Hu J, Xu Y, Zhu Z, Zhang J
Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 116023 Dalian.
Guang Pu Xue Yu Guang Pu Fen Xi. 1998 Feb;18(1):46-8.
The characteristic infrared spectra of alpha,alpha'-dioxoketene cyclic N,N-acetals have been studied and the changing rules with the change of chemical structure have been discussed.