1: propynoic acid ethyl ester With N-methyl-2-indolinone; diisobutylaluminium hydride in tetrahydrofuran; hexane T=0 - 20°C; Addition; 2: butyraldehyde in tetrahydrofuran; hexane T=20°C; Addition; 4 h;
参考文献
Ramachandran, P. Veeraraghavan; Rudd, Michael T.; Burghardt, Thomas E.; Ram Reddy, M. Venkat
Journal of Organic Chemistry, 2003 , vol. 68, # 24 p. 9310 - 9316