All Outputs (39)

Probing the Mechanism of Action of Bis(phenolato) Amine (ONO Donor Set) Titanium(IV) Anticancer Agents (2024)
Journal Article
Musa, M., Abid, M., Bradshaw, T. D., Boocock, D. J., Coveney, C., Argent, S. P., & Woodward, S. (2024). Probing the Mechanism of Action of Bis(phenolato) Amine (ONO Donor Set) Titanium(IV) Anticancer Agents. Journal of Medicinal Chemistry, 67(4), 2732-2744. https://doi.org/10.1021/acs.jmedchem.3c01874

The need for anticancer therapies that overcome metallodrug resistance while minimizing adverse toxicities is targeted, herein, using titanium coordination complexes. Octahedral titanium­(IV) trans, mer-[Ti­{R1N­(CH2–2-MeO-4-R1-C6H2)2}2] [R1 = Et, al... Read More about Probing the Mechanism of Action of Bis(phenolato) Amine (ONO Donor Set) Titanium(IV) Anticancer Agents.

Bi2Se3 interlayer treatments affecting the Y3Fe5O12 (YIG) platinum spin Seebeck effect (2023)
Journal Article
Hu, Y., Weir, M. P., Pereira, H. J., Amin, O. J., Pitcairn, J., Cliffe, M. J., …Woodward, S. (2023). Bi2Se3 interlayer treatments affecting the Y3Fe5O12 (YIG) platinum spin Seebeck effect. Applied Physics Letters, 123(22), Article 223902. https://doi.org/10.1063/5.0157778

In this work, we present a method to enhance the longitudinal spin Seebeck effect at platinum/yttrium iron garnet (Pt/YIG) interfaces. The introduction of a partial interlayer of bismuth selenide (Bi2Se3, 2.5% surface coverage) interfaces significant... Read More about Bi2Se3 interlayer treatments affecting the Y3Fe5O12 (YIG) platinum spin Seebeck effect.

Can “Electric Flare Stacks” Reduce CO2 Emissions? A Case Study with Nonthermal Plasma (2023)
Journal Article
Molteni, M., Walker, G., Parmar, D., Sutton, M., Licence, P., & Woodward, S. (2023). Can “Electric Flare Stacks” Reduce CO2 Emissions? A Case Study with Nonthermal Plasma. Industrial & Engineering Chemistry Research, 62(46), 19649-19657. https://doi.org/10.1021/acs.iecr.3c02909

Gas flare stacks are the current benchmark technology for industrial pollution control. However, their impact on human health and the environment is not negligible. If net zero CO2 emissions are to be achieved, their current significant CO2 impact (4... Read More about Can “Electric Flare Stacks” Reduce CO2 Emissions? A Case Study with Nonthermal Plasma.

Conducting poly(3,4-ethylenedioxythiophene) materials with sustainable carrageenan counter-ions and their thermoelectric properties (2023)
Journal Article
Duan, Z., Phillips, J., Liirò-Peluso, L., Woodward, S., Makarovsky, O., Weir, M. P., …Amabilino, D. B. (2023). Conducting poly(3,4-ethylenedioxythiophene) materials with sustainable carrageenan counter-ions and their thermoelectric properties. Materials Advances, 22(4), Article 5573. https://doi.org/10.1039/d3ma00547j

The preparation and properties of conducting polymers comprising poly(3,4-ethylenedioxythiophene) (PEDOT) and two types of carrageenan – each on their own or combined – as counter-ions are described. The aim of the work is to provide alternative, mor... Read More about Conducting poly(3,4-ethylenedioxythiophene) materials with sustainable carrageenan counter-ions and their thermoelectric properties.

ML meets MLn: machine learning in ligand promoted homogeneous catalysis (2023)
Journal Article
Hirst, J. D., Boobier, S., Coughlan, J., Streets, J., Jacob, P. L., Pugh, O., …Woodward, S. (2023). ML meets MLn: machine learning in ligand promoted homogeneous catalysis. Artificial Intelligence Chemistry, 1(2), Article 100006. https://doi.org/10.1016/j.aichem.2023.100006

The benefits of using machine learning approaches in the design, optimisation and understanding of homogeneous catalytic processes are being increasingly realised. We focus on the understanding and implementation of key concepts, which serve as condu... Read More about ML meets MLn: machine learning in ligand promoted homogeneous catalysis.

