## Abstract Three new thiophene‐acetylenes, 7‐chloroarctinone‐b (**1**), rhapontiynethiophenes A (**2**) and B (**3**), along with arctinone‐b (**4**) were isolated from the MeOH extract of the roots of __Rhaponticum uniflorum__ (L.) DC. The structures of the new compounds were elucidated by detail
✦ LIBER ✦
New acetylenes fromChrysanthemum coronarium L.
✍ Scribed by Sanz, Juan Francisco ;Falcó, Enrique ;Marco, Juan Alberto
- Publisher
- John Wiley and Sons
- Year
- 1990
- Tongue
- English
- Weight
- 250 KB
- Volume
- 1990
- Category
- Article
- ISSN
- 0947-3440
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✦ Synopsis
Abstract
The investigation of the aerial parts of Chrysanthemum coronarium yielded, in addition to several known compounds, two new acetylenic sulfoxides 9 and 10, and a new thiophene spiroacetal enol ether 11. Their structures were deduced by spectroscopic and chemical methods.
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