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Planta Med 1996; 62(5): 480-481
DOI: 10.1055/s-2006-957948
Letter

© Georg Thieme Verlag Stuttgart · New York

Revised Assignment of 1H-NMR Signals of Artemisinic Acid

Soo-Un Kim1 , Jaehong Han1 , Yoong-Ho Lim2
  • 1Department of Agricultural Chemistry and The Research Center for New Biomaterials in Agriculture, Seoul National University, Suwon 441-744, Korea
  • 2Department of Agricultural Chemistry, Konkuk University, Seoul 133-701, Korea
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1995

1996

Publication Date:
04 January 2007 (online)

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Abstract

The correct 1H-NMR assignment of artemisinic acid was achieved through COSY, HETCOR, DEPT, J-resolved, and NOESY techniques. The present experiments supplemented by molecular mechanics calculations could correct some previously misinterpreted signals, notably of H-2s, H-3s, and H-6. The results should be helpful in further work with this important artemisinin-analogue precursor.

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