Synthesis and Lanthanide Coordination Chemistry of Phosphine Oxide Decorated Dibenzothiophene and Dibenzothiophene Sulfone Platforms
作者:Daniel Rosario-Amorin、Sabrina Ouizem、Diane A. Dickie、Robert T. Paine、Roger E. Cramer、Benjamin P. Hay、Julien Podair、Lætitia H. Delmau
DOI:10.1021/ic500471w
日期:2014.6.2
Syntheses for new ligands based upon dibenzothiophene and dibenzothiophene sulfone platforms, decorated with phosphine oxide and methylphosphine oxide donor groups, are described. Coordination chemistry of 4,6-bis(diphenylphosphinoylmethyl)dibenzothiophene (8), 4,6-bis(diphenylphosphinoylmethyl)dibenzothiophene-5,5-dioxide (9) and 4,6-bis(diphenylphosphinoyl)dibenzothiophene-5,5-dioxide (10) with lanthanide
描述了基于二苯并噻吩和二苯并噻吩砜平台的新配体的合成,并用氧化膦和甲基氧化膦供体基团修饰。4,6-双(二苯基膦酰基甲基)二苯并噻吩(8),4,6-双(二苯基膦酰基甲基)二苯并噻吩-5,5-二氧化物(9)和4,6-双(二苯基膦酰基)二苯并噻吩-5,5-二氧化物的配位化学(10)用硝酸镧系元素勾勒出Ln(NO 3)3 ·(H 2 O)n的轮廓,晶体结构测定显示了在Ln(III)离子上的一系列螯合相互作用。硝酸对溶剂萃取性能的依赖性9和10在1,2-二氯乙烷为铕(III)和AM(III)中描述并与针对相关二苯并呋喃配体的萃取行为(2,3 ; R = PH)和Ñ辛基(苯基) - ñ,Ñ -diisobutylcarbamoylmethyl在相同条件下测得的氧化膦(4)。