Improves Synthesis of (±)-Praeruptorin A and Other Khellactone Esters by Solvent-free DCC Reactions

@article{BalTembe1989ImprovesSO,
  title={Improves Synthesis of (±)-Praeruptorin A and Other Khellactone Esters by Solvent-free DCC Reactions},
  author={S. Bal-Tembe and D. Bhedi and N. D. Souza},
  journal={Heterocycles},
  year={1989},
  volume={29},
  pages={1675-1679}
}
Esters of 4'-acetylkhellactone such as (+)-praeruptorin A (2) were synthesised in considerably improved yields through use of a low tempeature solvent-free DCC esterification reaction 
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Naturally Occurring Plant Coumarins
Over the past 150 years, since Vogel in 1820 isolated the parent oxygen heterocycle, coumarin (1) from Coumarouna odorata = Dipteryx odorata (1), coumarins have been recognized as widely distributedExpand
The naturally occurring coumarins.
  • R. D. Murray
  • Chemistry, Medicine
  • Fortschritte der Chemie organischer Naturstoffe = Progress in the chemistry of organic natural products. Progres dans la chimie des substances organiques naturelles
  • 2002