A Convenient Synthesis of Pyrazolylpyrazoles Using α-Oxo Ketene S,S-and N,S-Acetals
Han Song CHEN, Zheng Ming LI, Zhong Wen WANG
A Convenient Synthesis of Pyrazolylpyrazoles Using α-Oxo Ketene S,S-and N,S-Acetals
Han Song CHEN, Zheng Ming LI, Zhong Wen WANG
中国化学快报 . 1999, (08): 643 -646 .