Article
Chemistry, Inorganic & Nuclear
Daniel Menia, Holger Kopacka, Klaus Wurst, Thomas Mueller, Petra Lippmann, Ingo Ott, Benno Bildstein
Summary: Cobaltoceniumselenolate coordination with Au(I) metal centers results in highly colored, stable compounds with good anticancer activity against various standard cancer cell lines. Characterization of these complexes was done through various analytical techniques such as NMR, IR, UV-Vis, HR-MS and single crystal XRD.
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
(2021)
Article
Chemistry, Multidisciplinary
Mathilde Rigoulet, David Vesseur, Karinne Miqueu, Didier Bourissou
Summary: This study reveals that Aryl trifluoromethyl diazomethanes can be decomposed to form alpha-CF3 substituted carbene complexes under the effect of certain gold(I) complexes. The bonding situation of these complexes is thoroughly evaluated, showing the influence of the aryl substituent and Au in stabilizing the electrophilic carbene center. Reactivity studies confirm the typical carbene-type behavior for one of the complexes.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2022)
Article
Chemistry, Inorganic & Nuclear
L. B. de Oliveira, Lis R. V. Favarin, V. O. Araujo, N. L. Faganello, Heveline Silva, Amilcar Machulek Junior, L. M. C. Pinto, Anderson R. L. Caires, D. F. Back, Lucas Pizzuti, Gleison Antonio Casagrande
Summary: New mononuclear gold(I) complexes based on 1-thiocarbamoyl-3,5-diaryl-pyrazoline ligands were synthesized and characterized. These complexes exhibited higher antitumor activity and selectivity than their respective free ligands, making them promising candidates for the development of new metallodrugs based on gold(I) compounds.
Article
Chemistry, Inorganic & Nuclear
Clement Cazorla, Lorenzo Casimiro, Tanzeel Arif, Claire Deo, Nawel Goual, Pascal Retailleau, Remi Metivier, Juan Xie, Arnaud Voituriez, Angela Marinetti, Nicolas Bogliotti
Summary: Diphosphines with azobenzene scaffolds and their corresponding bis-gold chloride complexes were prepared and characterized through photophysical, spectroscopic, and X-ray diffraction studies. DFT calculations provided additional information on their electronic, structural, and spectroscopic properties. Comparative investigations were conducted on compounds with different substitution patterns to analyze the effects on structural and spectroscopic properties.
DALTON TRANSACTIONS
(2021)
Article
Chemistry, Organic
Florian J. Ritz, Lars Valentin, Anja Henss, Christian Wuertele, Olaf Walter, Sergei I. Kozhushkov, Armin de Meijere, Siegfried Schindler
Summary: The study investigated the kinetics of reactions between [Ni(bipy)(COD)] and various bicyclopropylidene compounds using stopped-flow techniques. Results supported an associative mechanism and allowed for a more general reaction pathway to be postulated. The structurally characterized nickel(0) and copper(I) complexes exhibited reactivity towards dioxygen, and comparisons were made with similar olefinic complexes in the literature.
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
(2021)
Article
Biochemical Research Methods
Fady Nahra, Nikolaos Tzouras, Alba Collado, Steven P. Nolan
Summary: N-heterocyclic carbene gold(I) chloride and hydroxide complexes are commonly used as synthetic reagents and efficient catalysts. This study describes a straightforward and practical method for synthesizing mononuclear gold complexes with high yields, as well as the synthesis of a mononuclear gold(I) hydroxide complex and an improved synthesis method for a dinuclear gold(I) hydroxide complex. This methodology offers advantages such as the use of sustainable reaction solvents and commercially available starting materials.
Article
Chemistry, Multidisciplinary
Christopher S. Gravatt, Luis Melecio-Zambrano, Tehshik P. Yoon
Summary: The sole method available for the photocycloaddition of unconjugated aliphatic alkenes is the Cu-catalyzed Salomon-Kochi reaction. A new catalyst system with superior reactivity and photostability has been designed, offering significantly expanded substrate scope and highlighted through the preparation of the natural products sulcatine G and perforatol.
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2021)
Article
Chemistry, Organic
Lydia Zengerling, Benedict Kemper, Ute A. Hellmich, Pol Besenius
Summary: The synthesis of hexa- and dodecapeptides functionalized with two Au(I)-phosphine complexes is reported. The high stability of the Au(I)-phosphine bond allowed orthogonal peptide-protecting group chemistry, resulting in metallododecapeptides with α-helical secondary structures of high thermal stability in specific solvent mixtures.
