Amidoamine-based dendrimers with end-grafted Pd–Fe units: Synthesis, characterization and their use in the Heck reaction
作者:Sascha Dietrich、Anja Nicolai、Heinrich Lang
DOI:10.1016/j.jorganchem.2010.09.063
日期:2011.2
NHCH2)]2 (6-Fe) as well as N(CH2CH2C(O)NHCH2CH2NHC(O)(Fe(η5-C5H4)(η5-C5H4PPh2)))3 (7-Fe) and [CH2N(CH2CH2C(O)NHCH2CH2NHC(O)(Fe(η5-C5H4)(η5-C5H4PPh2)))2]2 (8-Fe) were prepared from Fe(η5-C5H4PPh2)(η5-C5H4CO2H) (3). Using [Pd(η3-C3H5)Cl]2 (4) as palladium source heterobimetallic metallodendrimers (Fe(η5-C5H4PPh2(Pd(η3-C3H5)Cl))(η5-C5H4C(O)NHnC3H7)) (5-Fe–Pd), [Fe(η5-C5H4PPh2(Pd(η3-C3H5)Cl))(η5-C5H4C(O)NHCH2)]2
描述了具有杂双金属末端接枝的酰胺基二茂铁基-钯-烯丙基氯化物单元的新型基于酰胺基胺的金属树枝状大分子的合成和表征。树枝状聚合物(铁((η 5 -C 5 H ^ 4 PPH 2)(η 5 -C 5 H ^ 4))C(O)HNCH 2 CH 2 NHC(O)CH 2 CH 2)N [CH 2 CH 2 N( CH 2 CH 2 C(O)NHCH 2 CH 2 NH-C(O)(铁(η 5 -C 5 H ^ 4)(η 5 -C5 ħ 4 PPH 2)))2 ] 2(9 -铁)和相应的金属物种铁(Fe((η 5 -C 5 H ^ 4 PPH 2钯(Pd(η 3 -C 3 H ^ 5)Cl)的)(η 5 -C 5 H 4))C(O)HNCH 2 CH 2 NHC(O)CH 2 CH 2)N [CH 2 CH 2 N(CH 2 CH 2 C(O)NHCH 2 CH 2NHC(O)(铁(η 5 -C 5 H