Premnosides A-D: Diacyl 6-O-α-l-rhamnopyranosylcatalpols from Premna odorata

Abstract

Premnosides A-D were isolated from the leaves of Premna odorata. Their structures were determined to be (2″-O-, 3″-O-dicaffeoyl, [2″-O-, 3″-O-(or 3″-O-, 2″-O-)caffeoyl, feruloyl], [2″-O-, 3″-O-(or 3″-O-, 2″-O-)caffeoyl, p-trans-coumaroyl] and [2″-O-, 3″-O-(or 3″-O-, 2″-O)-feruloyl, p-trans-coumaroyl]-6-O-α-l-rhamnopyranosylcatalpols, respectively, by means of NMR spectroscopy and chemical methods. © 1983.

Source or Periodical Title

Phytochemistry

ISSN

319422

Page

3063-3067

Document Type

Article

Subject

diacylrhamnopyranosylcatalpol, iridoid, NMR., Premna odorata, premnoside, Verbenaceae

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