## Abstract Two new pseudoguaianolide‐type sesquiterpene lactones, named deacetyltetraneurin A (**3**) and hysterone E (**4**), were isolated from flowers of the plant __Parthenium hysterophorus__ L., along with the seven known compounds parthenin (**1**), coronopilin, tetraneurin A, 8‐__β__‐hydrox
A Minor Pseudoguaianolide from the Aerial Parts of Parthenium hysterophorus L.
✍ Scribed by Padma Acharyya; Nabin C. Barua
- Publisher
- John Wiley and Sons
- Year
- 2003
- Weight
- 60 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0931-7597
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## Abstract Chemical investigation on two samples of the flowers of __Parthenium hysterophorus__ afforded two new pseudoguaianolides (one from each sample) together with several known constituents. The structures of the new compounds were established by extensive spectroscopic (1D‐ and 2D‐NMR) stud
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The volatiles isolated from the leaves and flowers of fnufa viscosa (L.) Ait. were studied by means of GC and GC-MS. The oil obtained by hydrodistillation was shown to contain borneol (25.2%), bornyl acetate (19.5%) and isobornyl acetate (22.5%) as major constituents, whereas that isolated first by