Kazuhiro Nagata, Yusuke Sekishiro, Takashi Itoh. Diastereoselective construction of indolo[2,3-a]quinolizidine skeleton by cycloaddition reaction of 3,4-dihydro-beta-carbolines with gamma,delta-unsaturated beta-ketoesters. HETEROCYCLES. 2007. 72. 175-179
Kazuhiro Nagata, Yusuke Sekishiro, Takashi Itoh. Diastereoselective construction of indolo[2,3-a]quinolizidine skeleton by cycloaddition reaction of 3,4-dihydro-beta-carbolines with gamma,delta-unsaturated beta-ketoesters. HETEROCYCLES. 2007. 72. 175-179