All Outputs (132)

A Bridge too Far? Comparison of Transition Metal Complexes of Dibenzyltetraazamacrocycles with and without Ethylene Cross-Bridges: X-ray Crystal Structures, Kinetic Stability, and Electronic Properties (2023)
Journal Article
Walker, A. N., Ayala, M. A., Mondal, S., Bergagnini, M. C., Bui, P. J. D., Chidester, S. N., …Hubin, T. J. (2023). A Bridge too Far? Comparison of Transition Metal Complexes of Dibenzyltetraazamacrocycles with and without Ethylene Cross-Bridges: X-ray Crystal Structures, Kinetic Stability, and Electronic Properties. Molecules, 28(2), Article 895. https://doi.org/10.3390/molecules28020895

Tetraazamacrocycles, cyclic molecules with four nitrogen atoms, have long been known to produce highly stable transition metal complexes. Cross-bridging such molecules with two-carbon chains has been shown to enhance the stability of these complexes... Read More about A Bridge too Far? Comparison of Transition Metal Complexes of Dibenzyltetraazamacrocycles with and without Ethylene Cross-Bridges: X-ray Crystal Structures, Kinetic Stability, and Electronic Properties.

Empowering clean water whilst safeguarding water distribution pipeline integrity: Towards manganese- and iron-free lime hydrate for water treatment (2023)
Journal Article
Wadhawan, J. D., Kocsis, D., Meyer, C., Ward, R., Thompson, M., Prior, T. J., …Lawrence, N. (2023). Empowering clean water whilst safeguarding water distribution pipeline integrity: Towards manganese- and iron-free lime hydrate for water treatment. Environmental Science: Water Research & Technology, https://doi.org/10.1039/d2ew00109h

Hydrated limes are amongst the most economically valuable alkalis used by the water industry for the treatment of potable water. They are typically manufactured from the thermal decomposition of high purity limestones. However, the latter contain bot... Read More about Empowering clean water whilst safeguarding water distribution pipeline integrity: Towards manganese- and iron-free lime hydrate for water treatment.

Host-guest inclusion complexes formed between a symmetrical tetrasubstituted cucurbit[6]uril and glycine (2022)
Journal Article
Yuan, S. W., Shan, P. H., Yang, M. X., Yang, M. X., Ma, P. H., Prior, T. J., …Xiao, X. (2022). Host-guest inclusion complexes formed between a symmetrical tetrasubstituted cucurbit[6]uril and glycine. CrystEngComm, https://doi.org/10.1039/d2ce01308h

Herein, we have investigated the host-guest inclusion complexes formed on interaction of the symmetric tetramethyl-substituted cucurbit[6]uril (TMeQ[6]) with glycine (Gly) under different conditions. The interactions have been studied both in solutio... Read More about Host-guest inclusion complexes formed between a symmetrical tetrasubstituted cucurbit[6]uril and glycine.

Bn2DT3A, a Chelator for 68Ga Positron Emission Tomography: Hydroxide Coordination Increases Biological Stability of [68Ga][Ga(Bn2DT3A)(OH)]− (2022)
Journal Article
Price, T. W., Renard, I., Prior, T. J., Kubíček, V., Benoit, D. M., Archibald, S. J., …Stasiuk, G. J. (2022). Bn2DT3A, a Chelator for 68Ga Positron Emission Tomography: Hydroxide Coordination Increases Biological Stability of [68Ga][Ga(Bn2DT3A)(OH)]−. Inorganic chemistry, 61(43), 17059–17067. https://doi.org/10.1021/acs.inorgchem.2c01992

The chelator Bn2DT3A was used to produce a novel 68Ga complex for positron emission tomography (PET). Unusually, this system is stabilized by a coordinated hydroxide in aqueous solutions above pH 5, which confers sufficient stability for it to be use... Read More about Bn2DT3A, a Chelator for 68Ga Positron Emission Tomography: Hydroxide Coordination Increases Biological Stability of [68Ga][Ga(Bn2DT3A)(OH)]−.

Cucurbit[6]uril-based carbon dots for recognizing l-tryptophan and capecitabine (2022)
Journal Article
Liu, M., Cen, R., Lu, J. H., Meng, T. H., Li, C. R., Redshaw, C., …Xiao, X. (in press). Cucurbit[6]uril-based carbon dots for recognizing l-tryptophan and capecitabine. Materials Chemistry Frontiers, https://doi.org/10.1039/d2qm00589a

Fluorescent nitrogen and fluorine doped carbon dots (CDs) were prepared by a hydrothermal method using levofloxacin (LVFX) and cucurbit[6]uril (Q[6]) as the nitrogen and carbon sources, respectively. Decomposition of LVFX occurred at elevated tempera... Read More about Cucurbit[6]uril-based carbon dots for recognizing l-tryptophan and capecitabine.

