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Norbornene chaotropic salts as low molecular mass ionic organogelators (LMIOGs) (2018)
Journal Article
Engstrom, J. R., Savyasachi, A. J., Parhizkar, M., Sutti, A., Hawes, C. S., White, J. M., …Pfeffer, F. M. (2018). Norbornene chaotropic salts as low molecular mass ionic organogelators (LMIOGs). Chemical Science, https://doi.org/10.1039/C8SC01798K

Phenylalanine functionalised norbornene (9:Na) functions as a potent, low molecular-mass (MW = 333 Da) ionic organogelator with a minimum gelating concentration of 0.5 wt% in THF, i-PrOH, 1,4-dioxane and n-BuOH. Fibrous crystals form in the gel and X... Read More about Norbornene chaotropic salts as low molecular mass ionic organogelators (LMIOGs).

Synthesis, structural characterisation and antiproliferative activity of a new fluorescent 4-amino-1,8-naphthalimide Tröger's base-Ru(ii)-curcumin organometallic conjugate (2018)
Journal Article
Hawes, C. S. (2018). Synthesis, structural characterisation and antiproliferative activity of a new fluorescent 4-amino-1,8-naphthalimide Tröger's base-Ru(ii)-curcumin organometallic conjugate. Chemical Communications, 4120-4123. https://doi.org/10.1039/C8CC01584H

The synthesis, photophysics and biological investigation of fluorescent 4-amino-1,8-naphthalimide Tröger's bases (TB-1-TB-3) and a new Tröger's base p-cymene-Ru(ii)-curcumin organometallic conjugate (TB-Ru-Cur) are described; these compounds showed f... Read More about Synthesis, structural characterisation and antiproliferative activity of a new fluorescent 4-amino-1,8-naphthalimide Tröger's base-Ru(ii)-curcumin organometallic conjugate.

Anisotropic Thermal and Guest-Induced Responses of an Ultramicroporous Framework with Rigid Linkers (2018)
Journal Article
Hawes, C. S. (2018). Anisotropic Thermal and Guest-Induced Responses of an Ultramicroporous Framework with Rigid Linkers. Chemistry - A European Journal, 4774-4779. https://doi.org/10.1002/chem.201800261

The interdependent effects of temperature and guest uptake on the structure of the ultramicroporous metal-organic framework [Cu3 (cdm)4 ] (cdm=C(CN)2 (CONH2 )- ) were explored in detail by using in situ neutron scattering and density functional theor... Read More about Anisotropic Thermal and Guest-Induced Responses of an Ultramicroporous Framework with Rigid Linkers.

Coordination chemistry of flexible benzene-1,3,5-tricarboxamide derived carboxylates; notable structural resilience and vaguely familiar packing motifs (2018)
Journal Article
Hawes, C. S. (2018). Coordination chemistry of flexible benzene-1,3,5-tricarboxamide derived carboxylates; notable structural resilience and vaguely familiar packing motifs. Dalton Transactions, 5259-5268. https://doi.org/10.1039/C8DT00439K

Flexible benzene-1,3,5-tricarboxamides (BTAs), organic species well-known for their tendencies to form functional soft-materials by virtue of their complementary hydrogen bonding, are explored as structurally reinforcing supramolecular building block... Read More about Coordination chemistry of flexible benzene-1,3,5-tricarboxamide derived carboxylates; notable structural resilience and vaguely familiar packing motifs.

A Lanthanide Luminescent Cation Exchange Material Derived from a Flexible Tricarboxylic Acid 2,6-Bis(1,2,3-triazol-4-yl)pyridine (btp) Tecton (2018)
Journal Article
McCarney, E. P., Hawes, C. S., Kitchen, J. A., Byrne, K., Schmitt, W., & Gunnlaugsson, T. (2018). A Lanthanide Luminescent Cation Exchange Material Derived from a Flexible Tricarboxylic Acid 2,6-Bis(1,2,3-triazol-4-yl)pyridine (btp) Tecton. Inorganic Chemistry, 3920-3930. https://doi.org/10.1021/acs.inorgchem.8b00080

The synthesis of the three-dimensional metal–organic framework material, [Zn7L6]·(H2NMe2)4·(H2O)45 (1), derived from a flexible tricarboxylic acid 2,6-bis(1,2,3-triazol-4-yl)pyridine (btp) ligand, is presented. The btp ligand, H3L, adopts a three-dim... Read More about A Lanthanide Luminescent Cation Exchange Material Derived from a Flexible Tricarboxylic Acid 2,6-Bis(1,2,3-triazol-4-yl)pyridine (btp) Tecton.

