1: morpholine With n-butyllithium; phenylacetylene in tetrahydrofuran; hexane T=-78°C; 2: benzoic acid ethyl ester in tetrahydrofuran; hexane T=-78°C; Further stages.;
参考文献
Yim, Sang Jun; Kwon, Chan Ho; An, Duk Keun
Tetrahedron Letters, 2007 , vol. 48, # 31 p. 5393 - 5395