Ring Opening Polymerization of Lactides and Lactones by Multimetallic Titanium Complexes Derived from the Acids Ph2C(X)CO2H (X = OH, NH2) (2022)
Journal Article
Zhang, X., Prior, T. J., Chen, K., Santoro, O., & Redshaw, C. (2022). Ring Opening Polymerization of Lactides and Lactones by Multimetallic Titanium Complexes Derived from the Acids Ph2C(X)CO2H (X = OH, NH2). Catalysts, 12(9), Article 935. https://doi.org/10.3390/catal12090935

The reactions of the titanium alkoxide [Ti(OR)4] (R = Me, nPr, iPr, tBu) with the acids 2,2’-Ph2C(X)(CO2H), where X = OH and NH2, i.e., benzilic acid (2,2’-diphenylglycolic acid, L1H2), and 2,2’-diphenylglycine (L2H3), have been investigated. The var... Read More about Ring Opening Polymerization of Lactides and Lactones by Multimetallic Titanium Complexes Derived from the Acids Ph2C(X)CO2H (X = OH, NH2).

Niobium and Tantalum complexes derived from the acids Ph<inf>2</inf>C(X)CO<inf>2</inf>H (X = OH, NH<inf>2</inf>): synthesis, structure and ROP capability (2022)
Journal Article
Zhang, X., Prior, T. J., & Redshaw, C. (2022). Niobium and Tantalum complexes derived from the acids Ph2C(X)CO2H (X = OH, NH2): synthesis, structure and ROP capability. New journal of chemistry = Nouveau journal de chimie, https://doi.org/10.1039/d2nj02527b

Reaction of benzilic acid, Ph2C(OH)(CO2H), L1H2, with equimolar amounts of M(OR)5 (M = Nb, Ta) led, following work-up, to the tetranuclear complexes [Nb4(OEt)8(L1)4(μ-O)2] (1) or [Ta4(OEt)8(L1)4(μ-O)2]·0.5MeCN (2·0.5MeCN), respectively. Similar use o... Read More about Niobium and Tantalum complexes derived from the acids Ph<inf>2</inf>C(X)CO<inf>2</inf>H (X = OH, NH<inf>2</inf>): synthesis, structure and ROP capability.

Cucurbit[6]uril-based supramolecular frameworks formed through outer surface interactions and application for iodine adsorption (2022)
Journal Article
Hu, J. H., Cen, R., Liu, M., Shan, P. H., Prior, T. J., Redshaw, C., …Xiao, X. (2022). Cucurbit[6]uril-based supramolecular frameworks formed through outer surface interactions and application for iodine adsorption. Inorganic Chemistry Communications, 142, Article 109663. https://doi.org/10.1016/j.inoche.2022.109663

The interaction between the outer surface of cucurbit[6]uril (Q[6]) and methyl triphenyl phosphorus iodide (MTPI) has been studied in the presence of [CdCl4]2-. The MTPI is connected to four neighboring Q[6]s through weak interactions such as C-H···π... Read More about Cucurbit[6]uril-based supramolecular frameworks formed through outer surface interactions and application for iodine adsorption.

A study of the inclusion complex formed between cucurcubit[7]uril and 1-[4-(dimethylamino)phenyl]-ethanone (2022)
Journal Article
Feng, X. H., Yu, Z. C., Zhang, W., Redshaw, C., Prior, T. J., Meng, T. H., …Xiao, X. (2022). A study of the inclusion complex formed between cucurcubit[7]uril and 1-[4-(dimethylamino)phenyl]-ethanone. Polyhedron, 222, Article 115938. https://doi.org/10.1016/j.poly.2022.115938

In the work, we have studied the interaction of cucurbit[7]uril (Q[7]) with 1-[4-(dimethylamino)phenyl]-ethanone (DAPE) using a variety of techiniques including 1H NMR spectroscopy, UV–vis adsorption and fluorescence spectroscopies, Isothermal titrat... Read More about A study of the inclusion complex formed between cucurcubit[7]uril and 1-[4-(dimethylamino)phenyl]-ethanone.

A study of the inclusion complex formed between cucurbit[8]uril and isonicotinic acid (2022)
Journal Article
Yu, Z. C., Lu, Y., Shan, P. H., Fan, Y., Tao, Z., Xiao, X., …Redshaw, C. (2022). A study of the inclusion complex formed between cucurbit[8]uril and isonicotinic acid. Journal of Inclusion Phenomena and Macrocyclic Chemistry, https://doi.org/10.1007/s10847-022-01141-6

The complexation between cucurbit[8]uril, Q[8], and isonicotinic acid has been studied using 1H NMR spectroscopy, UV–Vis absorption spectroscopy, Raman spectroscopy and single crystal X-ray diffraction. The results revealed that the 2:1 inclusion com... Read More about A study of the inclusion complex formed between cucurbit[8]uril and isonicotinic acid.

