2,6-二取代苯乙酮苯脘在多聚磷酸(PPA)存在下的成环反应

张正,邱玉珠,杭超,胡宏纹

Cyclizations of 2,6-disubstituted acetophenone phenylhydrazones in the presence of polyphosphoric acid

ZHANG ZHENG;QIU YUZHU;HANG CHAO;HU HONGWEN

有机化学 . 1990, (1): 66 -70 .