作者:Masaaki Yoshifuji、Naoki Yamada、Andreas Maack、Kozo Toyota
DOI:10.1016/s0040-4039(98)02150-9
日期:1998.12
A sterically protected diphosphinidenecyclobutene with the 2,4,6-tri-tert-butylphenyl group was allowed to react with tert-butyllithium and iodine, successively, to give 2,2',3,3'-tetraphosphinidene-1,1'-bicyclobutyl derivative, and the structure was confirmed by X-ray analysis, showing unusual short contact between the C=P moieties at the 2 and 2' positions. A strong through-space interaction between them appears to play an important role in rationalization of the (31)p NMR and UV/Vis. (C) 1998 Elsevier Science Ltd. All rights reserved.