Heterometallic cobalt(ii) calix[6 and 8]arenes: synthesis, structure and electrochemical activity (2022)
Journal Article
Ignaszak, A., Patterson, N., O'Brien, C., True, A., Elsegood, M. R., Prior, T. J., & Redshaw, C. (2022). Heterometallic cobalt(ii) calix[6 and 8]arenes: synthesis, structure and electrochemical activity. RSC advances, 12(19), 11672-11685. https://doi.org/10.1039/d2ra01009g

Heterometallic cobalt p-tert-butylcalix[6 and 8]arenes have been generated from the in situ reaction of lithium reagents (n-BuLi or t-BuOLi) or NaH with the parent calix[n]arene and subsequent reaction with CoBr2. The reverse route, involving the add... Read More about Heterometallic cobalt(ii) calix[6 and 8]arenes: synthesis, structure and electrochemical activity.

Expanding and quantifying the crystal chemistry of the flexible ligand 15aneN5 (2022)
Journal Article
Shircliff, A. D., Davilla, D. J., Allbritton, E. M. A., Gorbet, M. J., Jones, D. G., Tresp, D. S., …Hubin, T. J. (2022). Expanding and quantifying the crystal chemistry of the flexible ligand 15aneN5. CrystEngComm, 24(6), 1218-1236. https://doi.org/10.1039/d1ce01534f

Tetraazamacrocycles have been very extensively exploited as transition metal ligands for a variety of purposes, including catalysis, medical imaging, pharmaceuticals, etc. However, the pentaazamacrocycles are much less commonly used for similar purpo... Read More about Expanding and quantifying the crystal chemistry of the flexible ligand 15aneN5.

Pd-Immobilized Schiff Base Double-Layer Macrocycle: Synthesis, Structures, Peroxidase Mimic Activity, and Antibacterial Performance (2021)
Journal Article
Wang, K., Chen, K., Prior, T. J., Feng, X., & Redshaw, C. (2022). Pd-Immobilized Schiff Base Double-Layer Macrocycle: Synthesis, Structures, Peroxidase Mimic Activity, and Antibacterial Performance. ACS Applied Materials & Interfaces, 14(1), 1423–1433. https://doi.org/10.1021/acsami.1c19795

Di-, tri-, and tetra-aldehydes have been employed to access new [2 + 2] [2 + 3] and [2 + 4] double-layer Schiff base macrocycles. The [2 + 3] compound has been used for the immobilization of Pd and the resulting composite has been employed as a perox... Read More about Pd-Immobilized Schiff Base Double-Layer Macrocycle: Synthesis, Structures, Peroxidase Mimic Activity, and Antibacterial Performance.

Tethered ruthenium(II) η6-arene complexes: assessing the potential of benzylic substituents to control metal-centred chirality, and applications in asymmetric transfer hydrogenations of ketones (2021)
Journal Article
Shroot, S., Prior, T. J., Wiles, C., & Murray, B. S. (2022). Tethered ruthenium(II) η6-arene complexes: assessing the potential of benzylic substituents to control metal-centred chirality, and applications in asymmetric transfer hydrogenations of ketones. Journal of organometallic chemistry, 960, Article 122232. https://doi.org/10.1016/j.jorganchem.2021.122232

The synthesis and characterisation of a small series of tethered ruthenium(II) η6-arene complexes is described, where a single benzylic substituent is examined as a route to enforcing chirality at the metal centre upon ligation of a tethered bidentat... Read More about Tethered ruthenium(II) η6-arene complexes: assessing the potential of benzylic substituents to control metal-centred chirality, and applications in asymmetric transfer hydrogenations of ketones.

pH-dependent concatenation of an inorganic complex results in solid state helix formation (2021)
Journal Article
Hoffer, E., Niebuhr, B. P., Pota, K., Schwartz, T. M., Burnett, M. E., Prior, T. J., …Green, K. N. (2022). pH-dependent concatenation of an inorganic complex results in solid state helix formation. Inorganica Chimica Acta, 531, Article 120740. https://doi.org/10.1016/j.ica.2021.120740

Growth of the library of tetraaza macrocyclic pyridinophane ligands is a result of the potential to treat neurodegenerative diseases by binding unregulated redox active metal-ions, scavenging radicals, and reducing oxidative stress. As part of this w... Read More about pH-dependent concatenation of an inorganic complex results in solid state helix formation.

