作者:Yuliang Yang、Lihua Guo、Zhenzhen Tian、Xingxing Ge、Yuteng Gong、Hongmei Zheng、Shaopeng Shi、Zhe Liu
DOI:10.1021/acs.organomet.9b00080
日期:2019.4.22
sufficient stability in aqueous solution. Most of the complexes showed good anticanceractivities toward A549 cancer cells, which were higher than the clinical drug cisplatin. In this series, complex Ir8 displayed the highest anticanceractivity against A549 cells (IC50 = 4.7 μM), showing an approximately 4.5-fold more potent activity than cisplatin (IC50 = 21.30 μM). The structure–activity relationship
heterofunctional phosphine ligand PPh2NH(2-Py), PPh2(o-C6H4)CH=N-(CH2)nPh (n = 0–3) and PPh2(o-C6H4)CH=N-(CH2)n-(2-Py) (n = 1 or 2) towards Rh(I) and Rh(III) are reported and examples of neutral and cationic complexes containing bi-dentate PˆN or tri-dentate PˆNˆN and NˆNˆC chelating modes of coordination are found. The synthesized complexes were characterized using different analytical and spectroscopic techniques
杂功能膦配体PPh 2 NH(2-Py),PPh 2(oC 6 H 4)CH = N-(CH 2)n Ph(n = 0-3)和PPh 2(oC 6 H 4报道了对Rh(I)和Rh(III)的)CH = N-(CH 2)n-(2-Py)(n = 1或2),并且含有中性和阳离子型双齿PˆN或三齿发现齿状PˆNˆN和NˆNˆC螯合配位模式。使用不同的分析和光谱技术,包括1 H,13 C 1 H}和31 P 1 H} NMR光谱IR光谱,ESI质谱和元素分析。代表性化合物的晶体结构已经通过X射线衍射法确定。已经通过NMR光谱研究了[RhCl(CO)(PˆN)=类型的铑(I)配合物在溶液中的流动行为,以及对MeI和I 2的氧化加成反应性。发现通式[RhCl 2(PˆN)2 ] Cl的铑(III)配合物形成了五种可能的立体异构体中的三种,并且不同的溶剂诱导了这些立体异构体之间的异构化,表明了P
The palladium–iminophosphine catalyst for the reactions of organostannanes
作者:Eiji Shirakawa、Tamejiro Hiyama
DOI:10.1016/s0022-328x(98)01056-0
日期:1999.3
organostannanes with aryl halides. The mechanistic studies show that the reaction of an alkynylstannane proceeds through an unprecedented catalytic cycle which involves an oxidative addition of the organostannane to the Pd(0)–iminophosphine complex. The catalyst was demonstrated to be also useful for the carbostannylation of alkynes and the homocoupling reaction of organostannanes.
An iminophosphine-palladium catalyst for cross-coupling of aryl halides with organostannanes
作者:Eiji Shirakawa、Hiroto Yoshida、Hidemasa Takaya
DOI:10.1016/s0040-4039(97)00747-8
日期:1997.5
A palladium complex bearing iminophosphine ligand, N-(2-diphenylphosphinobenzylidene)-2-phenylethylamine (1), was found to be more catalytically active than others for the cross-coupling of various types of aryl halides with alkynyl-, alkenyl- and arylstannanes to give the corresponding coupling products in high yields. (C) 1997 Elsevier Science Ltd.