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Original Articles

Coumarins from Peucedanum wulongense

Pages 183-187 | Received 11 Sep 2002, Accepted 13 Nov 2002, Published online: 17 Oct 2011
 

Abstract

A new angular dihydropyrancoumarin named wulongensin A, along with five known coumarins, (-)-anomalin, umbelliferone, (-)-smyrinol, 3′(S),4′(S)-disenecioyloxy-3′,4′-dihydroseselin, (+)-trans-khellactone, was isolated from the root of Peucedanum wulongense. The structure of wulongensin A was established as 3′(R)-angeloyloxy-4′(R)-isovaleryloxy-3′,4′-dihydroseselin by spectroscopic methods and the absolute configurations were deduced by chemical correlations with known compounds.

Acknowledgements

This research work was supported by the National Natural Science Foundation of China (No. 29872058) and the Teaching and Research Award Program for Outstanding Young Teachers in Higher Education Institutions of MOE, China (to L.-Y. K.).

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