Summary.
A series of 3-hydroxy- and 3-bromobutyl-substituted isocoumarins was synthesized. The absolute configurations of three isocoumarin derivatives from Artemisia dracunculus, namely (−)-epoxyartemidin, (−)-2′-methoxydihydroartemidin, and (+)-3′-hydroxyartemidin were determined by chemical means via derivatization, kinetic racemate resolution (Horeau method), and comparison of the circular dichroism (CD) spectra.
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Received March 17, 2003; accepted March 19, 2003 Published online August 18, 2003
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Lutz-Kutschera, G., Engelmeier, D., Hadacek, F. et al. Synthesis of Side Chain Substituted 3-Butylisocoumarins and Absolute Configurations of Natural Isocoumarins from Artemisia dracunculus . Monatshefte für Chemie 134, 1195–1206 (2003). https://doi.org/10.1007/s00706-003-0046-6
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DOI: https://doi.org/10.1007/s00706-003-0046-6