Observation of neighboring ortho-hydroxyl group participation in organocatalytic asymmetric sequential Michael-lactonization reactions: synthesis of highly substituted chiral spirodihydrocoumarins

Dhevalapally B. Ramachary, R. Madhavachary, M. Shiva Prasad
  • Organic & Biomolecular Chemistry, January 2012, Royal Society of Chemistry
  • DOI: 10.1039/c2ob07122c