PdII Complexes with N-(Diadamantylphosphanyl)diaminocarbene and Related Ligands: Synthesis and Catalytic Applications in Intermolecular Alkyne Hydroaminations
A new N-diadamantylphosphanyldiaminocarbene 5 is prepared, isolated, and characterized. The carbene appears to be much more stable than previously reported di-tert-butyl congeners. The molecular structure of the carbene is determined by X-ray diffraction
Marchenko, Anatoliy,Koidan, Georgyi,Hurieva, Anastasiya,Kostyuk, Aleksandr,Franco, Dario,Baron, Marco,Biffis, Andrea
supporting information
p. 652 - 658
(2018/02/06)
Single-Step Synthesis of Dinuclear Neutral Gold(I) Complexes with Bridging Di(N-heterocyclic carbene) Ligands and Their Catalytic Performance in Cross Coupling Reactions and Alkyne Hydroamination
We report on a single-step procedure for the synthesis of dinuclear gold(I) complexes with bridging di(N-heterocyclic carbene) (diNHC) ligands of general formula Au2Br2L1-9 (L = diNHC). The obtained complexes differ in the bridging group between the carbene donors and in the terminal wingtip substituents at the imidazol-2-ylidene rings. The complexes have been characterized by means of elemental analysis, NMR spectroscopy, ESI-MS spectrometry, and single-crystal X-ray structure analysis. The dinuclear gold(I) complexes have been tested as homogeneous catalysts in technologically relevant reactions such as the cross coupling between phenylboronic acid and aryl bromides and the intermolecular hydroamination of alkynes. The catalytic performance has been compared for complexes Au2Br2L1-9 and the benchmark mononuclear complex IPrAuCl.
Ethyl-Zinc(II)-Cation Equivalents: Synthesis and Hydroamination Catalysis
Ion-like ethylzinc(II) compounds with weakly coordinating aluminates [Al(ORF)4]- and [(RFO)3Al-F-Al(ORF)3]- (RF=C(CF3)3) were synthesi
Petersen,Tausch,Schaefer,Scherer,Roesky,Krossing
supporting information
p. 13696 - 13702
(2015/09/22)
Comparison of decamethyldizincocene [(η5-Cp*) 2Zn2] versus decamethylzincocene [Cp*2Zn] and diethylzinc Et2Zn as precatalysts for the intermolecular hydroamination reaction
A comparison of the Zn-Zn bonded species [(η5-Cp*) 2Zn2] versus the related organometallic zinc compound [Cp*2Zn] and ZnEt2 for the intermolecular hydroamination reaction in the presence of equimolar
Luehl, Anja,Hartenstein, Larissa,Roesky, Peter W.,Blechert, Siegfried
p. 7109 - 7116,8
(2020/09/02)
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