One-pot facile synthesis of 4-amino-1,8-naphthalimide derived Tröger's bases via a nucleophilic displacement approach (2017)
Journal Article
Shanmugaraju, S., McAdams, D., Pancotti, F., Hawes, C. S., Veale, E. B., Kitchen, J. A., & Gunnlaugsson, T. One-pot facile synthesis of 4-amino-1,8-naphthalimide derived Tröger's bases via a nucleophilic displacement approach. Organic and Biomolecular Chemistry, 15(35), 7321-7329. https://doi.org/10.1039/c7ob01835e

We report here a novel one-pot synthetic strategy for the synthesis of a family of N-alkyl-1,8-naphthalimide based Tröger's bases via a nucleophilic substitution reaction of a common ‘precursor’ (or a ‘synthon’) N-aryl-1,8-naphthalimide Tröger's base... Read More about One-pot facile synthesis of 4-amino-1,8-naphthalimide derived Tröger's bases via a nucleophilic displacement approach.

Supramolecular coordination polymers using a close to ‘V-shaped’ fluorescent 4-amino-1,8-naphthalimide Tröger's base scaffold (2017)
Journal Article
Shanmugaraju, S., Hawes, C. S., Savyasachi, A. J., Blasco, S., Kitchen, J. A., & Gunnlaugsson, T. (in press). Supramolecular coordination polymers using a close to ‘V-shaped’ fluorescent 4-amino-1,8-naphthalimide Tröger's base scaffold. Chemical Communications, 53(93), 12512-12515. https://doi.org/10.1039/c7cc07333j

A V-shaped 4-amino-1,8-naphthalimide derived dipyridyl ligand comprising the Tröger's base structural motif has been synthesised and subsequently used in the formation of two new supramolecular coordination polymers.

A Schiff-base cross-linked supramolecular polymer containing diiminophenol compartments and its interaction with copper(II) ions (2017)
Journal Article
Klein-Hitpaß, M., Lynes, A. D., Hawes, C. S., Byrne, K., Schmitt, W., & Gunnlaugsson, T. (2018). A Schiff-base cross-linked supramolecular polymer containing diiminophenol compartments and its interaction with copper(II) ions. Supramolecular Chemistry, 30(2), 93-102. https://doi.org/10.1080/10610278.2017.1362108

We report here the preparation of a Schiff-base linked organic polymer 1 based on linkages containing the potent supramolecular aggregator benzene-1,3,5-tricarboxamide, connected through 2,6-diiminophenol metal binding pockets into a cross-linked pol... Read More about A Schiff-base cross-linked supramolecular polymer containing diiminophenol compartments and its interaction with copper(II) ions.

Selectivity differences of coordination compound stationary phases for polyaromatic hydrocarbons and polar analytes in gas and liquid phases (2017)
Journal Article
Nolvachai, Y., Kulsing, C., Hawes, C. S., Batten, S. R., Turner, D. R., & Marriott, P. J. (2017). Selectivity differences of coordination compound stationary phases for polyaromatic hydrocarbons and polar analytes in gas and liquid phases. Journal of Chromatography A, 1500, 167-171. https://doi.org/10.1016/j.chroma.2017.04.037

A precursor solution to the metal–organic framework (MOF), Cd(1,4,7,10-tetrakis(4-carboxybenzyl)-1,4,7,10-tetraazacyclododecane), was aged in a surface-functionalised 250 μm-diameter capillary, to generate a film containing the constituents of the bu... Read More about Selectivity differences of coordination compound stationary phases for polyaromatic hydrocarbons and polar analytes in gas and liquid phases.

