Bis(Cyclopentadienyl)Titanium Complexes of Naphthalene−1,8-Dithiolates, Biphenyl 2,2‘-Dithiolates, and Related Ligands
作者:Stephen M. Aucott、Petr Kilian、Heather L. Milton、Stuart D. Robertson、Alexandra M. Z. Slawin、J. Derek Woollins
DOI:10.1021/ic048483l
日期:2005.4.1
binaphthalene) interconvert more rapidly. Titanocene 2,2'-disulfinato biphenyl has been synthesized by the salt elimination reaction of titanocene dichloride (Ti(IV)) and the disodium salt of biphenyl 2,2'-disulfinic acid. Finally, the effect of using pro-ligands where the sulfur atoms have been mono- or di-oxidized has been studied, and an interesting oxygen elimination reaction is observed for the S=O fragments
通过萘[1,8-cd] -1,2-二硫代[或联苯]与钛茂二羰基(Ti(II) )在室温下于甲苯中。原配体2,7-二(叔丁基)萘并[1,8-cd] -1,2-二硫醇,5,6-二氢ph并[5,6-cd] -1,1,2-二硫醇,4, 5-二硫代苯并菲和13,14-二噻吩并菲已与二茂钛二羰基一起用于相似的反应,以研究空间体积和改变萘骨架对最终配合物的影响。通过温度依赖性(1)H NMR光谱显示了所得的Cp(2)TiS(2)Ar络合物(Ar =萘)以六元TiS(2)C(3)的包膜构象存在于溶液中)环在NMR时间尺度上进行反演,而相似的Cp(2)TiS(2)Ar配合物(Ar =联苯,双萘)互变更快。通过二茂钛二氯化钛(Ti(IV))与联苯2,2'-二亚磺酸二钠盐的盐消除反应合成了钛茂新世2,2'-二硫代二联苯。最后,已经研究了使用硫原子被单-或双-氧化的原配体的效果,并且观察到了有趣的除氧反应,S =