All Outputs (152)

Multimetallic lithium complexes derived from the acids Ph₂C(X)CO₂H (X = OH, NH₂) : synthesis, structure and ring opening polymerization of lactides and lactones (2017)
Journal Article
Al-Khafaji, Y. F., Prior, T. J., Horsburgh, L., Elsegood, M. R. J., & Redshaw, C. (2017). Multimetallic lithium complexes derived from the acids Ph₂C(X)CO₂H (X = OH, NH₂) : synthesis, structure and ring opening polymerization of lactides and lactones. ChemistrySelect, 2(2), 759-768. https://doi.org/10.1002/slct.201602029

Reaction of LiOR (R=t-Bu, Ph) with the acids 2,2/-Ph₂C(X)(CO₂H), X=OH (benzH), NH₂ (dpgH) was investigated. For benzH, one equivalent LiOt-Bu in THF afforded [Li(benz)]2⋅2THF (1⋅2THF), which adopts a 1D chain structure. If acetonitrile is used (mild... Read More about Multimetallic lithium complexes derived from the acids Ph₂C(X)CO₂H (X = OH, NH₂) : synthesis, structure and ring opening polymerization of lactides and lactones.

A study of the interaction between inverted cucurbit[7]uril and symmetric viologens (2017)
Journal Article
Gao, Z., Chen, L., Gao, Z.-Z., Bai, D., Chen, L.-X., Tao, Z., Xiao, X., Prior, T. J., & Redshaw, C. (2017). A study of the interaction between inverted cucurbit[7]uril and symmetric viologens. RSC advances, 7(1), 461-467. https://doi.org/10.1039/c6ra24780f

The interaction between inverted cucuribit[7]uril (iQ[7]) and a series of symmetric viologen derivatives bearing aliphatic substituents of variable length, namely dicationic dialkyl-4,4′-bipyridinium guests where the alkyl is CH₃(CH₂)n with n = 0 to... Read More about A study of the interaction between inverted cucurbit[7]uril and symmetric viologens.

New pre-catalysts for ring opening of lactides/lactones based on earth abundant metals (2016)
Thesis
Al-Khafaji, Y. New pre-catalysts for ring opening of lactides/lactones based on earth abundant metals. (Thesis). University of Hull. https://hull-repository.worktribe.com/output/4219115

In this study, a number of Nb, Ta, Mo, V, Al, Li and Zn complexes have been synthesised and fully characterised. The catalytic behavior of these pre-catalysts towards the ring opening polymerization (ROP) of the cyclic esters is discussed.

Chapter... Read More about New pre-catalysts for ring opening of lactides/lactones based on earth abundant metals.

Polymorphism and solid−gas/solid−solid reactions of isonicotinic acid, isonicotinamide, and nicotinamide copper chloride compounds (2016)
Journal Article
Fellows, S. M., & Prior, T. J. (2017). Polymorphism and solid−gas/solid−solid reactions of isonicotinic acid, isonicotinamide, and nicotinamide copper chloride compounds. Crystal growth & design, 17(1), 106-116. https://doi.org/10.1021/acs.cgd.6b01295

The crystal structures of eight new copper chloride coordination complexes with substituted pyridines have been determined through a combination of single crystal X-ray diffraction and ab initio structure solution from X-ray powder diffraction data.... Read More about Polymorphism and solid−gas/solid−solid reactions of isonicotinic acid, isonicotinamide, and nicotinamide copper chloride compounds.

Copper coordination polymers constructed from thiazole-5-carboxylic acid: Synthesis, crystal structures, and structural transformation (2016)
Journal Article
Meundaeng, N., Rujiwatra, A., & Prior, T. J. (2017). Copper coordination polymers constructed from thiazole-5-carboxylic acid: Synthesis, crystal structures, and structural transformation. Journal of Solid State Chemistry, 245, 138-145. https://doi.org/10.1016/j.jssc.2016.10.009

© 2016 Elsevier Inc. We have successfully prepared crystals of thiazole-5-carboxylic acid (5-Htza) (L) and three new thiazole-5-carboxylate-based Cu 2+ coordination polymers with different dimensionality, namely, 1D [Cu 2 (5-tza) 2 (1,10-phenanthroli... Read More about Copper coordination polymers constructed from thiazole-5-carboxylic acid: Synthesis, crystal structures, and structural transformation.

