Rubellawus A-D, Four New Diterpenoids Isolated from Callicarpa rubella and Their Anti-NLRP3 Inflammasome Effects.

Chem Biodivers

Key Laboratory of Medicinal Chemistry for Natural Resource, Ministry of Education, Yunnan Research and Development Center for Natural Products, School of Chemical Science and Technology, Yunnan University, Kunming, 650091, P. R. China.

Published: December 2020

AI Article Synopsis

  • Four new diterpenoids, named rubellawus A-D, were discovered in the flowers of the plant Callicarpa rubella, along with three previously known compounds.
  • The chemical structures of these compounds were determined using different spectroscopic techniques.
  • The compounds were tested for anti-inflammatory properties, and two specific acids showed notable inhibitory effects on the NLRP3 inflammasome, making them potential candidates for further research.

Article Abstract

Four new diterpenoids, rubellawus A-D (1-4), along with three known compounds, were isolated and identified from the flowers of Callicarpa rubella. Their structures were elucidated by various spectroscopic analysis. All the compounds were screened for their anti-inflammatory activity and 14α-hydroxyisopimaric acid and isopimaric acid showed significant NLRP3 inflammasome inhibitory activity with IC values of 7.02 and 3.99 μM.

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Source
http://dx.doi.org/10.1002/cbdv.202000798DOI Listing

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