Synthesis of Fluorinated Hydrazinylthiazole Derivatives: A Virtual and Experimental Approach to Diabetes Management (2023)
Journal Article
Mehmood, H., Akhtar, T., Haroon, M., Khalid, M., Woodward, S., Asghar, M. A., …Perveen, S. (2023). Synthesis of Fluorinated Hydrazinylthiazole Derivatives: A Virtual and Experimental Approach to Diabetes Management. ACS Omega, 8(12), 11433-11446. https://doi.org/10.1021/acsomega.3c00265

A novel series of fluorophenyl-based thiazoles was synthesized following the Hanztsch method. All of the compounds were initially verified with physical parameters (color, melting point, retardation factor (Rf)), which were further confirmed by sever... Read More about Synthesis of Fluorinated Hydrazinylthiazole Derivatives: A Virtual and Experimental Approach to Diabetes Management.

A Scalable Synthesis of Chiral Himbert Diene Ligands for Asymmetric Catalysis (2023)
Journal Article
Rit, R., Li, H., Argent, S. P., Wheelhouse, K. M., Woodward, S., & Lam, H. W. (2023). A Scalable Synthesis of Chiral Himbert Diene Ligands for Asymmetric Catalysis. Advanced Synthesis and Catalysis, 365(10), 1629-1639. https://doi.org/10.1002/adsc.202300039

Chiral dienes are important ligands in asymmetric catalysis but they are less accessible than other commonly used ligands such as chiral bisphosphines. Here, we show that intramolecular [4 + 2] cycloaddition of a simply attained chiral allenecarboxan... Read More about A Scalable Synthesis of Chiral Himbert Diene Ligands for Asymmetric Catalysis.

Design, and synthesis of selectively anticancer 4-cyanophenyl substituted thiazol-2-ylhydrazones (2022)
Journal Article
Mehmood, H., Musa, M., Woodward, S., Hossan, M. S., Bradshaw, T. D., Haroon, M., …Akhtar, T. (2022). Design, and synthesis of selectively anticancer 4-cyanophenyl substituted thiazol-2-ylhydrazones. RSC Advances, 12(52), 34126-34141. https://doi.org/10.1039/d2ra03226k

Cyclization of substituted thiosemicarbazones with α-bromo-4-cyanoacetophenone allows rapid single-step sustainable syntheses of 4-cyanophenyl-2-hydrazinylthiazoles libraries (30 examples, 66–79%). All show anticancer efficacy against HCT-116 and MCF... Read More about Design, and synthesis of selectively anticancer 4-cyanophenyl substituted thiazol-2-ylhydrazones.

Catalysis enabled synthesis, structures, and reactivities of fluorinated S8-corona[n]arenes (n = 8–12) (2022)
Journal Article
Turley, A. T., Hanson-Heine, M. W. D., Argent, S. P., Hu, Y., Jones, T. A., Fay, M., & Woodward, S. (2023). Catalysis enabled synthesis, structures, and reactivities of fluorinated S8-corona[n]arenes (n = 8–12). Chemical Science, 14(1), 70-77. https://doi.org/10.1039/d2sc05348a

Previously inaccessible large S8-corona[n]arene macrocycles (n = 8-12) with alternating aryl and 1,4-C6F4 subunits are easily prepared on up to gram scales, without the need for chromatography (up to 45% yield, 10 different examples) through new high... Read More about Catalysis enabled synthesis, structures, and reactivities of fluorinated S8-corona[n]arenes (n = 8–12).

Synthesis of Arylidenehydrazinyl‐4‐methoxyphenylthiazole Derivatives: Docking Studies, Probing Type II Diabetes Complication Management Agents (2022)
Journal Article
Mehmood, H., Akhtar, T., Haroon, M., Tahir, E., Ehsan, M., Woodward, S., & Musa, M. (2022). Synthesis of Arylidenehydrazinyl‐4‐methoxyphenylthiazole Derivatives: Docking Studies, Probing Type II Diabetes Complication Management Agents. Chemistry and Biodiversity, 19(11), Article e202200824. https://doi.org/10.1002/cbdv.202200824

Thiazole has been a key scaffold in antidiabetic drugs. In quest of new and more effective drugs a simple, efficient, high yielding (67–79 %) and convenient synthesis of arylidenehydrazinyl-4-methoxyphenyl)thiazoles is accomplished over two steps. Th... Read More about Synthesis of Arylidenehydrazinyl‐4‐methoxyphenylthiazole Derivatives: Docking Studies, Probing Type II Diabetes Complication Management Agents.

