Phthalide-derived oxaspiroangelioic acids A–C with an unprecedented carbon skeleton from an aqueous extract of the Angelica sinensis root head
Chinese Chemical Letters, ISSN: 1001-8417, Vol: 32, Issue: 10, Page: 3257-3260
2021
- 15Citations
- 1Captures
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Metrics Details
- Citations15
- Citation Indexes15
- 15
- Captures1
- Readers1
Article Description
Three phthalide-derived analogues, oxaspiroangelioic acids A–C ( 1 – 3 ), were isolated as minor components of an aqueous extract of the Angelica sinensis root heads (guitou). Oxaspiroangelioic acids A and B were racemates separated into enantiomers by chiral HPLC. Their structures including absolute configurations were determined by spectroscopic data analysis, single crystal X-ray diffraction, exciton chirality method and electronic circular dichroism (ECD) calculation. These compounds share an undescribed carbon skeleton, for which biosynthetic pathways are proposed. Compound 1 and its enantiomers showed almost identical activity inhibiting Tandem of P domains in a weak inwardly rectifying K + channel 1 (TREK-1).
Bibliographic Details
http://www.sciencedirect.com/science/article/pii/S100184172100125X; http://dx.doi.org/10.1016/j.cclet.2021.03.004; http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85103308111&origin=inward; https://linkinghub.elsevier.com/retrieve/pii/S100184172100125X; https://api.elsevier.com/content/article/PII:S100184172100125X?httpAccept=text/xml; https://api.elsevier.com/content/article/PII:S100184172100125X?httpAccept=text/plain; https://dul.usage.elsevier.com/doi/; http://sciencechina.cn/gw.jsp?action=cited_outline.jsp&type=1&id=7100759&internal_id=7100759&from=elsevier; https://dx.doi.org/10.1016/j.cclet.2021.03.004
Elsevier BV
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