- New Sulfur-containing Acetylenic Compounds from Arctium lappa
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Nine sulfur-containing acetylenic compounds were isolated and characterized as constituents of Arctium lappa L.The acetylenes named arctinone-a,b (I,II), arctinol-a,b (III,IV), arctinal (V), arctic acid-b,c (VI,VII), methyl arctate-b (VIII) and arctinone-a acetate (IX) were found to be 5'-(1-propynyl)-2,2'-bithienyl-5-yl derivatives on the basis of chemical and spectroscopic evidence.
- Washino, Tsutomu,Yoshikura, Masahiro,Obata, Shigeo
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p. 263 - 270
(2007/10/02)
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