Preparation, Structure and Reactivity of Polynuclear Gold(I) Phosphanyl Alkanethiolates
作者:Antonella Battisti、Oliver Bellina、Pietro Diversi、Serena Losi、Fabio Marchetti、Piero Zanello
DOI:10.1002/ejic.200600939
日期:2007.2
by [FeCp 2 ]BF 4 produces disulfide and cationic gold(I) complexes of formula [Au 2 (SR](L) 2 ][BF 4 ] and [Au2(SR)(dppe)][BF4], characterized by elemental analysis, mass spectrometry and 1 H and 31 P NMR spectroscopy. All the complexes are presumably dimeric in the solid state as shown in the case of [Au 4 (SCMe 3 ) 2 -(dppe) 2 ][BF 4 ] 2 (5e) and [Au 4 (SCH 2 CMe 3 ) 2 (PMe 3 ) 4 ][BF 4 ] 2 (7a), which
式 [Au(SR)] n (R = CMe 3 , CH 2 CMe 3 , CH 2 CHMe 2 , CPh 3 ) 的均质金 (I) 硫醇盐已转化为通式 [Au(SR) 的磷烷衍生物-(L)] (L = PMe 3 , PMe 2 Ph, PMePh 2 , PPh 3 ) 和 [Au 2 (SR) 2 (dppe)] [dppe = 1,2-双(二苯基膦基)乙烷]通过元素分析、质谱、 1 H 和 31 P NMR 光谱和循环伏安法表征。配合物 [Au(SCMe 3 )(PMePh 2 )] (1c)、[Au 2 (SCMe 3 ) 2 (dppe)] (1e) 和 [Au(SCH 2 CMe 3 )(PPh 3 )) (3d)通过 X 射线衍射表征为固态:未发现亲金相互作用。这些磷烷硫醇基衍生物的电化学行为显示出两个不可逆的氧化过程,第一个过程涉及每个 Au-SR 0.5 个电子。