Starting materials for the design of asymmetrical dandelion dendrimers were synthesized upon the preliminary fixation of suitable amino-alcohols on hexachlorocyclotriphosphazene, N3P3Cl6, as “blockers”. Further linkage of diamines on solid supports leads to the expected asymmetrical moieties.
![5l5,7l5,9l5-1-Oxa-4,6,8,10-tetraaza-5,7,9-triphosphaspiro[4.5]deca-4,6,9-triene,7,7,9,9-tetrachloro-结构式](https://image.chemsrc.com/caspic/447/64487-59-8.png)