[(η
<sup>6</sup>
‐Cyclooctatetraene){η
<sup>5</sup>
‐(+)‐neomenthylcyclopentadienyl}ruthenium(
<scp>II</scp>
)] Hexafluorophosphate: Synthesis and Characterization of a Chiral Mixed Sandwich Complex
作者:Xiaofeng Zhang、Marc H. Prosenc、Timo Meyer‐Friedrichsen、Jürgen Heck
DOI:10.1002/ejic.200390042
日期:2003.1
η5-(+)-neomenthylcyclopentadienyl}ruthenium complexes have been synthesized from (−)-menthol: [(η6-benzene)η5-(+)-neomenthylcyclopentadienyl}ruthenium(II)] hexafluorophosphate (1), [tris(acetonitrile)η5-(+)-neomenthylcyclopentadienyl}ruthenium(II)] hexafluorophosphate (2) and [(η6-cyclooctatetraene)η5-(+)-neomenthylcyclopentadienyl}ruthenium(II)] hexafluorophosphate (3). X-ray structural determination
已经从 (-)-薄荷醇合成了三种不同的 η5-(+)-新薄荷基环戊二烯基}钌配合物:[(η6-苯)η5-(+)-新薄荷基环戊二烯基}钌 (II)] 六氟磷酸盐 (1), [tris (乙腈)η5-(+)-新薄荷基环戊二烯基}钌(II)]六氟磷酸盐(2)和[(η6-环辛四烯)η5-(+)-新薄荷基环戊二烯基}钌(II)]六氟磷酸盐(3)。3 的 X 射线结构测定(空间群 P212121)和 NMR 光谱研究表明它在固相和溶液相中均以单一立体异构体形式存在,[α]20D = +92.5。Cp 配体的手性修饰导致未取代的 COT 配体的所有磁性活性核的非等时性。(© Wiley-VCH Verlag GmbH & Co KGaA, 69451 Weinheim, Germany, 2003)