1. Isfahan, Iran: Department of Medicinal Chemistry, School of Pharmacy, Isfahan University. Permanent address:
2. Ohta, M. and Kato, H. 1968.Nonbenzenoid Aromatics, Edited by: Snyder, J. P. 117–248. New York: Academic Press.
3. Reaction of α-Haloketones with Na2S2O4. A Convenient Dehalogenation Procedure
4. The relatively low yield for aminosydnone (2b) is almost certainly due to the poor solubility of the product (1b) in the extraction solvent, dichloromethane