3-Substituted-3-fluoropyruvic acids and their esters and salts, and production thereof.

摘要

A3-substituted-3-fluoropyruvic acid and its ester and salt of the formula:
<Chemistry id="chema01" num="0001"><Image id="ia01" he="14" wi="54" file="IMGA0001.TIF" imgContent="chem" imgFormat="TIFF" inline="no" /></Chemistry>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.