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Brominated 3-Acetyl-11-keto-β-boswellic Acid Derivative from Boswellia serrata Extract Characterized by
Masataka Ito1, Keisuke Misao1, Hironori Suzuki1
1Faculty of Pharmaceutical Sciences, Toho University, 2-2-1 Miyama, Funabashi, Chiba 274-8510, Japan.
Chemical & Pharmaceutical Bulletin
|April 2, 2025
Summary
Frankincense contains 3-acetyl-11-keto-β-boswellic acid. Researchers discovered a brominated derivative of this compound in Boswellia serrata extracts, offering new insights into its chemical properties.
Area of Science:
- Natural Product Chemistry
- Organic Chemistry
- Structural Biology
Background:
- 3-Acetyl-11-keto-β-boswellic acid is a key pentacyclic triterpenoid found in frankincense resin.
- Boswellia species, particularly Boswellia serrata, are known sources of bioactive compounds.
Purpose of the Study:
- To elucidate the crystal structure of 3-acetyl-11-keto-β-boswellic acid solvates.
- To identify and characterize related compounds present in Boswellia serrata extracts.
Main Methods:
- Single crystal X-ray diffraction analysis.
- Mass spectroscopy.
- Extraction from Boswellia serrata.
Main Results:
- Single crystals of 3-acetyl-11-keto-β-boswellic acid methanol and acetonitrile solvates were successfully obtained.
- X-ray analysis revealed the presence of a novel brominated derivative: 3-acetyl-11-keto-12-bromo-β-boswellic acid.
- Mass spectrometry confirmed the existence of this brominated compound in the plant extract.
Conclusions:
- The findings provide a detailed structural understanding of 3-acetyl-11-keto-β-boswellic acid and its derivatives.
- This structural information may offer insights into the chemical reactivity and biosynthesis pathways within Boswellia serrata.
Keywords:
3-acetyl-11-keto-β-boswellic acidbromoterpenoidmass spectroscopypentacyclic triterpenoidsingle-crystal X-ray crystallographyMore Related Videos
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