Conductive zigzag Pd(iii)–Br chain complex realized by a multiple-hydrogen-bond approach

CrystEngComm ◽  
2020 ◽  
Vol 22 (23) ◽  
pp. 3999-4004 ◽  
Author(s):  
Mohammad Rasel Mian ◽  
Unjila Afrin ◽  
Hiroaki Iguchi ◽  
Shinya Takaishi ◽  
Takefumi Yoshida ◽  
...  
Keyword(s):  
Hydrogen Bond ◽  
Metal Complexes ◽  
Oxidation State ◽  
Chain Complex ◽  
Multiple Hydrogen Bond ◽  
First Time ◽  
Zigzag Structure

Coexistence of zigzag structure and the uncommon Pd(iii) oxidation state in quasi-1D halogen-bridged metal complexes was realized in a conductive Br-bridged Pd chain complex, [Pd(dabdOH)2Br]SO4·3H2O (2), for the first time.

scholarly journals Organocatalytic asymmetric Henry reaction of 1H-pyrrole-2,3-diones with bifunctional amine-thiourea catalysts bearing multiple hydrogen-bond donors

2016 ◽  
Vol 12 ◽  
pp. 295-300 ◽  
Author(s):  
Ming-Liang Zhang ◽  
Deng-Feng Yue ◽  
Zhen-Hua Wang ◽  
Yuan Luo ◽  
Xiao-Ying Xu ◽  
...  
Keyword(s):  
Hydrogen Bond ◽  
Henry Reaction ◽  
Multiple Hydrogen Bond ◽  
Catalytic Asymmetric ◽  
Quaternary Stereocenters ◽  
First Time ◽  
Hydrogen Bond Donors

For the first time, a catalytic asymmetric Henry reaction of 1H-pyrrole-2,3-diones was achieved with a chiral bifunctional amine-thiourea as a catalyst possessing multiple hydrogen-bond donors. With this developed method, a range of 3-hydroxy-3-nitromethyl-1H-pyrrol-2(3H)-ones bearing quaternary stereocenters were obtained in acceptable yield (up to 75%) and enantioselectivity (up to 73% ee).

Multiple-Hydrogen-Bond Approach to Uncommon Pd(III) Oxidation State: A Pd–Br Chain with High Conductivity and Thermal Stability

2017 ◽  
Vol 139 (19) ◽  
pp. 6562-6565 ◽  
Author(s):  
Mohammad Rasel Mian ◽  
Hiroaki Iguchi ◽  
Shinya Takaishi ◽  
Hideaki Murasugi ◽  
Tatsuya Miyamoto ◽  
...  
Keyword(s):  
Thermal Stability ◽  
Hydrogen Bond ◽  
Oxidation State ◽  
High Conductivity ◽  
Multiple Hydrogen Bond

Interaction of Gold Atom with Clusters of Water: Few Computational Mise-En-Scènes with Hydrogen Bonding Motif

2008 ◽  
Vol 73 (11) ◽  
pp. 1457-1474 ◽  
Author(s):  
Eugene S. Kryachko
Keyword(s):  
Hydrogen Bond ◽  
Hydrogen Bonding ◽  
Computational Model ◽  
Photoelectron Spectroscopy ◽  
Water Clusters ◽  
Gold Atom ◽  
Proton Acceptor ◽  
Anion Photoelectron Spectroscopy ◽  
Relationship Of ◽  
First Time

The present work outlines the fair relationship of the computational model with the experiments on anion photoelectron spectroscopy for the gold-water complexes [Au(H2O)1≤n≤2]- that is established between the auride anion Au- and water monomer and dimer thanks to the nonconventional hydrogen bond where Au- casts as the nonconventional proton acceptor. This work also extends the computational model to the larger complexes [Au(H2O)3≤n≤5]- where gold considerably thwarts the shape of water clusters and even particularly breaks their conventional hydrogen bonding patterns. The fascinating phenomenon of the lavish proton acceptor character of Au- to form at least six hydrogen bonds with molecules of water is computationally unveiled in the present work for the first time.

Multiple Hydrogen-Bond Array Reinforced Cellular Polymer Films from Colloidal Crystalline Assemblies of Soft Latex Particles

2012 ◽  
Vol 1 (5) ◽  
pp. 603-608 ◽  
Author(s):  
Yunhua Chen ◽  
Samuel T. Jones ◽  
Ian Hancox ◽  
Richard Beanland ◽  
Edward J. Tunnah ◽  
...  
Keyword(s):  
Hydrogen Bond ◽  
Polymer Films ◽  
Latex Particles ◽  
Multiple Hydrogen Bond ◽  
Cellular Polymer

Multiple hydrogen-bond-induced supramolecular nanostructure from a pincer-like molecule and a [60]fullerene derivative

Tetrahedron ◽  
2005 ◽  
Vol 61 (36) ◽  
pp. 8686-8693 ◽  
Author(s):  
Junpeng Zhuang ◽  
Weidong Zhou ◽  
Xiaofang Li ◽  
Yongjun Li ◽  
Ning Wang ◽  
...  
Keyword(s):  
Hydrogen Bond ◽  
Fullerene Derivative ◽  
Multiple Hydrogen Bond

scholarly journals Synthesis and Characterization of Super Bulky β-Diketiminato Group 1 Metal Complexes

Inorganics ◽  
2021 ◽  
Vol 9 (9) ◽  
pp. 72
Author(s):  
Dafydd D. L. Jones ◽  
Samuel Watts ◽  
Cameron Jones
Keyword(s):  
Nmr Spectroscopy ◽  
Alkali Metal ◽  
Metal Complexes ◽  
Oxidation State ◽  
Synthesis And Characterization ◽  
X Ray Crystallography ◽  
Low Oxidation State ◽  
Bulky Ligand ◽  
Group 1

Sterically bulky β-diketiminate (or Nacnac) ligand systems have recently shown the ability to kinetically stabilize highly reactive low-oxidation state main group complexes. Metal halide precursors to such systems can be formed via salt metathesis reactions involving alkali metal complexes of these large ligand frameworks. Herein, we report the synthesis and characterization of lithium and potassium complexes of the super bulky anionic β-diketiminate ligands, known [TCHPNacnac]− and new [TCHP/DipNacnac]− (ArNacnac = [(ArNCMe)2CH]−) (Ar = 2,4,6-tricyclohexylphenyl (TCHP) or 2,6-diisopropylphenyl (Dip)). The reaction of the proteo-ligands, ArNacnacH, with nBuLi give the lithium etherate compounds, [(TCHPNacnac)Li(OEt2)] and [(TCHP/DipNacnac)Li(OEt2)], which were isolated and characterized by multinuclear NMR spectroscopy and X-ray crystallography. The unsolvated potassium salts, [{K(TCHPNacnac)}2] and [{K(TCHP/DipNacnac)}∞], were also synthesized and characterized in solution by NMR spectroscopy. In the solid state, these highly reactive potassium complexes exhibit differing alkali metal coordination modes, depending on the ligand involved. These group 1 complexes have potential as reagents for the transfer of the bulky ligand fragments to metal halides, and for the subsequent stabilization of low-oxidation state metal complexes.

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