Skip to main content

Research Repository

Advanced Search

Dr Dmitry Yufit's Outputs (11)

Highly Thermally Resistant Bisamide Gelators as Pharmaceutical Crystallization Media (2022)
Journal Article
Torres-Moya, I., Sánchez, A., Saikia, B., Yufit, D. S., Prieto, P., Carrillo, J. R., & Steed, J. W. (2022). Highly Thermally Resistant Bisamide Gelators as Pharmaceutical Crystallization Media. Gels, 9(1), Article 26. https://doi.org/10.3390/gels9010026

Three simple bisamide derivatives (G1, G2 and G3) with different structural modifications were synthesized with easy synthetic procedures in order to test their gel behaviour. The outcomes showed that hydrogen bonding was essential in gel formation;... Read More about Highly Thermally Resistant Bisamide Gelators as Pharmaceutical Crystallization Media.

Near-infrared electroluminescence beyond 940 nm in Pt(N^C^N)X complexes: influencing aggregation with the ancillary ligand X (2022)
Journal Article
Salthouse, R. J., Pander, P., Yufit, D. S., Dias, F. B., & Williams, J. G. (2022). Near-infrared electroluminescence beyond 940 nm in Pt(N^C^N)X complexes: influencing aggregation with the ancillary ligand X. Chemical Science, 13(45), 13600-13610. https://doi.org/10.1039/d2sc05023d

We present a study of aggregate excited states formed by complexes of the type Pt(N^C^N)X, where N^C^N represents a tridentate cyclometallating ligand, and X = SCN or I. These materials display near-infrared (NIR) photoluminescence in film and electr... Read More about Near-infrared electroluminescence beyond 940 nm in Pt(N^C^N)X complexes: influencing aggregation with the ancillary ligand X.

Designer Gelators for the Crystallization of a Salt Active Pharmaceutical Ingredient─Mexiletine Hydrochloride (2022)
Journal Article
Andrews, J. L., Kennedy, S. R., Yufit, D. S., McCabe, J. F., & Steed, J. W. (2022). Designer Gelators for the Crystallization of a Salt Active Pharmaceutical Ingredient─Mexiletine Hydrochloride. Crystal Growth and Design, 22(11), 6775-6785. https://doi.org/10.1021/acs.cgd.2c00925

We report an approach to obtain drug-mimetic supramolecular gelators, which are capable of stabilizing metastable polymorphs of the pharmaceutical salt mexiletine hydrochloride, a highly polymorphic antiarrhythmic drug. Solution-phase screening led t... Read More about Designer Gelators for the Crystallization of a Salt Active Pharmaceutical Ingredient─Mexiletine Hydrochloride.

Understanding the Interaction of Gluconamides and Gluconates with Amino Acids in Hair Care (2022)
Journal Article
Chambers, L. I., Yufit, D. S., Musa, O. M., & Steed, J. W. (2022). Understanding the Interaction of Gluconamides and Gluconates with Amino Acids in Hair Care. Crystal Growth and Design, 22(10), 6190-6200. https://doi.org/10.1021/acs.cgd.2c00753

A hair care mixture formed from a gluconamide derivative and 3-hydroxypropyl ammonium gluconate is known to strengthen hair fibers; however, the mechanism by which the mixture affects hair is unknown. To give insight into the aggregation of the targe... Read More about Understanding the Interaction of Gluconamides and Gluconates with Amino Acids in Hair Care.

Integral Role of Water in the Solid-State Behavior of the Antileishmanial Drug Miltefosine (2022)
Journal Article
Hall, A. V., Gostick, I. E., Yufit, D. S., Marchant, G. Y., Kirubakaran, P., Madu, S. J., …Steed, J. W. (2022). Integral Role of Water in the Solid-State Behavior of the Antileishmanial Drug Miltefosine. Crystal Growth and Design, 22(10), 6262-6266. https://doi.org/10.1021/acs.cgd.2c00843

Miltefosine is a repurposed anticancer drug and currently the only orally administered drug approved to treat the neglected tropical disease leishmaniasis. Miltefosine is hygroscopic and must be stored at subzero temperatures. In this work, we report... Read More about Integral Role of Water in the Solid-State Behavior of the Antileishmanial Drug Miltefosine.

Divergent Approach for Tris-Heteroleptic Cyclometalated Iridium Complexes Using Triisopropylsilylethynyl-Substituted Synthons (2022)
Journal Article
Edkins, R. M., Hsu, Y.-T., Fox, M. A., Yufit, D., Beeby, A., & Davidson, R. J. (2022). Divergent Approach for Tris-Heteroleptic Cyclometalated Iridium Complexes Using Triisopropylsilylethynyl-Substituted Synthons. Organometallics, 41(17), 2487-2493. https://doi.org/10.1021/acs.organomet.2c00292

Bis-heteroleptic cyclometalated iridium complexes of the form Ir(La)2(acac), where La is a substituted 2-phenylpyridine derivative and acac is an acetylacetonato ligand, are a useful class of luminescent organometallic complexes for a range of applic... Read More about Divergent Approach for Tris-Heteroleptic Cyclometalated Iridium Complexes Using Triisopropylsilylethynyl-Substituted Synthons.

