41137-87-5Relevant academic research and scientific papers
New diarylheptanoids from Alnus japonica and their antioxidative activity
Kuroyanagi, Masanori,Shimomae, Mari,Nagashima, Yasuo,Muto, Norio,Okuda, Takuro,Kawahara, Nobuo,Nakane, Takahisa,Sano, Toshikazu
, p. 1519 - 1523 (2005)
In the course of research on the bioactive constituents of woody plants in the Cyugoku area of Japan, a methanol extract of the leaves of Alnus japonica were found to have strong antioxidative activity. Ethyl acetate soluble and n-buthanol soluble fractio
A new diarylheptanoid glycoside from the stem bark of Alnus hirsuta and protective effects of diarylheptanoid derivatives in human HepG2 cells
Park, Daae,Kim, Hyoung Ja,Jung, Seo Yun,Yook, Chang-Soo,Jin, Changbae,Lee, Yong Sup
experimental part, p. 238 - 241 (2010/07/08)
To search for secondary metabolites of Alnus hirsuta (Betulaceae), various chromatographic separations of the ethyl acetate soluble fraction of the stem bark of A. hirsuta led to the isolation of a new diarylheptanoid glycoside, (3R)-1,7-bis-(4-dihydroxyphenyl)-3-heptanol 3-O-β-D- glucopyranosyl(1→3)-β-D-xylopyranoside (13) and twelve diarylheptanoid derivatives, namely, oregonin (1), rubranoside A (2), hirsutanonol 5-O-β-D-glucopyranoside (3), rubranoside B (4), rubranoside C (5), hirsutanonol (6), hirsutenone (7), (5S)-O-methylhirsutanonol (8), platyphylloside (9), platyphyllonol 5-O-β-D-xylopyranoside (10), aceroside VII (11) and platyphyllenone (12). Isolates were assessed for their hepatoprotective effects against tert-butylhydroperoxide (t-BHP)-induced toxicity in HepG2 cells. Of these isolates, compounds 1 - 8 showed significant hepatoprotective effects on t-BHP-induced damage to HepG2 cells, with 8 exhibiting the greatest protective effect (50.7±3.7% at a concentration of 10 μM).
Synthesis of gingerenone-A and hirsutenone
Venkateswarlu,Ramachandra,Rambabu,Subbaraju
, p. 495 - 497 (2007/10/03)
Gingerenone-A 5, a diarylheptenone from Zingiber officinale, has been synthesized from vanillin 1 in four steps with an overall yield of 15%. Demethylation of 5 with AlCl3 gives hirsutenone 6, a metabolite of Alnus hirsute, in 36% yield. The spectral data of 5 and 6 are in agreement with those of natural metabolites 5 and 6 and both the compounds exhibited weak antibacterial activity.
