Use of titanocalix[4]arenes in the ring opening polymerization of cyclic esters by Ziyue Sun, Yanxia Zhao, Orlando Santoro, Mark Elsegood, Elizabeth Bedwell, Khadisha Zahra, Alex Walton, Carl Redshaw

“…Attempts to prepare type II for R = n-Pr and n-pentyl using [TiCl4] resulted in the complexes {[TiL(O)3(On-propyl)]2(mu-Cl)(mu-OH)} 6∙7MeCN and {[TiL(O)3(On-pentyl)]2(mu-Cl)(mu-OH)}∙7.5MeCN (7∙7.5MeCN), respectively; [TiCl4(THF)2] resulted in a co-crystallized THF ring-opened product [Ti(NCMe)(μ3-O)L(O)4TiCl(O(CH2)4Cl)]2 - 2[TiCl(NCMe)(L(O)3(On-Pr))]∙11MeCN (8∙11MeCN). …”
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Ring opening/cyclisation in oxiranyl carbinyl free radicals by Naveed A. Zaidi

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Tetraphenolate niobium and tantalum complexes for the ring opening polymerization of epsilon-caprolactone by Yahya Al-Khafaji, Xinsen Sun, Timothy J. Prior, Mark Elsegood, Carl Redshaw

“…The molecular structures of 1–4 and the tetraphenols L1H4 and m-L2H4·2MeCN have been determined. Complexes 1–4 have been screened as pre-catalysts for the ring opening polymerization of ε-caprolactone, both with and without benzyl alcohol or solvent present, and at various temperatures; conversion rates were mostly excellent (>96%) with good control either at >100 °C over 20 h (in toluene) or 1 h (neat).…”
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Trinuclear zinc calix[4]arenes: synthesis, structure, and ring opening polymerization studies by Tian Xing, Josef Frese, Max Derbyshire, Mollie A Glenister, Mark Elsegood, Carl Redshaw

“…Attempts to make 5via a controlled hydrolysis led only to the isolation of polymorphs of (L(OH)2(Opentyl)2·MeCN. Reaction of [Zn(C6F5)2] with L(OH)2(Opentyl)2, in the presence of K2CO3, led to the isolation of the complex [Zn6(L(On-pentyl))2(OH)3(C6F5)3(NCMe)3]·3MeCN (6·3MeCN). …”
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Ring opening polymerization of lactides and lactones by multimetallic alkyl zinc complexes derived from the acids Ph2C(X)CO2H (X = OH, NH2). by Yahya Al-Khafaji, Mark Elsegood, Josef W.A. Frese, Carl Redshaw

“…The reaction of the dialkylzinc reagents R2Zn with the acids 2,2-Ph2C(X)(CO2H), where X ¼ NH2, OH, i.e. 2,20-diphenylglycine (dpgH) or benzilic acid (benzH2), in toluene at reflux temperature afforded the tetranuclear ring complexes [RZn(dpg)]4, where R ¼ Me (1), Et (2), 2-CF3C6H4 (3), and 2,4,6-F3C6H2 (4); complex 2 has been previously reported. …”
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The effect of ethanol fuel-diluted lubricants on the friction of oil control ring conjunction: A combined analytical and experimental investigation by Nick Morris, Sean Byrne, Michael Forder, Nader Dolatabadi, Paul King, Ramin Rahmani, Homer Rahnejat, Sebastian Howell-Smith

“…This study shows that the transition from E10 to E85 would have an insignificant effect on the friction generated in the oil control ring conjunction. This holistic approach, using a detailed predictive l mixed regime of lubrication model and a representative bespoke tribometry, has not hitherto been reported in the open literature.…”
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Insights into the structures adopted by titanocalix[6 and 8]arenes and their use in the ring opening polymerization of cyclic esters by Orlando Santoro, Mark Elsegood, Elizabeth Bedwell, Jake Pryce, Carl Redshaw

“…A similar reaction but employing THF resulted in the THF ring-opened product [Ti4Cl2(μ3-O)2(NCMe)2(L)2(O(CH2)4Cl)2]·4MeCN (2·4MeCN), where LH4 = p-tert-butylcalix[4]areneH4. …”
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Lithiated calix[ n]arenes (n = 6 or 8): Synthesis, structures, and use in the ring-opening polymerization of cyclic esters by Tian Xing, Chengying Jiang, Mark Elsegood, Carl Redshaw

“…Interaction of L8H8 with LiOH·H2O afforded [Li4(L8H4)(OH2)4(THF)6]·5.5THF (4·5.5THF), where intramolecular H-bond interactions involving Li, O, and H construct a cage in the core of the structure with six- and eight-membered rings. …”
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Organoaluminium complexes derived from anilines or Schiff bases for the ring-opening polymerization of ε-Caprolactone, δ-Valerolactone and rac-Lactide by Xue Wang, Ke-Qing Zhao, Yahya Al-Khafaji, Shanyan Mo, Timothy J. Prior, Mark Elsegood, Carl Redshaw

