1: methyl(diphenyl)phosphine oxide With n-butyllithium in tetrahydrofuran
T=0°C; 0.25 h;
2: ethyl acetate in tetrahydrofuran
T=-78°C; 3.5 h; Further stages.;
参考文献
Fox, David J.; Pedersen, Daniel Sejer; Warren, Stuart
Organic and Biomolecular Chemistry, 2006 , vol. 4, # 16 p. 3102 - 3107