Biologically relevant mono- and di-nuclear manganese ii/iii/iv complexes of mononegative pentadentate ligandsElectronic supplementary information (ESI) available: The ESI mass spectra of 1 at various tube-lens potentials. See http://www.rsc.org/suppdata/dt/b3/b300823a/
作者:Carole Baffert、Marie-Nöelle Collomb、Alain Deronzier、Sanne Kjærgaard-Knudsen、Jean-Marc Latour、Kirsten H. Lund、Christine J. McKenzie、Martin Mortensen、Lars Preuss Nielsen、Niels Thorup
DOI:10.1039/b300823a
日期:2003.4.17
Manganese(II) complexes of mononegative pentadentate N4O ligands [Mn2(mgbpen)2(H2O)2](ClO4)2 (1), (mgbpen− = N-methyl-N′-glycyl-N,N′-bis(2-pyridylmethyl)ethane-1,2-diamine) and [Mn2(bzgbpen)2(H2O)2](ClO4)2 (2), (bzgbpen− = N-benzyl-N′-glycyl-N,N′-bis(2-pyridylmethyl)ethane-1,2-diamine) have been prepared. The crystal structure of the Mn(II)–aqua complex of 1, shows it to be dimeric via (μ-κO)-bridging
单负五齿N 4 O的锰(II)配合物配体[锰2(mgbpen)2(H 2 O)2 ](CLO 4)2 (1),(mgbpen - = N-甲基-N'-甘氨酰-N,N'-双(2-吡啶基甲基)乙烷-1,2-二胺)和[锰2(bzgbpen)2(H 2 O)2 ](CLO 4)2 (2),(bzgbpen - = N-苄基-N'-甘氨酰-N,N'-双(2-吡啶基甲基)乙烷-1,2-二胺)已经准备好了。锰的晶体结构(II)-Aqua络合物的1,示出它是二聚体经由(μ-κ ö)-bridging通过一个羧酸盐每两个中的氧原子配体。非配位的羧酸氧原子与氢键结合水 配体在相邻的Mn离子上。磁耦合相互作用弱且反铁磁,J = -1.3(1)cm -1。1和2的二聚体结构保留在溶液中,可以存在于气相中。配合物1和2具有空气稳定性,但可以被以下物质氧化Ť BuOOH产生不稳定的单核锰(III)配合物,或氧代桥联二