Crystal Engineering of 6-Carboxy-4-aryl-2,2′-bipyridine Complexes: Potent Chelators with Intrinsic Intermolecular Affinity (2017)
Journal Article
Dalton, H. L., Hawes, C. S., & Gunnlaugsson, T. (2017). Crystal Engineering of 6-Carboxy-4-aryl-2,2′-bipyridine Complexes: Potent Chelators with Intrinsic Intermolecular Affinity. Crystal Growth and Design, 17(8), 4365-4376. https://doi.org/10.1021/acs.cgd.7b00683

Herein we report the coordination chemistry and structural properties of two multifunctional terdentate 2,2′-bipyridine derivatives 4- and 3-(4-nitrophenyl)-2,2′-bipyridine-6-carboxylate, L1/L2, respectively. We report eight new coordination complexe... Read More about Crystal Engineering of 6-Carboxy-4-aryl-2,2′-bipyridine Complexes: Potent Chelators with Intrinsic Intermolecular Affinity.

Pyrazolo[4,3-h]quinoline Ligand-Based Iridium(III) Complexes for Electrochemiluminescence (2017)
Journal Article
Hsu, C., Longhi, E., Sinn, S., Hawes, C. S., Young, D. C., Kruger, P. E., & Cola, L. D. (2017). Pyrazolo[4,3-h]quinoline Ligand-Based Iridium(III) Complexes for Electrochemiluminescence. Chemistry - An Asian Journal, 12(13), 1649-1658. https://doi.org/10.1002/asia.201700556

Electrochemiluminescence (ECL) based on [Ru(bpy)3]2+ systems is widely utilized for immunoassays. In order to extend the promising potential of ECL-based applications, IrIII complexes have recently attracted attention as probes because of their excel... Read More about Pyrazolo[4,3-h]quinoline Ligand-Based Iridium(III) Complexes for Electrochemiluminescence.

A folded [2 x 2] metallo-supramolecular grid from a bis-tridentate (1,2,3-triazol-4-yl)-picolinamide (tzpa) ligand (2017)
Journal Article
Barry, D. E., Hawes, C. S., Byrne, J. P., la Cour Poulsen, B., Ruether, M., O'Brien, J. E., & Gunnlaugsson, T. (2017). A folded [2 x 2] metallo-supramolecular grid from a bis-tridentate (1,2,3-triazol-4-yl)-picolinamide (tzpa) ligand. Dalton Transactions, 6464 -6472. https://doi.org/10.1039/C7DT01533J

A flexible ditopic ligand 1 containing two N,N,O-tridentate (1,2,3-triazol-4-yl)-picolinamide chelating pockets is reported and the formation of multimetallic architectures is explored in the solid and the solution phase. The self-assembled ZnII comp... Read More about A folded [2 x 2] metallo-supramolecular grid from a bis-tridentate (1,2,3-triazol-4-yl)-picolinamide (tzpa) ligand.

Multichannel Luminescent Lanthanide Polymers as Ratiometric Sensors for D2O (2017)
Journal Article
Hawes, C. S., & Gunnlaugsson, T. (2017). Multichannel Luminescent Lanthanide Polymers as Ratiometric Sensors for D2O. Chem, 2(4), 463-465. https://doi.org/10.1016/j.chempr.2017.03.010

Luminescent sensors for ions and molecules have found numerous applications in areas such as biology, medicine, security, and environmental monitoring. However, designing portable sensors for differentiating similar chemical species, such as D2O in H... Read More about Multichannel Luminescent Lanthanide Polymers as Ratiometric Sensors for D2O.

Benzene-1,3,5-tricarboxamide n-alkyl ester and carboxylic acid derivatives: tuneable structural, morphological and thermal properties (2017)
Journal Article
Lynes, A. D., Hawes, C. S., Ward, E. N., Haffner, B., Möbius, M. E., Byrne, K., …Gunnlaugsson, T. (in press). Benzene-1,3,5-tricarboxamide n-alkyl ester and carboxylic acid derivatives: tuneable structural, morphological and thermal properties. CrystEngComm, 19(10), 1427-1438. https://doi.org/10.1039/c7ce00206h

A family of five benzene-1,3,5-tricarboxamide (BTA) compounds with varied side arm functionality [alkyl: n = 3, 4 and 5 chains; and ester and carboyxic acids] is reported. Investigations into their self-assembly behaviour revealed the extent to which... Read More about Benzene-1,3,5-tricarboxamide n-alkyl ester and carboxylic acid derivatives: tuneable structural, morphological and thermal properties.

