Organometallic Ruthenium(II) Diamine Anticancer Complexes: Arene-Nucleobase Stacking and Stereospecific Hydrogen-Bonding in Guanine Adducts
作者:Haimei Chen、John A. Parkinson、Simon Parsons、Robert A. Coxall、Robert O. Gould、Peter J. Sadler
DOI:10.1021/ja017482e
日期:2002.3.1
[(eta(6)-DHA)Ru(II)(en)Cl][PF(6)] (3, DHA = 9,10-dihydroanthracene) with guanine derivatives, in the solid state by X-ray crystallography, and in solution using 2D [(1)H,(1)H] NOESY and [(1)H,(15)N] HSQC NMR methods. Strong pi-pi arene-nucleobase stacking is present in the crystal structures of [(eta(6)-C(14)H(14))Ru(en)(9EtG-N7)][PF(6)](2).(MeOH) (6) and [(eta(6)-C(14)H(12))Ru(en)(9EtG-N7)][PF(6)](2)
[(eta(6)-arene)Ru(II)(en)Cl][PF(6)](en = 乙二胺)类型的有机金属钌 (II) 芳烃抗癌配合物特异性靶向 DNA 寡聚体的鸟嘌呤碱基并形成单功能加合物 (Morris, R., et al. J. Med. Chem. 2001)。我们已经确定了“钢琴凳”复合物的单功能加合物的结构 [(eta(6)-Bip)Ru(II)(en)Cl][PF(6)] (1, Bip = 联苯), [( eta(6)-THA)Ru(II)(en)Cl][PF(6)] (2, THA = 5,8,9,10-四氢蒽),和 [(eta(6)-DHA)Ru( II)(en)Cl][PF(6)] (3, DHA = 9,10-dihydroanthracene) 与鸟嘌呤衍生物,通过 X 射线晶体学呈固态,并在溶液中使用 2D [(1)H,( 1)H] NOESY 和 [(1)H,(15)N]