1. Nofre C,Tinti J‐M.1996. Method of preparing a compound derived from aspartame, useful as a sweetening agent. U.S. Patent 5510508.
2. Neotame: Synthesis, stereochemistry, and sweetness;Prakash;Synthetic Commun,1999
3. Prakash I.1998. Method for preparing and purifying an N‐alkylated aspartame derivative. U.S. Patent 5728862.
4. Dong Z,Padden BE,Schroeder SA,Munson EJ,Grant DJW.1999.Preparation and characterization of polymorphs of neotame anhydrate. AAPS Pharm Sci Suppl 1 S‐182, poster number 2351.
5. Dong Z,Padden BE,Salsbury J,Schroeder SA,Prakash I,Munson EJ,Grant DJW.2000.Preparation and characterization of polymorphs of neotame anhydrate. AAPS Pharm Sci Suppl 2, poster number 3616.