Article
Chemistry, Organic
Lydia Zengerling, Benedict Kemper, Ute A. Hellmich, Pol Besenius
Summary: The synthesis of hexa- and dodecapeptides functionalized with two Au(I)-phosphine complexes demonstrated the high stability of the Au(I)-phosphine bond, allowing orthogonal peptide-protecting-group chemistry. The metallododecapeptide formed alpha-helical secondary structures with high thermal stability in specific solvent mixtures.
Article
Chemistry, Inorganic & Nuclear
Heng Liu, Joseph M. Tanski
Summary: The crystal and molecular structures of four (triphenylphosphine)-gold(I) complexes synthesized from different thiols have been determined. The thiolate complexes exhibit similar Au-S-C angles but different Au-S-C-O/S torsional angles. All the complexes feature a nearly linear two-coordinate gold(I) metal center.
Article
Chemistry, Inorganic & Nuclear
Martina Landrini, Elena De Paolis, Alceo Macchioni, Leonardo Tensi, Peter Hrobarik, Luca Rocchigiani
Summary: The interionic structure in solution of a series of [LAu(mu-H)(2)WCp2][BF4] ion pairs has been studied using heteronuclear NOE and diffusion NMR. Selective ion pairing based on specific metallocene-anion interactions has been observed for all species. The role of the ancillary ligand L in dictating the availability of secondary ion pair structures is minimal, mainly due to steric factors. DFT calculations have shown that the tungstenocene fragment acts as the preferential anion anchoring point. However, ion association in CD2Cl2 is not enhanced and the typical aggregation behavior of linear Au(I) ion pairs is observed.
EUROPEAN JOURNAL OF INORGANIC CHEMISTRY
(2022)
Article
Chemistry, Inorganic & Nuclear
Priyanka Sahu, Narayan Ch. Jana, Sahadev Barik, Hemanta K. Kisan, Avtar Changotra, Anvarhusein A. Isab, Joydev Dinda
Summary: A novel synthetic approach was used to synthesize a heterobimetallic cluster, and its structure was confirmed through experiments. It was found that Au(i) preferred to bind with the C-carbene donor. In addition, metal-metal interactions in the clusters were further investigated using computational methods, and one of the clusters was found to be more aromatic.
DALTON TRANSACTIONS
(2023)
Article
Chemistry, Inorganic & Nuclear
Felix Mueller, Lucas Wickemeyer, Jan Schwabedissen, Martin Ertl, Beate Neumann, Hans-Georg Stammler, Uwe Monkowius, Norbert W. Mitzel
Summary: Two gold(I) dimers were synthesized using tin-gold exchange reactions, characterized by various experiments, and further investigated using computational and photophysical methods.
DALTON TRANSACTIONS
(2022)
Article
Chemistry, Applied
Tao Lu, Fangfang Zhang, Xiao-Yan Wang, Kexin Wang, Ziyong Li, Jun Yin, Sheng Hua Liu
Summary: The study successfully designed and synthesized four novel dithienylethene-based complexes, which exhibited good photochromic behavior. The research also found a slight effect of alkyl chain length on the photochromic properties.
Article
Chemistry, Physical
T. A. Zepeda, A. Solis-Garcia, O. E. Jaime Acuna, J. C. Fierro-Gonzalez, A. Simakov, V. Petranovskii, O. Raymond Herrera
Summary: The presence of cationic gold species is crucial for the CO oxidation over non-reducible metal oxide-supported gold catalysts, and the deactivation of such catalysts is mainly due to the sintering of Au nanoparticles and the reduction of cationic Au species. In this study, we report the high catalytic stability of cationic Au species confined in a mordenite-like zeolite matrix prepared by a one-pot synthesis method for CO oxidation. The sample with the lowest Au loading (0.32 wt%) exhibited the highest catalytic performance and stability during CO oxidation.
