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Scopadulcic acid-A and -B, new diterpenoids with a novel skeleton, from a Paraguayan crude drug “typychá kuratũ” (scoparia dulcis L.) by Toshimitsu Hayashi; Mieko Kishi; Masaru Kawasaki; Munehisa Arisawa; Mineo Shimizu; Shoichi Suzuki; Masao Yoshizaki; Naokata Morita; Yasuhiro Tezuka; Tohru Kikuchi; Luis H. Berganza; Esteban Ferro; Isabel Basualdo is a Chemistry article available to read on EtoBox.
What is Scopadulcic acid-A and -B, new diterpenoids with a novel skeleton, from a Paraguayan crude drug “typychá kuratũ” (scoparia dulcis L.) about?
Scopadulcic acid-A and -B, diterpenoids with a novel skeleton, have been isolated from the whole plants of Scoparia dulcis L., and their structures, including the absolute configuration, were determined based on the Z-D NMR and CD spectral data. During our investigation on biologically active substances from Paraguayan medicinal plants, a new labdane-type diterpenoid, scoparic acid-A (l), was isolated from the 70% ethanol extract of "Typychs kuratii" (whole plants of Scoparia dulcis L., Scrophuraliaceae). 1) From the same source, we have now isolated two novel diterpenoids, named scopadulcic acid-A (2) and -B (3). In this communication, structures of scopadulcic acid-A and -B, including their absolute stereochemistry, are described. Scopadulcic acid-A (2), colorless prisms (MeOH), mp 172-174", [(w]E7-5.7" (MeOH), has the molecular formula C27H3406 (M+ 454.2313, calcd. 454.2354) and its UV and IR spectra showed
Who reads Scopadulcic acid-A and -B, new diterpenoids with a novel skeleton, from a Paraguayan crude drug “typychá kuratũ” (scoparia dulcis L.)?
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- Author
- Toshimitsu Hayashi; Mieko Kishi; Masaru Kawasaki; Munehisa Arisawa; Mineo Shimizu; Shoichi Suzuki; Masao Yoshizaki; Naokata Morita; Yasuhiro Tezuka; Tohru Kikuchi; Luis H. Berganza; Esteban Ferro; Isabel Basualdo
- Publisher
- Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0040-4039)
- Published
- 1987
- Language
- EN
- Field
- Chemistry (Physical Sciences)