Simultaneous differential scanning calorimetry – synchrotron X-ray powder diffraction : a powerful technique for physical form characterisation in pharmaceutical materials (2016)
Journal Article
Clout, A., Buanz, A. B. M., Prior, T. J., Reinhard, C., Wu, Y., O'Hare, D., Williams, G. R., & Gaisford, S. (2016). Simultaneous differential scanning calorimetry – synchrotron X-ray powder diffraction : a powerful technique for physical form characterisation in pharmaceutical materials. Analytical chemistry, 88(20), 10111-10117. https://doi.org/10.1021/acs.analchem.6b02549

© 2016 American Chemical Society. We report a powerful new technique: hyphenating synchrotron X-ray powder diffraction (XRD) with differential scanning calorimetry (DSC). This is achieved with a simple modification to a standard laboratory DSC instru... Read More about Simultaneous differential scanning calorimetry – synchrotron X-ray powder diffraction : a powerful technique for physical form characterisation in pharmaceutical materials.

Supramolecular assemblies constructed from inverted cucurbit[7]uril and lanthanide cations: synthesis, structure and sorption properties (2016)
Journal Article
Li, Q., Qiu, S.-C., Zhang, Y.-Q., Xue, S.-F., Tao, Z., Prior, T. J., Redshaw, C., Zhu, Q.-J., & Xiao, X. (in press). Supramolecular assemblies constructed from inverted cucurbit[7]uril and lanthanide cations: synthesis, structure and sorption properties. RSC advances, 6(81), 77805-77810. https://doi.org/10.1039/c6ra15559f

The interaction of a series of lanthanide cations (Ln³⁺) with inverted cucurbit[7]uril (iQ[7]) in the presence of [ZnCl₄]²⁻ anions as a structure-directing agent have been investigated. Single-crystal X-ray diffraction analysis has revealed that the... Read More about Supramolecular assemblies constructed from inverted cucurbit[7]uril and lanthanide cations: synthesis, structure and sorption properties.

Stabilisation of metastable polymorphs: the case of paracetamol form III (2016)
Journal Article
Telford, R., Seaton, C. C., Clout, A., Buanz, A., Gaisford, S., Williams, G. R., Prior, T. J., Okoye, C. H., Munshi, T., & Scowen, I. J. (2016). Stabilisation of metastable polymorphs: the case of paracetamol form III. Chemical communications : Chem comm / the Royal Society of Chemistry, 52(81), 12028-12031. https://doi.org/10.1039/c6cc05006a

The design of a melt synthesis of the first air-stable formulation of the metastable form III of paracetamol is derived from thermospectroscopic and thermo-diffraction experiments. Melt crystallisation in the presence of b-1,4-saccharides produces fo... Read More about Stabilisation of metastable polymorphs: the case of paracetamol form III.

Polymorphism in metal complexes of thiazole-4-carboxylic acid (2016)
Journal Article
Meundaeng, N., Rujiwatra, A., & Prior, T. J. (2016). Polymorphism in metal complexes of thiazole-4-carboxylic acid. Transition Metal Chemistry, 41(7), 783-793. https://doi.org/10.1007/s11243-016-0079-7

Five new molecular complexes of chemical formula [M(4-tza)₂(H₂O)₂] (M = Co, Ni, and Cu) and a complex of [Cu(4-tza)₂]∙4H₂O using thiazole-4-carboxylic acid (4-tza) as the ligand have been successfully synthesized and structurally characterized by sin... Read More about Polymorphism in metal complexes of thiazole-4-carboxylic acid.

Structural studies of Schiff-base [2 + 2] macrocycles derived from 2,2′-oxydianiline and the ROP capability of their organoaluminium complexes (2016)
Journal Article
Yang, W., Zhao, K.-Q., Prior, T. J., Hughes, D. L., Arbaoui, A., Elsegood, M. R. J., & Redshaw, C. (2016). Structural studies of Schiff-base [2 + 2] macrocycles derived from 2,2′-oxydianiline and the ROP capability of their organoaluminium complexes. Dalton Transactions : an international journal of inorganic chemistry, 45(30), 11990-12005. https://doi.org/10.1039/c6dt01997h

The molecular structures of a number of solvates of the [2+2] Schiff-base macrocycles {[2-(OH)-5-(R)-C₆H₂-1,3-(CH)₂][O(2-C₆H₄N)₂]}₂ (R = Me L¹H₂, tBu L²H₂, Cl L³H₂), formed by reacting 2,6-dicarboxy-4-R-phenol with 2,2/-oxydianiline (2-aminophenyleth... Read More about Structural studies of Schiff-base [2 + 2] macrocycles derived from 2,2′-oxydianiline and the ROP capability of their organoaluminium complexes.