APPLIED CATALYSIS B-ENVIRONMENTAL
(2023)
Article
Chemistry, Multidisciplinary
Chao Liu, Nikolay V. Tkachenko, Ivan A. Popov, Nikita Fedik, Xue Min, Cong-Qiao Xu, Jun Li, John E. McGrady, Alexander I. Boldyrev, Zhong-Ming Sun
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2019)
Article
Chemistry, Multidisciplinary
Meera Mehta, John E. McGrady, Jose M. Goicoechea
CHEMISTRY-A EUROPEAN JOURNAL
(2019)
Article
Chemistry, Multidisciplinary
Rosalyn L. Falconer, Dihao Zeng, Michael Green, Douglas W. Stephan, John E. McGrady, Christopher A. Russell
CHEMISTRY-A EUROPEAN JOURNAL
(2019)
Article
Chemistry, Organic
Nicholas A. Phillips, James O'Hanlon, Thomas N. Hooper, Andrew J. P. White, Mark R. Crimmin
Article
Chemistry, Inorganic & Nuclear
Takafumi Yamamoto, Harry W. T. Morgan, Dihao Zeng, Takateru Kawakami, Midori Amano Patino, Michael A. Hayward, Hiroshi Kageyama, John E. McGrady
INORGANIC CHEMISTRY
(2019)
Article
Chemistry, Multidisciplinary
Jamie A. Cadge, Hazel A. Sparkes, John F. Bower, Christopher A. Russell
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
(2020)
Article
Chemistry, Multidisciplinary
Jamie A. Cadge, Paul J. Gates, John F. Bower, Christopher A. Russell
Summary: This research reports a newly discovered gold(III) metallafluorene complex that can be used for the synthesis of stable 9-fluorenone products through migratory insertion of CO. This finding expands the potential of using gold chemistry for product synthesis.
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
(2022)
Article
Chemistry, Multidisciplinary
Ryan K. Brown, Thomas N. Hooper, Feriel Rekhroukh, Andrew J. P. White, Paulo J. Costa, Mark R. Crimmin
Summary: A new method for controlling the selectivity of aryl methyl ether reactions was discovered in this study, by using the catalyst [Pd(PCy3)(2)] to achieve chemoselective functionalisation of the sp(2) C-O bond. Experimental evidence supports a catalytic pathway involving ligand-assisted oxidative addition of the sp(2) C-O bond to a Pd-Al intermetallic complex.
CHEMICAL COMMUNICATIONS
(2021)
Article
Chemistry, Multidisciplinary
Thomas N. Hooper, Ryan K. Brown, Feriel Rekhroukh, Marti Garcon, Andrew J. P. White, Paulo J. Costa, Mark R. Crimmin
Article
Chemistry, Multidisciplinary
Daniel W. N. Wilson, Mauricio P. Franco, William K. Myers, John E. McGrady, Jose M. Goicoechea
Article
Chemistry, Inorganic & Nuclear
Chao Zhang, Harry W. T. Morgan, Zi-Chuan Wang, Chao Liu, Zhong-Ming Sun, John E. McGrady
DALTON TRANSACTIONS
(2019)
Article
Chemistry, Multidisciplinary
Thomas N. Hooper, Samantha Lau, Wenyi Chen, Ryan K. Brown, Marti Garcon, Karen Luong, Nathan S. Barrow, Andrew S. Tatton, George A. Sackman, Christopher Richardson, Andrew J. P. White, Richard I. Cooper, Alison J. Edwards, Ian J. Casely, Mark R. Crimmin
Article
Chemistry, Physical
Xiao Jin, Vaida Arcisauskaite, John E. McGrady
PHYSICAL CHEMISTRY CHEMICAL PHYSICS
(2019)
Article
Chemistry, Inorganic & Nuclear
Piao He, Jian-Guo Zhang, John E. McGrady
Article
Chemistry, Multidisciplinary
Chao Liu, Xiao Jin, Lei-Jiao Li, Jun Xu, John E. McGrady, Zhong-Ming Sun
Review
Chemistry, Multidisciplinary
Dan He, Yawen Li, Fuwen Zhao, Yuze Lin
Summary: High trap density in organic solar cells leads to localized charge carriers and reduced carrier lifetime, limiting device efficiency. This feature article summarizes the recent advances of trap suppression by material design and device engineering.
