1: oxazolidin-2-one With n-butyllithium in tetrahydrofuran T=-78°C; deprotonation; 2: crotonic pivalic anhydride in tetrahydrofuran T=-78 - 20°C; Acylation; Further stages.;
参考文献
Soloshonok, Vadim A.; Cai, Chaozhong; Hruby, Victor J.; Van Meervelt, Luc; Yamazaki, Takashi
Journal of Organic Chemistry, 2000 , vol. 65, # 20 p. 6688 - 6696
