Reaction of gem-diphenyltetrafluorophosphazene,[1, 1-(C6H5) 2] P3N3F4 (1) with LiO (CH2) 3OLi resulted in the formation of four products, spiro-{3, 3-[O (CH2) 3O]}[1, 1-(C6H5) 2] P3N3F2 (2), ansa-{3, 5-[O (CH2) 3O]}[1, 1-(C6H5) 2P3N3F2](3), bridged-[1, 1-(C6H5) 2N3P3F3][O (CH2) 3O][1, 1-(C6H5) 2N3P3F3](4) and dangling-[HO (CH2) 3O][1, 1-(C6H5) 2P3N3F3](5) derivatives of 1, among which compound 5 was found to be the major ...