CHEMICAL COMMUNICATIONS
(2024)
Review
Chemistry, Multidisciplinary
Olivier Monfort, Arshitha Madhusudhan, Martin Motola
Summary: This article presents the advantages of coupling photocatalysis and Fenton-based processes for environmental remediation and discusses their synergy. It critically examines the simultaneous triggering of these two processes and provides insights into research approaches. The study aims to enhance understanding of this complex process and highlight the potential integration of new catalysts in current wastewater treatment technology.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Manideepa Dhar, Chittaranjan Mishra, Avijit Das, Uttam Manna
Summary: An approach of 'polymerization of monomers in its aggregated form' has been introduced to tailor the water wettability of fibrous and porous substrates, achieving hydrophobicity to superhydrophobicity transition, as well as patterned wettability. This facile chemical method provides a durable coating with adjustable and patterned wettability for various potential applications.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Saswat Ranjan Bhoi, Chhanda Debnath, Shikha Gandhi
Summary: In this article, a novel catalytic reaction using Pd(0) and Bronsted acid is reported for the synthesis of biologically important imidazolidinone-fused N-heterocycles through redox-neutral intramolecular N-allylation of indoles and pyrroles with alkynes. This atom-economical method is applicable to a wide range of substrates and eliminates the need for leaving groups or oxidizing agents commonly used in traditional allylation reactions.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Longkun Chen, Mingshuai Zhang, Meichen Liu, Zhuoyuan Liu, Yuetong Qiu, Zhilai Zhang, Fuchao Yu, Jiuzhong Huang
Summary: In this study, an efficient Rh(III)-catalyzed selective mono- and dual-C-H bond functionalization/cyclization with iodonium ylide as the sole coupling partner was demonstrated. Fused benzodiazepine skeletons were obtained in excellent yields, providing an improved approach to dual C-H unsymmetrical functionalization.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Alice Kennett, Sven Epple, Gabriella van der Valk, Irene Georgiou, Evelyne Gout, Romain R. Vives, Angela J. Russell
Summary: This study presents the design and synthesis of sulfated disaccharide inhibitors based on IdoA(2S)-GlcNS(6S), which showed potent inhibition of Sulf-2. The results suggest that IdoA(2S)-GlcNS(6S) is the shortest fragment size required for effective inhibition of Sulfs, and a trisulfated disaccharide is identified as the minimal fragment size of heparan sulfate for effective endosulfatase inhibition.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Mauro Garbini, Andrea Brunetti, Riccardo Pedrazzani, Magda Monari, Massimo Marcaccio, Giulio Bertuzzi, Marco Bandini
Summary: The self-adaptability of galvanostatic electrolysis was found to be helpful in a multistage chemo- and diastereoselective electrochemically promoted cyclodimerization of chalcones. Through a series of reductive events, densely functionalized cyclopentanes with five contiguous stereocenters were obtained (25 examples, yields up to 95%, dr values up to >20:1). Further experimental and electrochemical investigations indicated the crucial role of dynamic kinetic resolution of the aldol intermediate in the reaction mechanism.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Dhananjay S. Nipate, Neha Meena, Prakash N. Swami, Krishnan Rangan, Anil Kumar
Summary: In this study, the synthesis of functionalized benzo[a]phenazines and indazolo[2,3-a]quinolines was achieved through Rh(III)-catalyzed oxidative annulation of 2-arylquinoxalines and 2-aryl-2H-indazoles with allyl alcohols. The method showed a wide substrate scope, excellent functional group tolerance, good to high yields of annulated products, and the capability for scaled-up synthesis. A tentative mechanism of the annulation reaction was proposed based on a preliminary mechanistic investigation.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Ruonan Zhang, Abudukadi Tudi, Xia Yang, Xuping Wang, Zhihua Yang, Shujuan Han, Shilie Pan
Summary: A new lead tellurium borate material with a unique fundamental building block [B4O10] was synthesized and found to exhibit high birefringence. The structure-property relationship was discussed using first-principles calculations.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Amresh Kumar Singh, Baishali Thakurta, Anupam Giri, Monalisa Pal
Summary: This study introduces three key concepts for the quick synthesis of large-scale high-quality 2D materials films and their utilization in device fabrication.
CHEMICAL COMMUNICATIONS
(2024)
Article
Chemistry, Multidisciplinary
Reina Hagiwara, Shun Nishimura, Kosuke Okeyoshi
Summary: A copolymer-conjugated nanocatalytic system has been developed to improve electron transfer and enhance photoinduced H2 generation.
CHEMICAL COMMUNICATIONS
(2024)
