Journal
CHEMICAL & PHARMACEUTICAL BULLETIN
Volume 53, Issue 10, Pages 1335-1337Publisher
PHARMACEUTICAL SOC JAPAN
DOI: 10.1248/cpb.53.1335
Keywords
alpinnanin; Alpinia pinnanensis; Zingiberaceae; diarylheptanoid
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Three new diarylheptanoids, called alpinnanins A-C (1-3), together with two known chalcones, 2',4'-dihydroxy-6'-methoxychalcone and 4',6'-dimethylehalconaringenin, two known flavanones, alpinetin and naringenin 5-O-methyl ether, a known diarylheptanoid, (3S,5S)-trans-3,5-dihydroxy-1,7-diphenyl-1-heptene, stigmasterol and beta-sitosterol as a mixture, and beta-sitosterol 3-O-beta-D-glueopyranoside were isolated from the rhizomes of Alpinia pinnanensis T. L. Wu et SENJEN (Zingiberaceae). Their structures were elucidated by spectroscopic analyses.
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