Rate of Formation of Industrial Lubricant Additive Precursors from Maleic Anhydride and Polyisobutylene (2022)
Journal Article
Streets, J., Proust, N., Parmar, D., Walker, G., Licence, P., & Woodward, S. (2022). Rate of Formation of Industrial Lubricant Additive Precursors from Maleic Anhydride and Polyisobutylene. Organic Process Research and Development, 26(9), 2749-2755. https://doi.org/10.1021/acs.oprd.2c00207

The Alder-ene reaction of neat polyisobutylene (PIB) and maleic anhydride (MAA) to produce the industrially important lubricant additive precursor polyisobutylene succinic anhydride (PIBSA) is studied at 150-180 °C. Under anaerobic conditions with [P... Read More about Rate of Formation of Industrial Lubricant Additive Precursors from Maleic Anhydride and Polyisobutylene.

Identifying Chirality in Line Drawings of Molecules Using Imbalanced Dataset Sampler for a Multilabel Classification Task (2022)
Journal Article
Kok, Y. E., Woodward, S., Özcan, E., & Torres Torres, M. (2022). Identifying Chirality in Line Drawings of Molecules Using Imbalanced Dataset Sampler for a Multilabel Classification Task. Molecular Informatics, 41(12), Article 2200068. https://doi.org/10.1002/minf.202200068

Chirality, the ability of some molecules to exist as two non-superimposable mirror images, profoundly influences both chemistry and biology. Advances in deep learning enable the automatic recognition of chemical structure diagrams, however, studies o... Read More about Identifying Chirality in Line Drawings of Molecules Using Imbalanced Dataset Sampler for a Multilabel Classification Task.

Dewar Benzenoids Discovered in Carbon Nanobelts (2020)
Journal Article
Hanson-Heine, M. W., Rogers, D. M., Woodward, S., & Hirst, J. D. (2020). Dewar Benzenoids Discovered in Carbon Nanobelts. Journal of Physical Chemistry Letters, 11(10), 3769-3772. https://doi.org/10.1021/acs.jpclett.0c01027

© 2020 American Chemical Society. The synthesis of cyclacene nanobelts remains an elusive goal dating back over 60 years. These molecules represent the last unsynthesized building block of carbon nanotubes and may be useful both as seed molecules for... Read More about Dewar Benzenoids Discovered in Carbon Nanobelts.

Conjugate Addition Routes to 2-alkyl-2,3-dihydroquinolin-4(1H)-ones and 2-alkyl-4-hydroxy-1,2-dihydroquinoline-3-carboxylates (2019)
Journal Article
Kingsbury, A., Brough, S., Pedrina McCarthy, A., Lewis, W., & Woodward, S. (2020). Conjugate Addition Routes to 2-alkyl-2,3-dihydroquinolin-4(1H)-ones and 2-alkyl-4-hydroxy-1,2-dihydroquinoline-3-carboxylates. European Journal of Inorganic Chemistry, 2020(11-12), 1011-1017. https://doi.org/10.1002/ejic.201901036

Under CuBr·SMe2/PPh3 catalysis (5/10 mol-%) RMgCl (R = Me, Et, nPr, CH=CH2, nBu, iBu, nC5H11, cC6H11, Bn, CH2Bn, nC11H23) readily (-78 oC) undergo 1,4-addition to Cbz or Boc protected quinolin-4(1H)-ones to provide 2-alkyl-2,3-dihydroquinolin-4(1H)-o... Read More about Conjugate Addition Routes to 2-alkyl-2,3-dihydroquinolin-4(1H)-ones and 2-alkyl-4-hydroxy-1,2-dihydroquinoline-3-carboxylates.

Syntheses of 7-substituted anthra[2,3-b]thiophene derivatives and naphtho[2,3-b:6,7-b’]dithiophene (2018)
Journal Article
Al-jumaili, M. A., & Woodward, S. (2018). Syntheses of 7-substituted anthra[2,3-b]thiophene derivatives and naphtho[2,3-b:6,7-b’]dithiophene. Journal of Organic Chemistry, 83(18), 11437-11445. https://doi.org/10.1021/acs.joc.8b01770

7-R-anthra[2,3-b]thiophene derivatives (1, R = H, Me, i-Pr, MeO) are prepared in three steps (in average overall yield >50%) starting from (E)-4-RC6H4CH2(HOCH2)C=CI(CH2OH). The latter are commercial or readily prepared from 2-butyne-1,4-diol and ArC... Read More about Syntheses of 7-substituted anthra[2,3-b]thiophene derivatives and naphtho[2,3-b:6,7-b’]dithiophene.

