3-Substituted-3-fluoropyruvic acids and their esters and salts, and
申请人:Daikan Kogyo Co., Ltd.
公开号:US04390702A1
公开(公告)日:1983-06-28
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.
一种化合物及其酯和盐的化学式为:##STR1## 其中 R 为低碳基、低碳酰基、氟代低碳酰基、取代或未取代苯基或取代或未取代吡啶基,R' 为氢原子、酯形成残基或盐形成残基。本发明涉及该化合物及其酯和盐的制备方法。
3-Substituted-3-fluoropyruvic acids and their esters and salts, and production thereof
申请人:Daikin Kogyo Co., Ltd.
公开号:EP0031982B1
公开(公告)日:1985-06-05
US4390702A
申请人:——
公开号:US4390702A
公开(公告)日:1983-06-28
.alpha.-Fluorination of ketones. 1. Direct fluorination of pyruvic acid derivatives by using molecular fluorine