Revisiting dithiadiaza macrocyclic chelators for copper-64 PET imaging


Sergey Shuvaev, Elizaveta A. Suturina, Nicholas J. Rotile, Andrei Astashkin, Christopher J. Ziegler, Alana W. Ross, Tia L. Walker, Peter Caravan and Ian S. Taschner
Dalton Trans., 2020,49, 14088-14098
From themed collection: Dalton Transactions HOT Articles

Abstract

Copper-64 complex with a new dithiadiaza macrocyclic chelator was evaluated as a PET tracer.


A new microporous 12-ring zincosilicate THK-2 with many terminal silanols characterized by automated electron diffraction tomography


Yasuhiro Sakamoto, Haishuang Zhao, Hermann Gies, Katsutoshi Yamamoto, Ute Kolb and Takuji Ikeda
Dalton Trans., 2020,49, 12960-12969
From themed collection: Dalton Transactions HOT Articles

Abstract

The crystal structure of a new microporous zincosilicate THK-2 was elucidated by using the automated electron diffraction tomography (ADT) approach. The framework of THK-2 consisted of 4-, 5-, 6-, and 12-rings and included a disordered ZnO4.


Ligand effects on electronic structure and bonding in U(III) coordination complexes: a combined MCD, EPR and computational study


Nikki J. Wolford, Xiaojuan Yu, Suzanne C. Bart, Jochen Autschbach and Michael L. Neidig
Dalton Trans., 2020,49, 14401-14410
From themed collection: Dalton Transactions HOT Articles

Abstract

Spectroscopy and theory enable broader insight into electronic structure and bonding in U(III) coordination complexes, focusing on systems with Tp* ligands.


Ruthenium complexes as prospective inhibitors of metallo-β-lactamases to reverse carbapenem resistance


Cheng Chen and Kewu Yang
Dalton Trans., 2020,49, 14099-14105
From themed collection: Dalton Transactions HOT Articles

Abstract

The widespread prevalence of metallo-β-lactamase (MβL)-mediated pathogens has seriously caused a loss of efficacy of carbapenem antibacterials, the last resort for the treatment of severe infectious diseases.


Facile solution synthesis of Bi3+/Yb3+ ions co-doped Cs2Na0.6Ag0.4InCl6 double perovskites with near-infrared emission


Guodong Zhang, Yi Wei, Peipei Dang, Hui Xiao, Dongjie Liu, Xinke Li, Ziyong Cheng and Jun Lin
Dalton Trans., 2020,49, 15231-15237
From themed collection: Dalton Transactions HOT Articles

Abstract

A facile solution synthesis method was developed to produce Cs2Na0.6Ag0.4InCl6:Bi,Yb with a visible emission (400–800 nm) and an NIR emission, which originates from STEs-to-Yb3+ energy transfer.


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Real-time analysis of Pd2(dba)3 activation by phosphine ligands


Eric Janusson, Harmen S. Zijlstra, Peter P. T. Nguyen, Landon MacGillivray, Julio Martelino and J. Scott McIndoe
Chem. Commun., 2017,53, 854-856

Abstract

Real-time UV-Vis/ESI-MS monitoring of Pd2(dba)3 activation provides insight into active species and the effect of activation protocol on their formation.


A palladium-catalyzed dehydrative N-benzylation/C–H benzylation cascade of 2-morpholinoanilines on water


Hidemasa Hikawa, Risa Ichinose, Shoko Kikkawa and Isao Azumaya
Green Chem., 2018,20, 1297-1305

Abstract

A strategy for the palladium-catalyzed dehydrative tandem benzylation of 2-morpholinoanilines with benzyl alcohols has been developed. This cascade reaction is devised as a straightforward and efficient synthetic route for N-(1,2-diphenylethyl)-2-morpholinoanilines.


Non-ionic surfactants from renewables – amphiphilic ligands in biphasic reactions


Thiemo A. Faßbach, Fridolin O. Sommer, Arno Behr, Steffen Romanski, Dirk Leinweber and Andreas J. Vorholt
Catal. Sci. Technol., 2017,7, 1650-1653

Abstract

Using the water-soluble N-methylglucamine and the non-polar β-myrcene in a biphasic telomerisation with the amphiphilic TPPMS ligand, new surfactants are obtained.


A borrowing hydrogen methodology: palladium-catalyzed dehydrative N-benzylation of 2-aminopyridines in water


Hidemasa Hikawa, Hirokazu Imamura, Shoko Kikkawa and Isao Azumaya
Green Chem., 2018,20, 3044-3049

Abstract

We demonstrate a borrowing hydrogen methodology using the p-benzylpalladium system, which offers an efficient and environmentally friendly dehydrative N-monobenzylation of 2-aminopyridines with benzylic alcohols in the absence of base.


Monoamine oxidase-A targeting probe for prostate cancer imaging and inhibition of metastasis


Won Young Kim, Miae Won, Abbas Salimi, Amit Sharma, Jong Hyeon Lim, Seung-Hae Kwon, Joo-Yeong Jeon, Jin Yong Lee and Jong Seung Kim
Chem. Commun., 2019,55, 13267-13270

Abstract

Mitochondrial enzyme monoamine oxidase (MAO-A) is known to be overexpressed in prostate cancer (PCa) cells.


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