Capturing waste heat energy with charge-transfer organic thermoelectrics (2018)
Journal Article
Dimitrov, V., & Woodward, S. (2018). Capturing waste heat energy with charge-transfer organic thermoelectrics. SYNTHESIS, 50(19), 3833-3842. https://doi.org/10.1055/s-0037-1610208

Electrically conducting organic salts, known for over 60 years, have recently demonstrated new abilities to convert waste heat directly into electrical power via the thermoelectric effect. Multiple opportunities are emerging for new structure-propert... Read More about Capturing waste heat energy with charge-transfer organic thermoelectrics.

Synthesis and thermoelectric properties of 2- and 2,8-substituted tetrathiotetracenes (2018)
Journal Article
Robert Garrett, M., Durán-Peña, M. J., Lewis, W., Pudzs, K., Uzulis, J., Mihailovs, I., …Woodward, S. (2018). Synthesis and thermoelectric properties of 2- and 2,8-substituted tetrathiotetracenes. Journal of Materials Chemistry C, 6(13), 3403-3409. https://doi.org/10.1039/c8tc00073e

Reaction of elemental sulfur with 2-R1 and 2,8-R1,R2-substituted tetracenes (2) in refluxing DMF affords 5,6,11,12 tetrathiotetracenes (1) in good yields (74-99%) for a range of substituents where R1,R2 are: H,H (a); Me,H (b); MeO,H (c); Ph,H (d); Me... Read More about Synthesis and thermoelectric properties of 2- and 2,8-substituted tetrathiotetracenes.

Enantioselective synthesis of 6,6-disubstituted pentafulvenes containing a chiral pendant hydroxy group (2017)
Journal Article
Nouch, R., Cini, M., Magre, M., Abid, M., Diéguez, M., Pàmies, O., …Lewis, W. (in press). Enantioselective synthesis of 6,6-disubstituted pentafulvenes containing a chiral pendant hydroxy group. Chemistry - A European Journal, https://doi.org/10.1002/chem.201704247

Simple enantioselective synthesis of 6,6-disubstituted pentafulvenes bearing chiral pendant hydroxy groups are attained by cascade reactivity using commercially available proline-based organocatalysts. Condensation of cyclopentadiene with the acetyl... Read More about Enantioselective synthesis of 6,6-disubstituted pentafulvenes containing a chiral pendant hydroxy group.

Kinetic analysis of Copper(I)/Feringa-Phosphoramidite Catalysed AlEt3 1,4-Addition to Cyclohex-2-en-1-one (2017)
Journal Article
Willcox, D., Nouch, R., Kingsbury, A., Robinson, D., Carey, J. V., Brough, S., & Woodward, S. (in press). Kinetic analysis of Copper(I)/Feringa-Phosphoramidite Catalysed AlEt3 1,4-Addition to Cyclohex-2-en-1-one. ACS Catalysis, https://doi.org/10.1021/acscatal.7b02198

ReactIR studies of mixtures of AlEt3 (A) and cyclohex-2-en-1-one (CX) in Et2O indicate immediate formation of the Lewis acid-base complex (CX.A) at -40 oC (K = 12.0 M-1, ΔGoreact -1.1 kcal mol-1). Copper(I) catalysts, derived from pre-catalytic Cu(OA... Read More about Kinetic analysis of Copper(I)/Feringa-Phosphoramidite Catalysed AlEt3 1,4-Addition to Cyclohex-2-en-1-one.

Efficient synthesis of 2,5-dicarbonyl derivatives of 3,4-ethylenedithiothiophene (EDTT) via addition-elimination reaction (2017)
Journal Article
Al-jumaili, M. A., & Woodward, S. (2017). Efficient synthesis of 2,5-dicarbonyl derivatives of 3,4-ethylenedithiothiophene (EDTT) via addition-elimination reaction. Tetrahedron, 73(40), https://doi.org/10.1016/j.tet.2017.08.026

Derivatives of 3,4-ethylenedithiothiophene (EDTT) are reported starting from tetrabromothiophene. Selective 2,5-dilithiation followed by reaction with a range of aldehydes gives diols as mixtures of diastereomers. Only the 2 and 5 positions in thioph... Read More about Efficient synthesis of 2,5-dicarbonyl derivatives of 3,4-ethylenedithiothiophene (EDTT) via addition-elimination reaction.