, Division of Cancer Diagnosis and Treatment
  5. Vertex Pharmaceuticals, Inc.

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A rhodium-catalyzed dehydrogenation protocol for the conversion of 3,5-diarylcyclopentenones to the corresponding 2,4-diarylcyclopentadienones has been developed. With this protocol, analogues of the cytotoxic agent chamaecypanone C have been synthesized via Diels-Alder cycloaddition between the cyclopentadienones and in situ-generated o-quinols. Biological evaluation of these analogues revealed a compound with higher activity as a microtubule inhibitor and cytotoxic agent in comparison with the parent structure.

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