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Thionated perylene diimides with intense absorbance in the near-IR (2015)
Journal Article
Llewellyn, B. A., Davies, S. E., Pfeiffer, C. R., Cooper, M., Lewis, W., & Champness, N. R. (2015). Thionated perylene diimides with intense absorbance in the near-IR. Chemical Communications, https://doi.org/10.1039/C5CC09962E

A synthetic strategy involving a combination of tetra-thionation and amine substitution in the bay region of a perylene diimide (PDI) leads to remarkable examples of neutral PDIs with intense absorption maxima in the near infrared. Generation of the... Read More about Thionated perylene diimides with intense absorbance in the near-IR.

Alkaline Earth Complexes of a Sterically Demanding Guanidinate Ligand: Alkaline Earth Guanidinate Complexes (2015)
Journal Article
Moxey, G. J., Blake, A. J., Lewis, W., & Kays, D. L. (2015). Alkaline Earth Complexes of a Sterically Demanding Guanidinate Ligand: Alkaline Earth Guanidinate Complexes. European Journal of Inorganic Chemistry, 2015(36), 5892-5902. https://doi.org/10.1002/ejic.201501239

The synthesis of the guanidine MesN{C(NCy2)}N(H)Mes (LH; Mes = 2,4,6-Me3C6H2, Cy = cyclohexyl), and its use as a proligand for the synthesis of alkaline earth metal complexes are reported. Described herein are (i) an unusual Hauser base cubane, (ii)... Read More about Alkaline Earth Complexes of a Sterically Demanding Guanidinate Ligand: Alkaline Earth Guanidinate Complexes.

A monometallic lanthanide bis(methanediide) single molecule magnet with a large energy barrier and complex spin relaxation behaviour (2015)
Journal Article
Gregson, M., Chilton, N. F., Ariciu, A. M., Tuna, F., Crowe, I. F., Lewis, W., …Liddle, S. T. (2015). A monometallic lanthanide bis(methanediide) single molecule magnet with a large energy barrier and complex spin relaxation behaviour. Chemical Science, 7(1), 155-165. https://doi.org/10.1039/c5sc03111g

© The Royal Society of Chemistry. We report a dysprosium(iii) bis(methanediide) single molecule magnet (SMM) where stabilisation of the highly magnetic states and suppression of mixing of opposite magnetic projections is imposed by a linear arrangeme... Read More about A monometallic lanthanide bis(methanediide) single molecule magnet with a large energy barrier and complex spin relaxation behaviour.

Isolation of Elusive HAsAsH in a Crystalline Diuranium(IV) Complex (2015)
Journal Article
Gardner, B. M., Balázs, G., Scheer, M., Wooles, A. J., Tuna, F., McInnes, E. J., …Liddle, S. T. (2015). Isolation of Elusive HAsAsH in a Crystalline Diuranium(IV) Complex. Angewandte Chemie International Edition, 54(50), 15250-15254. https://doi.org/10.1002/anie.201508600

The HAsAsH molecule has hitherto only been proposed tentatively as a short-lived species generated in electrochemical or microwave-plasma experiments. After two centuries of inconclusive or disproven claims of HAsAsH formation in the condensed phase,... Read More about Isolation of Elusive HAsAsH in a Crystalline Diuranium(IV) Complex.

Asymmetric pentafulvene carbometalation-access to enantiopure titanocene dichlorides of biological relevance (2015)
Journal Article
Cini, M., Bradshaw, T. D., Woodward, S., & Lewis, W. (2015). Asymmetric pentafulvene carbometalation-access to enantiopure titanocene dichlorides of biological relevance. Angewandte Chemie International Edition, 54(47), https://doi.org/10.1002/anie.201508034

Unprecedented asymmetric copper-catalyzed addition of ZnEt2 (ZnBu2) to the exocyclic C[DOUBLE BOND]C bond of pentafulvenes C5H4([DOUBLE BOND]CHAr) (Ar=2-MeOPh and related species) results in enantiomerically enriched (up to 93:7 e.r.) cyclopentadieny... Read More about Asymmetric pentafulvene carbometalation-access to enantiopure titanocene dichlorides of biological relevance.

