1: pentan-3-one With sodium hydride in diethyl ether 2: propionic acid ethyl ester in diethyl ether T=0 - 20°C; 12 h; Further stages.;
参考文献
Rodriguez, Raphael; Adlington, Robert M.; Eade, Serena J.; Walter, Magnus W.; Baldwin, Jack E.; Moses, John E.
Tetrahedron, 2007 , vol. 63, # 21 p. 4500 - 4509