New and simple synthesis of acid azides, ureas and carbamates from carboxylic acids: application of peptide coupling agents EDC and HBTU

Vommina V. Sureshbabu, H. S. Lalithamba, N. Narendra, H. P. Hemantha
  • Organic & Biomolecular Chemistry, January 2010, Royal Society of Chemistry
  • DOI: 10.1039/b920290k