A Ni(I)Fe(II) analogue of the Ni-L state of the active site of the [NiFe] hydrogenases (2015)
Journal Article
Perotto, C. U., Marshall, G., Jones, G. J., Lewis, W., McMaster, J., & Schröder, M. (2015). A Ni(I)Fe(II) analogue of the Ni-L state of the active site of the [NiFe] hydrogenases. Chemical Communications, 51, https://doi.org/10.1039/c5cc05881c

Ni(L1)Fe(tBuNC)4](PF6)2 is a robust NiIIFeII complex that undergoes a reversible one-electron reduction. Spectroscopic and theoretical studies show that [Ni(L1)Fe(tBuNC)4]+ is an unprecedented NiIFeII species that reproduces the electronic configurat... Read More about A Ni(I)Fe(II) analogue of the Ni-L state of the active site of the [NiFe] hydrogenases.

One-pot Cannizzaro cascade synthesis of ortho-Fused Cycloocta-2,5-dien-1-ones from 2-Bromo(hetero)aryl aldehydes (2015)
Journal Article
Burroughs, L., Eccleshare, L., Ritchie, J., Kulkarni, O., Lygo, B., Woodward, S., & Lewis, W. (2015). One-pot Cannizzaro cascade synthesis of ortho-Fused Cycloocta-2,5-dien-1-ones from 2-Bromo(hetero)aryl aldehydes. Angewandte Chemie International Edition, 54(36), https://doi.org/10.1002/anie.201505347

An intramolecular Cannizzaro-type hydride transfer to an in situ prepared allene enables the synthesis of orthofused 4-substituted cycloocta-2,5-dien-1-ones with unprecedented technical ease for an eight-ring carboannulation. Various derivatives coul... Read More about One-pot Cannizzaro cascade synthesis of ortho-Fused Cycloocta-2,5-dien-1-ones from 2-Bromo(hetero)aryl aldehydes.

Facile access to a heterocyclic, sp3-rich chemical scaffold via a tandem condensation/intramolecular nitrone–alkene [3+2] cycloaddition strategy (2015)
Journal Article
Rawling, M., Storr, T., Bawazir, W., Cully, S., Lewis, W., Makki, M., …Stockman, R. (2015). Facile access to a heterocyclic, sp3-rich chemical scaffold via a tandem condensation/intramolecular nitrone–alkene [3+2] cycloaddition strategy. Chemical Communications, 51(64), https://doi.org/10.1039/c5cc05070g

A heterocyclic, sp3-rich chemical scaffold was synthesised in just 6 steps via a highly regio- and diastereo-selective tandem nitrone formation/intramolecular nitrone–alkene [3+2] cycloaddition reaction. A library of 543 lead-like compounds based on... Read More about Facile access to a heterocyclic, sp3-rich chemical scaffold via a tandem condensation/intramolecular nitrone–alkene [3+2] cycloaddition strategy.

Synthesis and Intracellular Redox Cycling of Natural Quinones and Their Analogues and Identification of Indoleamine-2,3-dioxygenase (IDO) as Potential Target for Anticancer Activity (2015)
Journal Article
Blunt, C. E., Blunt, C., Torcuk, C., Liu, Y., Lewis, W., Siegel, D., …Moody, C. J. (2015). Synthesis and Intracellular Redox Cycling of Natural Quinones and Their Analogues and Identification of Indoleamine-2,3-dioxygenase (IDO) as Potential Target for Anticancer Activity. Angewandte Chemie International Edition, 54(30), 8740-8745. https://doi.org/10.1002/anie.201503323

Natural quinones, often linked with cellular oxidation processes, also exhibit pronounced biological activity. In particular, the structurally unique isothiazolo-naphthoquinone, aulosirazole, isolated from blue-green alga, possesses selective antitum... Read More about Synthesis and Intracellular Redox Cycling of Natural Quinones and Their Analogues and Identification of Indoleamine-2,3-dioxygenase (IDO) as Potential Target for Anticancer Activity.