Anti-inflammation and antimalarial profile of 5-pyridin-2-yl-1H-[1,2,4]triazole-3-carboxylic acid ethyl ester as a low molecular intermediate for hybrid drug synthesis (2021)
Journal Article
Eya’ane Meva, F., Prior, T. J., Evans, D. J., Shah, S., Tamngwa, C. F., Belengue, H. G. L., …Llinás, M. (2022). Anti-inflammation and antimalarial profile of 5-pyridin-2-yl-1H-[1,2,4]triazole-3-carboxylic acid ethyl ester as a low molecular intermediate for hybrid drug synthesis. Research on Chemical Intermediates, 48(2), 885–898. https://doi.org/10.1007/s11164-021-04607-3

A novel 1,2,4-triazole intermediate 5-pyridin-2-yl-1H-[1,2,4]triazole-3-carboxylic acid ethyl ester was prepared by the reaction of N’-aminopiridyne-2-carboximidamine and an excess monoethyl oxalyl chloride and screened for biological activities. The... Read More about Anti-inflammation and antimalarial profile of 5-pyridin-2-yl-1H-[1,2,4]triazole-3-carboxylic acid ethyl ester as a low molecular intermediate for hybrid drug synthesis.

What are the different styles of calcite precipitation within a hyperalkaline leachate? A sedimentological Anthropocene case study (2021)
Journal Article
Bastianini, L., Rogerson, M., Mercedes-Martín, R., Prior, T. J., & Mayes, W. M. (in press). What are the different styles of calcite precipitation within a hyperalkaline leachate? A sedimentological Anthropocene case study. The Depositional Record, https://doi.org/10.1002/dep2.168

This study aims to compare the fabrics of anthropogenic carbonates downstream of lime and steel disposal sites with models of carbonate precipitation from natural systems to elucidate potential drivers, precipitation mechanisms, morphological similar... Read More about What are the different styles of calcite precipitation within a hyperalkaline leachate? A sedimentological Anthropocene case study.

Lead calix[n]arenes (n = 4, 6, 8): Structures and ring opening homo-/co-polymerization capability for cyclic esters (2021)
Journal Article
Xing, T., Prior, T. J., & Redshaw, C. (2021). Lead calix[n]arenes (n = 4, 6, 8): Structures and ring opening homo-/co-polymerization capability for cyclic esters. Dalton Transactions : an international journal of inorganic chemistry, 50(42), 15140-15152. https://doi.org/10.1039/d1dt02790e

Reaction of [LiPb(OiPr)3]2 (generated in situ) with either p-tert-butylcalix[4]areneH4 (L4H4) or p-tert-butylcalix[6]areneH6 (L6H6) resulted in the heterometallic lithium/lead complexes [Pb4Li2(L4)4H6(MeCN)3]·4.5MeCN (1·4.5MeCN) and [Pb8Li10Cl2(L6H2)... Read More about Lead calix[n]arenes (n = 4, 6, 8): Structures and ring opening homo-/co-polymerization capability for cyclic esters.

Alkoxy-functionalized schiff-base ligation at aluminum and zinc: Synthesis, structures and rop capability (2021)
Journal Article
Zhang, X., Chen, K., Chicoma, M., Goins, K., Prior, T. J., Nile, T. A., & Redshaw, C. (2021). Alkoxy-functionalized schiff-base ligation at aluminum and zinc: Synthesis, structures and rop capability. Catalysts, 11(9), Article 1090. https://doi.org/10.3390/catal11091090

The Schiff-base compounds 2,4-di-tert-butyl-6-(((3,4,5-trimethoxyphenyl)imino)methyl)phenol (L1H), 2,4-di-tert-butyl-6-(((2,4,6-trimethoxyphenyl)imino)methyl)phenol (L2H), 2,4-di-tert-butyl-6-(((2,4-trimethoxyphenyl)imino)methyl)phenol) (L3H) derived... Read More about Alkoxy-functionalized schiff-base ligation at aluminum and zinc: Synthesis, structures and rop capability.

Mechanistic Insights into Iron-Catalyzed C-H Bond Activation and C-C Coupling (2021)
Journal Article
Brewer, S. M., Schwartz, T. M., Mekhail, M. A., Turan, L. S., Prior, T. J., Hubin, T. J., …Green, K. N. (in press). Mechanistic Insights into Iron-Catalyzed C-H Bond Activation and C-C Coupling. Organometallics, https://doi.org/10.1021/acs.organomet.1c00211

Iron-catalyzed C-C coupling reactions of pyrrole provide a unique alternative to the traditional Pd-catalyzed counterpart. However, many details regarding the actual mechanism remain unknown. A series of macrocyclic iron(III) complexes were used to e... Read More about Mechanistic Insights into Iron-Catalyzed C-H Bond Activation and C-C Coupling.