Aspartyl amide sweetening agents
 An ester compound of the formula: ##EQU1## wherein R.sup.1 is hydrogen or hydroxy, R.sup.2 is alkyl of one to five carbon atoms, alkenyl of two to three carbon atoms, cycloalkyl of three to five carbon atoms or methylcycloalkyl of four to six carbon atoms and Y is alkylene of one to four carbon atoms, is disclosed. Several methods for preparing the compound[I] are also disclosed. The compound[I] is useful as a non-nutritive sweetening agent. 
Tanabe Seiyaku Co., Ltd.
C Y
C07C Y10S
inventional additional
Munetugu Ichiro Toshiyuki Keisuke Hiroshi
Miyoshi Chibata Fujii Kawashima Ito