Peptide sweeteners. 7. Taste relationships of trifluoroacetyl-L-aspartylanilides

Abstract
A series of analogs of trifluoroacetyl-.alpha.-L-aspartylanilides substituted at various positions on the aromatic ring was synthesized and tasted. The position of the substitution is essential for the nature of the taste response. The close relationship between sweet and bitter taste for these compounds was established. Combined electronic and topochemical contributions were discussed.