نتایج جستجو برای: meta terphenyl

تعداد نتایج: 162129  

2012
Yeojin Jeon Dharmalingam Sivanesan Sungho Yoon

In the title compound, [Fe(C(23)H(21)O(2))(2)(C(5)H(8)N(2))(2)]·CH(2)Cl(2), the Fe(2+) cation is coordinated by the N atoms of two 3,5-dimethyl-pyrazole ligands and the carboxyl-ate O atoms from two tetra-methyl-terphenyl-carboxyl-ate ligands, forming an FeN(2)O(2) polyhedron with a slightly distorted tetra-hedral coordination geometry. Intra-molecular N-H⋯O and C-H⋯O hydrogen-bonding inter-act...

2005
Lihong Chen Hang Yin Bilal Farooqi Said Sebti Andrew D. Hamilton Jiandong Chen

Overexpression or hyperactivation of MDM2 contributes to functional inactivation of wild-type p53 in nearly 50% of tumors. Inhibition of p53 by MDM2 depends on binding between an NH2-terminal (residues 16–28) p53 A-helical peptide and a hydrophobic pocket on MDM2, presenting an attractive target for development of inhibitors against tumors expressing wild-type p53. Here we report that novel p53...

Journal: :Nuclear Instruments and Methods in Physics Research 2021

We present the development of a neutron detector array module made with $\textit{para}$-terphenyl, bright, fast, n/$\gamma$ discriminating crystalline organic scintillator. The is comprised 2 cm $\times$ $\textit{p}$-terphenyl crystals that have been optically coupled together to create $\textit{pseudo-bar}$ module. While only relying on two photo detectors, capable distinguishing interactions ...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 2003
Walter W Weare Xuliang Dai Matthew J Byrnes Jia Min Chin Richard R Schrock Peter Müller

Since our discovery of the catalytic reduction of dinitrogen to ammonia at a single molybdenum center, we have embarked on a variety of studies designed to further understand this complex reaction cycle. These include studies of both individual reaction steps and of ligand variations. An important step in the reaction sequence is exchange of ammonia for dinitrogen in neutral molybdenum(III) com...

Journal: :Chemical communications 2014
Y Makoudi M Beyer J Jeannoutot F Picaud F Palmino F Chérioux

Hydrogen and halogen bonds have been associated for the growth of 2D compact supramolecular networks on a silicon surface. These interactions have been elucidated in a complete monolayer of a 4,4''-dibromo-p-terphenyl (DBT) molecule on a Si(111)-B surface by combining scanning tunneling microscopy (STM) and density functional theory (DFT) calculations.

Journal: :Chemical communications 2011
Mason A Stewart Curtis E Moore Treffly B Ditri Liezel A Labios Arnold L Rheingold Joshua S Figueroa

The m-terphenyl isocyanides CNAr(Mes2) and CNAr(Dipp2) support five-coordinate, isocyanide/carbonyl monoanions of manganese. For CNAr(Dipp2), a bis-isocyanide anion is available that is remarkably well behaved upon reaction with electrophiles. Most notable is the formation of an unprecedented chloride-substituted metallostannylene.

Journal: :Journal of the American Chemical Society 2010
Alexandra Velian Sibo Lin Alexander J M Miller Michael W Day Theodor Agapie

Mono- and bimetallic complexes of nickel supported by a terphenyl diphosphine have been synthesized. The reported complexes show diverse metal-arene interactions in the solid state. Reactions of an o,o'-biphenyldiyl dinickel complex with CO and dichloroalkanes lead to fluorene derivatives, indicating the formation of carbon-carbon bonds at a bimetallic moiety.

Journal: :Journal of the American Chemical Society 2013
Sibo Lin David E Herbert Alexandra Velian Michael W Day Theodor Agapie

A para-terphenyl diphosphine was employed to support a dipalladium(I) moiety. Unlike previously reported dipalladium(I) species, the present system provides a single molecular hemisphere for binding of ligands across two metal centers, enabling the characterization and comparison of the binding of a wide variety of saturated and unsaturated organic molecules. The dipalladium(I) terphenyl diphos...

Journal: :Optics express 2011
Yuan Chen Haiqing Xianyu Jie Sun Przemyslaw Kula Roman Dabrowski Suvagata Tripathi Robert J Twieg Shin-Tson Wu

A partially fluorinated terphenyl liquid crystal with low absorption in both mid-wave infrared (MWIR) and near IR regions is developed and its properties evaluated. This compound exhibits a nematic phase (although only about 2 °C), reasonably high birefringence (Δn~0.2), low visco-elastic coefficient, and modest dielectric anisotropy (Δε = -2.7). This compound serves as an important first examp...

Journal: :Dalton transactions 2010
Ja-Min Gu Tae-Hwan Kwon Ji-Hyun Park Seong Huh

A Zn-MOF assembled from a new C(2h)-symmetric terphenyl dicarboxylate and DABCO was prepared and characterized by X-ray crystallography and gas sorption analysis: a preferential sorption of CO(2) over N(2) and H(2) was observed with an exceptionally high CO(2) adsorption enthalpy.

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