CJCU
Studies on the Synthesis of Amino Acids ( Ⅸ)--Solid-Liquid Phase Transfer Catalystic Condensation of 1,4-Diacetylpiperazine-2, 5-dione with Aldehvdes
Zhou Xiao-ming, Shi Yao-zeng, Du Zheng-ming, Hu Hong-wen
Chem. J. Chinese Universities . 1991, (3): 336 -339 .