Interaction of a symmetrical α,α',δ,δ'-Tetramethyl-cucurbit[6]uril with Ln³⁺ : potential applications for isolation of lanthanides (2016)
Journal Article
Yang, B., Gao, Z.-Z., Lu, J.-H., Zhu, Q.-J., Xue, S.-F., Tao, Z., Prior, T. J., Redshaw, C., Wei, G., & Xiao, X. (2016). Interaction of a symmetrical α,α',δ,δ'-Tetramethyl-cucurbit[6]uril with Ln³⁺ : potential applications for isolation of lanthanides. CrystEngComm RSC, 18(26), 5028-5035. https://doi.org/10.1039/c6ce00134c

The interaction of a symmetrical α,α′,δ,δ′-tetramethyl-cucurbit[6]uril (TMeQ[6]) with a series of lanthanide cations (Ln³⁺) was investigated in neutral water and in acidic solution. Analysis by single crystal X-ray diffraction revealed that different... Read More about Interaction of a symmetrical α,α',δ,δ'-Tetramethyl-cucurbit[6]uril with Ln³⁺ : potential applications for isolation of lanthanides.

Synthesis, structures and cytotoxicity studies of p-sulfonatocalix[4]arene lanthanide complexes (2016)
Journal Article
Miller-Shakesby, D. M., Burke, B. P., Nigam, S., Stasiuk, G. J., Prior, T. J., Archibald, S. J., & Redshaw, C. (2016). Synthesis, structures and cytotoxicity studies of p-sulfonatocalix[4]arene lanthanide complexes. CrystEngComm RSC, 18(26), 4977-4987. https://doi.org/10.1039/c6ce00209a

A number of p-sulfonatocalix[4]arene complexes of the lanthanides (Tb, Gd, and Eu) have been prepared, some in the presence of tetraazamacrocycle 1,4,7,10-tetraazacyclododecane-1,4,7-triacetic acid (DO3A), and fully characterised. Crystal structure d... Read More about Synthesis, structures and cytotoxicity studies of p-sulfonatocalix[4]arene lanthanide complexes.

Crystal structure of 4-carbamoylpyridinium chloride (2016)
Journal Article
Fellows, S. M., & Prior, T. J. (2016). Crystal structure of 4-carbamoylpyridinium chloride. Acta Crystallographica Section E: Crystallographic Communications, 72(4), 436-439. https://doi.org/10.1107/S2056989016003340

The hydro­chloride salt of isonicotinamide, C6H7N2O+·Cl-, has been synthesized from a dilute solution of hydro­chloric acid in aceto­nitrile. The compound displays monoclinic symmetry (space group C2/c) at 150 K, similar to the related hydro­chloride... Read More about Crystal structure of 4-carbamoylpyridinium chloride.

Growing spherulitic calcite grains in saline, hyperalkaline lakes: experimental evaluation of the effects of Mg-clays and organic acids (2016)
Journal Article
Mercedes-Martín, R., Rogerson, M., Brasier, A., Vonhof, H., Prior, T., Fellows, S., Reijmer, J., Billing, I., & Pedley, H. (2016). Growing spherulitic calcite grains in saline, hyperalkaline lakes: experimental evaluation of the effects of Mg-clays and organic acids. Sedimentary Geology, 335, 93-102. https://doi.org/10.1016/j.sedgeo.2016.02.008

The origin of spherical-radial calcite bodies - spherulites - in sublacustrine, hyperalkaline and saline systems is unclear, and therefore their palaeoenvironmental significance as allochems is disputed. Here, we experimentally investigate two hypoth... Read More about Growing spherulitic calcite grains in saline, hyperalkaline lakes: experimental evaluation of the effects of Mg-clays and organic acids.

Mono- and bis-alkylation of glyoxal-bridged tetraazamacrocycles using mechanochemistry (2016)
Journal Article
Abdulwahaab, B. H., Burke, B. P., Domarkas, J., Silversides, J. D., Prior, T. J., & Archibald, S. J. (2016). Mono- and bis-alkylation of glyoxal-bridged tetraazamacrocycles using mechanochemistry. Journal of Organic Chemistry, 81(3), 890-898. https://doi.org/10.1021/acs.joc.5b02464

Glyoxal-bridged bisaminal tetraazamacrocyclic derivatives of 1,4,7,10-tetraazacyclododecane (cyclen) and 1,4,8,11-tetraazacyclotetradecane (cyclam) can be N-functionalized to incorporate coordinating groups or for conjugation to biomolecules. Herein,... Read More about Mono- and bis-alkylation of glyoxal-bridged tetraazamacrocycles using mechanochemistry.

Vanadium(v) phenolate complexes for ring opening homo- and co-polymerisation of ε-caprolactone, L-lactide and rac-lactide (2015)
Journal Article
Ge, F., Dan, Y., Al-Khafaji, Y., Prior, T. J., Jiang, L., Elsegood, M. R. J., & Redshaw, C. (2016). Vanadium(v) phenolate complexes for ring opening homo- and co-polymerisation of ε-caprolactone, L-lactide and rac-lactide. RSC advances, 6(6), 4792-4802. https://doi.org/10.1039/c5ra24816g

The vanadyl complexes [VO(OtBu)L¹ ] (1) and {[VO(OiPr)]₂ (μ-p-L²ᵖ)} (2) {[VO(OR)]₂ (μ-p-L²ᵐ )} (R = iPr 3, tBu 4) have been prepared from [VO(OR)₃ ] (R = nPr, iPr or tBu) and the respective phenol, namely 2,2′-ethylidenebis(4,6-di-tert-butylphenol) (... Read More about Vanadium(v) phenolate complexes for ring opening homo- and co-polymerisation of ε-caprolactone, L-lactide and rac-lactide.

