E. Lork et al., P3N3F5NPF2NPF2NPF52- - A CYCLOPHOSPHAZENE WITH A PHOSPHAZENE SIDE-CHAIN DIANION BY F--INDUCED RING-OPENING OF P3N3F6, Journal of the Chemical Society, Chemical Communications, (17), 1995, pp. 1717-1718
[(Me(2)NS+](2) [P3N3F5NPF2NPF2NPF5](2-) is prepared from the reaction
of (Me(2)N)(3)S(+)Me(3)SiF(2)(-) and P3N3F6 and its X-ray crystal stru
cture determined.