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2013•The Journal of Organic ChemistryRequires access

Protection-Group-Free Semisyntheses of Parthenolide and Its Cyclopropyl Analogue

Jing Long, Yahui Ding, Panpan Wang, Quan Zhang, Yue Chen

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Abstract

Parthenolide showed extensive bioactivities including selective eradication of AML stem cells. Herein we report protection-free semisyntheses of parthenolide and its cyclopropyl analogue (compound 10) from the abundant natural product costunolide with an overall yield of 55 and 60%, respectively. Compound 10 was more stable than parthenolide, and it maintained comparable activities against AML cell lines and AML stem cells. Therefore, compound 10 might be a superior small molecule than parthenolide as a tool for investigation of cancer stem cell biology.

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What this paper is about

Parthenolide showed extensive bioactivities including selective eradication of AML stem cells. Herein we report protection-free semisyntheses of parthenolide and its cyclopropyl analogue (compound 10) from the abundant natural product costunolide with an overall yield of 55 and 60%, respectively. Compound 10 was more stable than parthenolide, and it maintained comparable activities against AML cell lines and AML stem cells. Therefore, compound 10 might be a superior small molecule than parthenolide as a tool for investigation of cancer stem cell biology.

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Available abstract

Parthenolide showed extensive bioactivities including selective eradication of AML stem cells. Herein we report protection-free semisyntheses of parthenolide and its cyclopropyl analogue (compound 10) from the abundant natural product costunolide with an overall yield of 55 and 60%, respectively. Compound 10 was more stable than parthenolide, and it maintained comparable activities against AML cell lines and AML stem cells. Therefore, compound 10 might be a superior small molecule than parthenolide as a tool for investigation of cancer stem cell biology.

Key concepts: Parthenolide, Natural product, Chemistry, Stereochemistry, Pharmacology, Biology, Apoptosis, Biochemistry

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