Four isoprenoid-substituted flavonoids from Glycyrrhiza aspera

  title={Four isoprenoid-substituted flavonoids from Glycyrrhiza aspera},
  author={T. Fukai and Zeng Lu and Juno Nishizawa and Wang Ying-hua and T. Nomura},
Abstract Two new isoprenoid-substituted isoflavanones, glyasperins K and M, a 3-arylcoumarin, glyasperin L, and an isoflavone, glyasperin N, were isolated from the roots of Glycyrrhiza aspera . The structures of glyasperins K-N were elucidated by spectroscopic methods. 
14 Citations
Isoprenoid-substituted flavonoids from roots of Glycyrrhiza inflata
Abstract Two new isoprenoid-substituted dibenzoylmethanes, glyinflanins E and F, a pyranochalcone, glyinflanin G, a 2-arylbenzofuran, glyinflanin H, a 6-prenylated pyranoisoflavan, glyinflanin I, andExpand
Isoprenoid-substituted flavonoids from Glycyrrhiza glabra☆
A new isoprenoid-substituted isoflavone, kanzonol T, was isolated from Chinese licorice, Glycyrrhiza glabra, along with eight known flavonoids. The structure of the new compound was elucidated byExpand
An isoprenylated flavanone from Glycyrrhiza glabra and rec-assay of licorice phenols 1 Part 22 in th
A new prenylated 3-hydroxypyranoflavanone, kanzonol Z, was isolated from cultivated licorice and the structure elucidated from spectral evidence, and the stereochemical structure was shown to be ( α R )-3,5′-diprenyl- α,2,4,4′-tetrahydroxydihydrochalcone by Mosher's method. Expand
Isolation and Synthesis of Two New 3-Arylcoumarin Derivatives from the Root of Glycyrrhiza Glabra (Licorice), and Structure Revision of an Antioxidant Isoflavonoid Glabrene
Abstract Two new 3-arylcoumarin derivatives were isolated from the root of Glycyrrhiza glabra (licorice; Fabaceae), and their structures were elucidated asExpand
Phenolic constituents of licorice (Glycyrrhiza species).
  • T. Nomura, T. Fukai
  • Chemistry, Medicine
  • Fortschritte der Chemie organischer Naturstoffe = Progress in the chemistry of organic natural products. Progres dans la chimie des substances organiques naturelles
  • 1998
The Leguminosae is an economically important family in the Dicotyledonae with many cultivated species, e.g., beans and peas. The family also contains many well-known medicinal plants. It is composedExpand
2-Pyrone natural products and mimetics: isolation, characterisation and biological activity.
The review summarises natural products containing the 2-pyrone moiety. An emphasis has been placed upon the biological activity associated with 2-pyrones, particularly with respect to potentialExpand
Chemistry of 3-hetarylcoumarins 3*. Synthesis and aminomethylation of 7′-hydroxy-3,4′- bicoumarins
An improved procedure for the synthesis of 7′-hydroxy-3,4′-bicoumarins has been developed. Their 8′-aminomethyl derivatives were obtained by interaction with aminals.
Isoflavonoids and related compounds
It is interesting to note that there has been a slight decrease in the number of new isoflavones isolated during this review period, which may be a temporary slow down in productivity and may also indicate that new compounds are becoming harder to find. Expand
Palladium-catalyzed decarboxylative cross-coupling reactions: a route for regioselective functionalization of coumarins.
A straightforward, regioselective, and step-economical ligand-free palladium-catalyzed decarboxylative functionalization of coumarin-3-carboxylic acids is devised, which allows for construction of various biologically important π-electron extended coumarins. Expand
Novel yellow pigment from Pterocarpus santalinus: Biogenetic hypothesis for santalin analogs☆
A novel yellow pigment named santalin Y, related to red pigment santalin A was isolated from Pterocarpus santalinus. Its structure was determined by various spectral data including X-ray analysis.Expand


Five new isoprenoid-substituted flavonoids, kanzonols F-J, from Glycyrrhiza uralensis
A new isoprenoid-substituted pterocarpan derivative, kanzonol F, a new isoflavanone derivative, kanzonol G, and three new isoflavan derivatives, kanzonols H, I, J, were isolated from GlycyrrhizaExpand
Five new isoprenoid-substituted flavonoids, glyasperins F, G, H, I, and J from the roots of Glycyrrhiza aspera
Five new isoprenoid-substituted flavonoids, glyasperins F (1), G (2), H (3), I (4) and J (5) were isolated from the roots of Glycyrrhiza aspera. The structures of glyasperins F-J were elucidated byExpand
Five isoprenoid-substituted flavonoids from Glycyrrhiza eurycarpa
Abstract A new prenylated dibenzoylmethane, kanzonol A, and a new chalcone, kanzonol B, along with two new isoprenoid-substituted flavones, kanzonols D and E were isolated from the roots ofExpand
Four New Isoprenoid-substituted Dibenzoylmethane Derivatives, Glyineflanins A, B, C, and D from the Roots of Glycyrrhiza inflata
Four new isoprenoid-substituted dibenzoylmethane derivatives, glyinflanins A (1), B (2), C (3), and D (4) were isolated from the roots of Glycyrrhiza infalta. The structures of glyinflanins A-D wereExpand
Four new prenylated flavonoids, glyasperins A, B, C, and D from the roots of Glycyrrhiza aspera
Four new prenylated flavonoids, glyasperins A (1), B (2), C (3),n and D (4), along with ten known compounds were isolated from the roots of Glycyrrhiza aspera. The structures of glyasperins A-D wereExpand
Structures of six isoprenoid-substituted flavonoids, gancaonins F, G, H, I, glycyrol, and isoglycyrol from Xibei licorice (Glycyrrhiza sp.)
Four new isoprenoid-subtituted flavonoids, gancaonins F, G, H, and I, along with two known compounds, glycyrol and isoglycyrol, were isolated from the Xibei licorice (Glycyrrhiza sp.). Structures ofExpand
Six prenylated phenols from Glycyrrhiza uralensis
Abstract A new prenylated flavone, gancaonin Q, and three new prenylated dihydrostilbenes, gancaonins R, S and T, along with two new prenylated dihydrophenanthrenes, gancaonins U and V were isolatedExpand
Four new prenylated flavonoids from aerial parts of Glycyrrhiza uralensis
Three new prenylated isoflavones were isolated from the aerial parts of Glycyrrhiza uralensis Fisch. (Leguminosae) and the structures of the new compounds, gancaonins B, C, and D, were elucidated asExpand
A New Isoflavone from Licorice Root
A new isoflavone, licoisoflavone A, was isolated from the root of Glycyrrhiza spp. (Leguminosae), and the structure I was formulated on the basis of chemical and spectroscopic studies.
Two isoprenylated isoflavone phytoalexins from Cajanus cajan
Abstract Four phytoalexins were isolated from sliced seeds of pigeonpea which had been incubated with its native microflora. Two were identified as the known pigeonpea phytoalexins, cajanin andExpand