Molybdenum (VI) imido complexes derived from chelating phenols : Synthesis, characterization and ɛ-Caprolactone ROP capability (2015)
Journal Article
Al-Khafaji, Y., Prior, T., Redshaw, C., & Elsegood, M. (2015). Molybdenum (VI) imido complexes derived from chelating phenols : Synthesis, characterization and ɛ-Caprolactone ROP capability. Catalysts, 5(4), 1928-1947. https://doi.org/10.3390/catal5041928

Reaction of the bulky bi-phenols 2,2′-RCH[4,6-(t-Bu)₂C₆H₂OH]₂ (R = Me L¹ᵐᵉH₂, Ph L¹ᵖʰH₂) with the bis(imido) molybdenum(VI) tert-butoxides [Mo(NR¹)(NR²)(Ot-Bu)₂] (R¹ = R² = 2,6-C₆H₃-i-Pr₂; R¹ = t-Bu, R² = C₆F₅) afforded, following the successive remo... Read More about Molybdenum (VI) imido complexes derived from chelating phenols : Synthesis, characterization and ɛ-Caprolactone ROP capability.

Influence of secondary ligand on structures and topologies of lanthanide coordination polymers with 1,3,5-triazine-2,4,6-triamine hexaacetic acid (2015)
Journal Article
Bunlawee, Y., Meundaeng, N., Mookda, P., Watcharee, F., Prior, T. J., & Apinpus, R. (2015). Influence of secondary ligand on structures and topologies of lanthanide coordination polymers with 1,3,5-triazine-2,4,6-triamine hexaacetic acid. Journal of coordination chemistry, 68(23), 4184-4202. https://doi.org/10.1080/00958972.2015.1100721

© 2015 Taylor and Francis. A series of new lanthanide coordination polymers has been synthesized and structurally characterized; [Ln 4 (TTHA) 2 (pzac)(H 3 O) 2 (H 2 O)]·5H 2 O (Ln = Pr (1a) and Nd (1b)), [Sm 8 (TTHA) 4 (pzac) 0.5 (H 3 O)(H 2 O) 7.5 ]... Read More about Influence of secondary ligand on structures and topologies of lanthanide coordination polymers with 1,3,5-triazine-2,4,6-triamine hexaacetic acid.

Crystal structure of dichlorido(4,11-dimethyl-1,4,8,11-tetraazabicyclo[6.6.2]hexadecane)iron(III) hexafluoridophosphate (2015)
Journal Article
Funwie, N. L., Cain, A. N., Fanning, B. Z., Hageman, S. A., Mullens, M., Roberts, T. K., Turner, D. J., Valdez, C. N., Vaughan, R. W., Ermias, H. G., Silversides, J. D., Archibald, S. J., Hubin, T. J., & Prior, T. J. (2015). Crystal structure of dichlorido(4,11-dimethyl-1,4,8,11-tetraazabicyclo[6.6.2]hexadecane)iron(III) hexafluoridophosphate. Acta Crystallographica Section E: Crystallographic Communications, 71(9), 1073-1076. https://doi.org/10.1107/S2056989015015340

The title compound, [FeCl₂(C₁₄H₃₀N₄)]PF₆, contains Fe³⁺ coordinated by the four nitro­gen atoms of an ethyl­ene cross-bridged cyclam macrocycle and two cis chloride ligands in a distorted octa­hedral environment. In contrast to other similar compound... Read More about Crystal structure of dichlorido(4,11-dimethyl-1,4,8,11-tetraazabicyclo[6.6.2]hexadecane)iron(III) hexafluoridophosphate.

Co-crystallisation of cytosine with 1,10-phenanthroline: computational screening and experimental realisation (2015)
Journal Article
Hoxha, K., Case, D. H., Day, G. M., & Prior, T. J. (2015). Co-crystallisation of cytosine with 1,10-phenanthroline: computational screening and experimental realisation. CrystEngComm RSC, 17(37), 7130-7141. https://doi.org/10.1039/c5ce01286d

Attempts to co-crystallise the nucleobases adenine, thymine, guanine, and cytosine with 1,10-phenanthroline by ball milling and solvent evaporation methods are described. A 1:1 co-crystal of cytosine and 1,10-phenanthroline can be obtained by grindin... Read More about Co-crystallisation of cytosine with 1,10-phenanthroline: computational screening and experimental realisation.