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Kalihioxepanes A—G: Seven Kalihinene Diterpenoids from Marine Sponge Acanthella cavernosa Collected off the South China Sea

Kalihioxepanes A—G: Seven Kalihinene Diterpenoids from Marine Sponge Acanthella cavernosa... Seven new kalihinene diterpenoids, kalihioxepanes A—G (1—7) bearing a rare oxepane ring, were isolated from sponge Acanthella cavernosa collected from the South China Sea. The structures and absolute configurations were elucidated by comprehensive spectroscopic analysis, single crystal X‐ray diffraction, and quantum chemical calculation methods. Kalihioxepane A (1) displayed strong cytotoxicity against H69 and K562 tumor cells, while kalihioxepane B (2) showed moderate cytotoxicity against K562 cells. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Chinese Journal of Chemistry Wiley

Kalihioxepanes A—G: Seven Kalihinene Diterpenoids from Marine Sponge Acanthella cavernosa Collected off the South China Sea

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References (58)

Publisher
Wiley
Copyright
© 2022 SIOC, CAS, Shanghai, & WILEY‐VCH GmbH
eISSN
1614-7065
DOI
10.1002/cjoc.202200120
Publisher site
See Article on Publisher Site

Abstract

Seven new kalihinene diterpenoids, kalihioxepanes A—G (1—7) bearing a rare oxepane ring, were isolated from sponge Acanthella cavernosa collected from the South China Sea. The structures and absolute configurations were elucidated by comprehensive spectroscopic analysis, single crystal X‐ray diffraction, and quantum chemical calculation methods. Kalihioxepane A (1) displayed strong cytotoxicity against H69 and K562 tumor cells, while kalihioxepane B (2) showed moderate cytotoxicity against K562 cells.

Journal

Chinese Journal of ChemistryWiley

Published: Aug 1, 2022

Keywords: Acanthella cavernosa; Kalihinenes; Configuration determination; Cytotoxicity; Natural products

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