Stereoselective synthesis of highly substituted tetrahydrofurans by diverted carbene O–H insertion reaction (2015)
Journal Article
Nicolle, S. M., Lewis, W., Hayes, C. J., & Moody, C. J. (2015). Stereoselective synthesis of highly substituted tetrahydrofurans by diverted carbene O–H insertion reaction. Angewandte Chemie International Edition, 54(29), 8485-8489. https://doi.org/10.1002/anie.201502484

Copper or rhodium catalyzed reaction of diazocarbonyl compounds with β-hydroxyketones gives highly substituted tetrahydrofurans with excellent diastereoselectivity, under mild conditions, in a single step process that starts as a carbene O–H insertio... Read More about Stereoselective synthesis of highly substituted tetrahydrofurans by diverted carbene O–H insertion reaction.

An Inverted-Sandwich Diuranium ?-?5:?5-Cyclo-P5 Complex Supported by U-P5 ?-Bonding (2015)
Journal Article
Gardner, B. M., Tuna, F., McInnes, E. J., McMaster, J., Lewis, W., Blake, A. J., & Liddle, S. T. (2015). An Inverted-Sandwich Diuranium ?-?5:?5-Cyclo-P5 Complex Supported by U-P5 ?-Bonding. Angewandte Chemie International Edition, 54(24), 7068-7072. https://doi.org/10.1002/anie.201501728

© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. Abstract Reaction of [U(TrenTIPS)] [1, TrenTIPS=N(CH2CH2NSiiPr3)3] with 0.25 equivalents of P4 reproducibly affords the unprecedented actinide inverted sandwich cyclo-P5 complex [{U(TrenTIPS)}2(μ-η... Read More about An Inverted-Sandwich Diuranium ?-?5:?5-Cyclo-P5 Complex Supported by U-P5 ?-Bonding.

Tuning coordination in s-block carbazol-9-Yl complexes (2015)
Journal Article
Ortu, F., Moxey, G. J., Blake, A. J., Lewis, W., & Kays, D. L. (2015). Tuning coordination in s-block carbazol-9-Yl complexes. Chemistry - A European Journal, 21(18), 6949-6956. https://doi.org/10.1002/chem.201406490

© 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim. 1,3,6,8-Tetra-tert-butylcarbazol-9-yl and 1,8-diaryl-3,6-di(tert-butyl)carbazol-9-yl ligands have been utilized in the synthesis of potassium and magnesium complexes. The potassium complexes (1,3,6... Read More about Tuning coordination in s-block carbazol-9-Yl complexes.

Anionic sigmatropic-electrocyclic-Chugaev cascades: accessing 12-aryl-5-(methylthiocarbonylthio)tetracenes and a related anthra[2,3-b]thiophene (2015)
Journal Article
Burroughs, L., Ritchie, J., Ngwenya, M., Khan, D., Lewis, W., & Woodward, S. (2015). Anionic sigmatropic-electrocyclic-Chugaev cascades: accessing 12-aryl-5-(methylthiocarbonylthio)tetracenes and a related anthra[2,3-b]thiophene. Beilstein Journal of Organic Chemistry, 11, https://doi.org/10.3762/bjoc.11.31

1,4-Diols resulting from the double addition of ArCCLi (Ar = Ph, substituted phenyl, 2-thienyl) to ortho-C6H4(CHO)2 undergo cascades to tetracenes on simple admixture of LiHDMS, CS2 and MeI. Acene formation proceeds by [3,3]-sigmatropic rearrangement... Read More about Anionic sigmatropic-electrocyclic-Chugaev cascades: accessing 12-aryl-5-(methylthiocarbonylthio)tetracenes and a related anthra[2,3-b]thiophene.