A 3-substituted-3-fluoropyruvic acid and its ester and salt of the formula: ##STR1## wherein R is a lower alkyl group, a lower alkanoyl group, a fluorinated lower alkanoyl group, a substituted or unsubstituted phenyl group or a substituted or unsubstituted pyridyl group and R' is a hydrogen atom, an ester-forming residue or a salt-forming residue, and their production.
一种公式为:##STR1##的3-取代-
3-氟丙酸及其酯和盐,其中R为较低的烷基基团、较低的烷酰基团、
氟代的较低烷酰基团、取代或未取代的苯基团或取代或未取代的
吡啶基团,R'为氢原子、酯形成残基或盐形成残基,以及它们的制备。