Studies on the consituents of Osmanthus species. VI. Structures of phenylpropanoid glycosides from the leaves of Osmanthus asiaticus nakai.
- 1 January 1990
- journal article
- research article
- Published by Pharmaceutical Society of Japan in CHEMICAL & PHARMACEUTICAL BULLETIN
- Vol. 38 (11) , 2953-2955
- https://doi.org/10.1248/cpb.38.2953
Abstract
Three new phenylpropanoid glycosides, named osmanthusde B6 (I), osmanthuside D (II) and osmanthuside E (III), were isolated from the leaves of Osmanthus asiaticus Nakai (Oleaceae). The structures of I, II and III were determined to be .beta.-(p-hydroxyphenyl) ethyl O-.alpha.-L-rhamnopyranosyl-(1 .fwdarw. 3)-6-O-trans-p-coumaroyl-.beta.-D-glucopyranoside, .beta.-(p-hydroxyphenyl)ethyl O-.alpha.-L-rhamnopyranosyl-(1 .fwdarw. 3)-4-O-cis-p-coumaroyl-.beta.-D-glucopyranoside and .beta.-(p-hyroxyphenyl) ethyl 6-O-trans-feruloyl-.beta.-D-glucoyranoside, respectively, on the basis of chemical and spectral data.Keywords
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