Aromatic Ring Synthesis by 1,3-Michael-Claisen Annulation: Formation of Dihydrobenzofurans and Tetrahydrochromans from α-Methylene . gamma.-Butyrolactone and δ-Valerolactone.

@inproceedings{Solladi2010AromaticRS,
  title={Aromatic Ring Synthesis by 1,3-Michael-Claisen Annulation: Formation of Dihydrobenzofurans and Tetrahydrochromans from α-Methylene . gamma.-Butyrolactone and δ-Valerolactone.},
  author={Guy Solladi{\'e} and Dominique Boeffel and Jean Maignan},
  year={2010}
}