A New Highly Oxygenated Pseudoguaianolide from a Collection of the Flowers of Parthenium hysterophorus

Ratna Das; Madamanchi Geethangili; Anjoy Majhi; Biswanath Das; Yerra Koteswara Rao; Yew-Min Tzeng

doi:10.1248/cpb.53.861

Notes

A New Highly Oxygenated Pseudoguaianolide from a Collection of the Flowers of Parthenium hysterophorus

Ratna Das, Madamanchi Geethangili, Anjoy Majhi, Biswanath Das, Yerra Koteswara Rao, Yew-Min Tzeng

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Keywords: Parthenium hysterophorus, pseudoguaianolide, 8-β-acetoxyhysterone C

JOURNAL FREE ACCESS

2005 Volume 53 Issue 7 Pages 861-862

DOI https://doi.org/10.1248/cpb.53.861

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Abstract

A new highly oxygenated pseudoguaianolide, 8-β-acetoxyhysterone C, along with the known compounds, parthenin, coronopilin and hysterone C, has been isolated from a collection of the flowers of Parthenium hysterophorus. The structure of the new compound was derived from the extensive studies of its spectral (mainly 1D and 2D NMR) data.

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