Coordination chemistry of N-picolyl-1,8-naphthalimides: colourful low molecular weight metallo-gelators and unique chelation behaviours (2017)
Journal Article
Hawes, C. S. (2017). Coordination chemistry of N-picolyl-1,8-naphthalimides: colourful low molecular weight metallo-gelators and unique chelation behaviours. Inorganic Chemistry Frontiers, 296 -308. https://doi.org/10.1039/c6qi00498a

We have prepared a series of N-picolyl-1,8-naphthalimide derivatives and explored their coordination chemistry with d-block metal ions in the solid and solution states, and exploited the structural and chemical properties of these ligands to generat... Read More about Coordination chemistry of N-picolyl-1,8-naphthalimides: colourful low molecular weight metallo-gelators and unique chelation behaviours.

Facile adaptation of 1D Mn(ii) chain motifs to form 3D azo-pyridine-based coordination polymers (2017)
Journal Article
Ako, A. M., Hawes, C. S., Twamley, B., & Schmitt, W. (in press). Facile adaptation of 1D Mn(ii) chain motifs to form 3D azo-pyridine-based coordination polymers. CrystEngComm, 19(6), 994-1000. https://doi.org/10.1039/c6ce02493a

We report the synthesis of a simple 1D Mn-azopyridine-based coordination polymer, poly-[MnII(NO3)2(OH2)2(azopy)2]·2MeCN (1) (azopy = 4,4′-azobis(pyridine)) and its use as a convenient feedstock to afford two 3D coordination polymers, namely: poly-[Mn... Read More about Facile adaptation of 1D Mn(ii) chain motifs to form 3D azo-pyridine-based coordination polymers.

Flexible Porous Coordination Polymers from Divergent Photoluminescent 4-Oxo-1,8-naphthalimide Ligands (2016)
Journal Article
Hawes, C. S. (2016). Flexible Porous Coordination Polymers from Divergent Photoluminescent 4-Oxo-1,8-naphthalimide Ligands. Inorganic Chemistry, 11570 -11582. https://doi.org/10.1021/acs.inorgchem.6b02137

Two new luminescent ditopic naphthalimide-derived ligands, N-(4-cyanophenylmethylene)-4-(4-cyanophenoxy)-1,8-naphthalimide (L3) and N-(4-carboxyphenylmethylene)-4-(4-carboxyphenoxy)-1,8- naphthalimide (H2L4), have been prepared, and their coordinati... Read More about Flexible Porous Coordination Polymers from Divergent Photoluminescent 4-Oxo-1,8-naphthalimide Ligands.

Porous Polyrotaxane Coordination Networks Containing Two Distinct Conformers of a Discontinuously Flexible Ligand (2016)
Journal Article
Hawes, C. S., Knowles, G. P., Chaffee, A. L., White, K. F., Abrahams, B. F., Batten, S. R., & Turner, D. R. (2016). Porous Polyrotaxane Coordination Networks Containing Two Distinct Conformers of a Discontinuously Flexible Ligand. Inorganic Chemistry, 10467 -10474. https://doi.org/10.1021/acs.inorgchem.6b01713

A new divergent homopiperazine-derived ligand N,N'-bis(4-carboxyphenyl)-1,4-diazacycloheptane H2L has been prepared, containing a semirigid saturated heterocyclic core which is capable of providing multiple distinct bridging geometries. Reaction of H... Read More about Porous Polyrotaxane Coordination Networks Containing Two Distinct Conformers of a Discontinuously Flexible Ligand.

Structure Direction, Solvent Effects, and Anion Influences in Halogen-Bonded Adducts of 2,6-Bis(iodoethynyl)pyridine (2016)
Journal Article
Barry, D. E., Hawes, C. S., Blasco, S., & Gunnlaugsson, T. (2016). Structure Direction, Solvent Effects, and Anion Influences in Halogen-Bonded Adducts of 2,6-Bis(iodoethynyl)pyridine. Crystal Growth and Design, 16(9), 5194-5205. https://doi.org/10.1021/acs.cgd.6b00766

A new divergent and self-complementary halogen bond donor–acceptor molecule 2,6-bis(iodoethynyl)pyridine L has been prepared and structurally characterized, and used to generate a series of extended halogen-bonded adducts with tetrabutylammonium hali... Read More about Structure Direction, Solvent Effects, and Anion Influences in Halogen-Bonded Adducts of 2,6-Bis(iodoethynyl)pyridine.