S. Achar et Rj. Puddephatt, LARGE DENDRIMERIC ORGANOPLATINUM COMPLEXES, Journal of the Chemical Society, Chemical Communications, (16), 1994, pp. 1895-1896
New dendrimeric organoplatinum complexes have been prepared by oxidati
ve addition of precursors containing a dimethylplatinum(II) centre to
1,2,4,5-tetrakis(brmomethyl)benzene; the products include a Pt-28 comp
lex which is believed to be the largest reported transition-metal dend
rimer.