New synthetic routes to β-fluoro β-phenyllactic acid derivatives and β-fluorocyanohydrins
作者:A.I. Ayi、M. Remli、R. Condom、R. Guedj
DOI:10.1016/s0022-1139(00)82265-4
日期:1981.6
Alkyl phenyl 2,3-epoxycarboxylates from the well-known Darzens glycidic esters synthesis react under very mild conditions with pyridinium-poly-hydrogen fluoride to give corresponding 3-fluoro 3-phenyllactates in almost quantitative yields with a high regio and stereoselectivity.