Excimer or aggregate? Near infrared electro- and photoluminescence from multimolecular excited states of N^C^N-coordinated platinum(ii) complexes (2022)
Journal Article
Pander, P., Sil, A., Salthouse, R. J., Harris, C. W., Walden, M. T., Yufit, D. S., …Dias, F. B. (2022). Excimer or aggregate? Near infrared electro- and photoluminescence from multimolecular excited states of N^C^N-coordinated platinum(ii) complexes. Journal of Materials Chemistry C Materials for optical and electronic devices, 10(40), 15084-15095. https://doi.org/10.1039/d2tc01511k

We present an experimental and theoretical study of aggregate excited states formed by complexes of the type Pt(N^C^N)Cl, which display near-infrared (NIR) photoluminescence in film and NIR electroluminescence in OLED devices. Here, N^C^N represents... Read More about Excimer or aggregate? Near infrared electro- and photoluminescence from multimolecular excited states of N^C^N-coordinated platinum(ii) complexes.

From Phosphorescence to Delayed Fluorescence in One Step: Tuning Photophysical Properties by Quaternisation of an sp2-Hybridised Nitrogen Atom (2022)
Journal Article
Klimash, A., Prlj, A., Yufit, D., Mallick, A., Curchod, B., McGonigal, P., …Etherington, M. (2022). From Phosphorescence to Delayed Fluorescence in One Step: Tuning Photophysical Properties by Quaternisation of an sp2-Hybridised Nitrogen Atom. Journal of Materials Chemistry C Materials for optical and electronic devices, 10(25), 9484-9491. https://doi.org/10.1039/d2tc01737g

Control of the delayed emission of organic compounds is an important factor in the development of new display technology and for the emerging use of organic emitters in sensing and fluorescence microscopy. In particular, there is a need to understand... Read More about From Phosphorescence to Delayed Fluorescence in One Step: Tuning Photophysical Properties by Quaternisation of an sp2-Hybridised Nitrogen Atom.

Extended Conjugation Attenuates the Quenching of Aggregation-Induced Emitters by Photocyclization Pathways (2022)
Journal Article
Turley, A., Saha, P., Danos, A., Bismillah, A., Monkman, A., Yufit, D., …McGonigal, P. (2022). Extended Conjugation Attenuates the Quenching of Aggregation-Induced Emitters by Photocyclization Pathways. Angewandte Chemie International Edition, 61(24), Article e202202193. https://doi.org/10.1002/anie.202202193

Herein, we expose how the antagonistic relationship between solid-state luminescence and photocyclization of oligoaryl alkenes chromophores is modulated by the conjugation length of their alkenyl backbones. Heptaaryl cycloheptatriene molecular rotors... Read More about Extended Conjugation Attenuates the Quenching of Aggregation-Induced Emitters by Photocyclization Pathways.

The Role of the Fused Ring in Bicyclic Triazolium Organocatalysts: Kinetic, X-ray, and DFT Insights (2022)
Journal Article
Zhu, J., Moreno, I., Quinn, P., Yufit, D. S., Song, L., Young, C. M., …O’Donoghue, A. C. (2022). The Role of the Fused Ring in Bicyclic Triazolium Organocatalysts: Kinetic, X-ray, and DFT Insights. Journal of Organic Chemistry, 87(6), 4241-4253. https://doi.org/10.1021/acs.joc.1c03073

Bicyclic triazolium scaffolds are widely employed in N-heterocyclic carbene (NHC) organocatalysis. While the incorporation of a fused ring was initially for synthetic utility in accessing chiral, modular triazolyl scaffolds, recent results highlight... Read More about The Role of the Fused Ring in Bicyclic Triazolium Organocatalysts: Kinetic, X-ray, and DFT Insights.

The “Magic Linker”: Highly Effective Gelation from Sterically Awkward Packing (2022)
Journal Article
Smith, J. P., Yufit, D. S., McCabe, J. F., & Steed, J. W. (2022). The “Magic Linker”: Highly Effective Gelation from Sterically Awkward Packing. Crystal Growth and Design, 22(3), 1914-1921. https://doi.org/10.1021/acs.cgd.1c01470

Bis(urea)s based on the 4,4′-methylenebis(2,6-diethylphenylene) (4,4′-MDEP) spacer are highly effective low molecular weight gelators, and the first single crystal structure of a bis(urea) based on this spacer is reported. The structure is a conforma... Read More about The “Magic Linker”: Highly Effective Gelation from Sterically Awkward Packing.