The reaction between [RhC5H4CO2(CH)2OH}(NBD)] (1) and 1,1â²-carbonyldiimidazole (CDI) leads to the new CO2âimidazole functionalized alkoxycarbonylcyclopentadienyl complex [RhC5H4CO2(CH2)2O2CâIm}(NBD)] (2) (Im = imidazole). The latter was treated with five generations of poly(propylenimine) dendrimers DAB-dendr-(NH2)n nâ=â4, 8, 16, 32, 64} (DAB = diaminobutane) to accomplish the synthesis of the new organometallic dendritic macromolecules DAB-dendr-[NH(O)COCH2CH2OC(O)C5H4Rh(NBD)]n nâ=â4 (4), 8 (5), 16 (6), 32 (7), 64 (8)} based on flexible poly(propylenimine) dendrimer cores, built up to the fifth generation. Spectroscopic characterization of all the new compounds will be presented and discussed.
                                    [RhC5H4   (CH)2OH}(NBD)]Â (1) 与 1,1â²-羰基二
咪唑 (
CDI) 反应生成了新的 
CO2â
咪唑官能化烷氧基羰基
环戊二烯络合物 [RhC5H4   (
CH2)2O2CâIm}(NBD)]Â (2)Â (Im =
咪唑)。后者用五代聚(
丙烯亚胺)树枝状聚合物 
DAB-dendr-(NH2)n nâ=â4, 8, 16, 32、64}Â(
DAB = 二
氨基
丁烷),合成了以柔性聚(
丙烯亚胺)树枝状聚合物为核心的新型有机
金属树枝状大分子 
DAB-dendr-[NH(O)CO      OC(O)C5H4Rh(NBD)]n nâ=â4 (4)、8 (5)、16 (6)、32 (7)、64 (8)},直至第五代。将对所有新化合物的光谱特性进行介绍和讨论。