“…Reaction of R1R2CHN=CH(3,5-tBu2C6H2-OH-2) (R1 = R2 = Me L1H; R1 = Me, R2 = Ph L2H; R1 = R2 = Ph L3H) with slightly greater than one equivalent of R33Al (R3 = Me, Et) afforded the complexes [(L1–3)AlR32] (L1, R3 = Me 1, R3 = Et 2; L2, R3 = Me 3, R3 = Et 4; L3 R3 = Me 5, R3 = Et 6); complex 1 has been previously reported. …”
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Supplementary Information files for Insights into the structures adopted by titanocalix[6 and 8]arenes and their use in the ring opening polymerization of cyclic esters by Orlando Santoro, Mark Elsegood, Elizabeth Bedwell, Jake Pryce, Carl Redshaw

“…Supplementary Information files for Insights into the structures adopted by titanocalix[6 and 8]arenes and their use in the ring opening polymerization of cyclic estersInteraction of p-tert-butylcalix[6]areneH6, L1 H6, with [TiCl4] afforded the complex [Ti2Cl3(MeCN)2(OH2)(L1H)][Ti2Cl3(MeCN)3(L1H)]∙4.5MeCN (1∙4.5MeCN), in which two pseudo octahedral titanium centres are bound to one calix[6]arene. …”
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A d.c. magnetic metamaterial by F. Magnus, B. Wood, J. Moore, Kelly Morrison, G. Perkins, M.C.K. Wiltshire, D. Caplin, L.F. Cohen, J.B. Pendry, John Fyson

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Structural studies of Schiff-base [2 + 2] macrocycles derived from 2,2′-oxydianiline and the ROP capability of their organoaluminium complexes by Wenxue Yang, Ke-Qing Zhao, Timothy J. Prior, David L. Hughes, Abdessamad Arbaoui, Mark Elsegood, Carl Redshaw

“…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-aminophenylether), (2-NH2C6H4)2O, have been determined. …”
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Vanadium complexes derived from oxacalix[6]arenes: structural studies and use in the ring opening homo-/co-polymerization of ε-caprolactone/δ-valerolactone and ethylene polymerizat... by Tian Xing, Timothy J Prior, Mark Elsegood, Igor E Soshnikov, Nina V Semikolenova, Konstantin P Bryliakov, Kai Chen, Carl Redshaw

“…For comparative catalytic ring opening polymerization (ROP) studies, the known complexes [VOL3] (L3 = oxacalix[3]arene) (I), [V(Np-CH3-C6H4)L3]2 (II), [Li(MeCN)4][V2(O)2Li(MeCN)(L6H2)2] (L6H6 = p-tertbutylcalix[6]areneH6) (III) and [(VO)2L8 H] (L8H8 = p-tert-butylcalix[8]areneH8) (IV) have also been prepared. …”
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Molybdenum (Vi) imido complexes derived from chelating phenols: synthesis, characterization and ɛ-caprolactone rop capability by Yahya Al-Khafaji, Timothy J. Prior, Mark Elsegood, Carl Redshaw

“…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 removal of tert-butanol, the complexes [Mo(NC6H3i-Pr2-2,6)2L1Me] (1), [Mo(NC6H3i-Pr2-2,6)2L1Ph] (2) and [Mo(Nt-Bu)(μ-NC6F5)(L1Me)]2 (3). …”
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Investigating the effects of supramolecularly caging ligands in [Ru(bpy)2L]2+ complexes by Edwin C. Constable, Catherine E. Housecroft, Peter Kopecky, Colin J. Martin, Iain Wright, Jennifer A. Zampese

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Vanadium complexes derived from O,N,O-tridentate 6-bis(<em>o</em>-hydroxyalkyl/aryl)pyridines: structural studies and use in the ring-opening polymerization of ε-caprolactone and e... by Mark Elsegood, William Clegg, Carl Redshaw

“…Use of the bis(methylpyridine)-substituted alcohol (tBu)C(OH)[CH2(C5H3Me-5)]2, L2H, with [VO(OR)3] (R = Et, iPr) led to the isolation of [VO(μ-O)(L2)]2 (6). …”
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The synthesis of novel indolequinones by Claire L. Norton

“…The reductive activation mechanism of MMC, involves quinone reduction sequentially activating electrophilic sites in the drug molecule (C-l and C-lO for MMC). This research project was designed to investigate the role of the C-lO in alkylation processes by preparing compounds in which the electrophilicity at C-l is much reduced by substituting a cyclopropane for the aziridine ring. …”
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Wind-induced oscillations of circular cylindrical shells by C.B. Sharma

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Facile multicomponent polymerizations toward unconventional luminescent polymers with readily openable small heterocycles by Ting Han, Haiqin Deng, Zijie Qui, Zheng Zhao, Haoke Zhang, Hang Zou, Nelson L.C. Leung, Guogang Shan, Mark Elsegood, Jacky W.Y. Lam, Ben Zhong Tang

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An isoxazole approach to the coleophomones by Wing Hoi

“…The formation of isoxazole building blocks for the two approaches was by nitrile oxide l,3-dipolar cycloaddition. Several substituted phenylisoxazole diesters were made from approach 1 successfully, however, the attempt for 6-membered ring closure failed. …”
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The synthesis of novel fluorinated heterocycles and their antitrypanosomal activity by Hugh Tawell

“…Additionally, a mechanistic study has been carried out on the ring closing reaction of 2-benzamidophenylsulfanyl fluoroarenes which forms fluorinated phenothiazine scaffold to ascertain whether a Smiles rearrangement occurs before ring closure. …”
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Evaporation of sessile droplets of polyelectrolyte/surfactant mixtures on silicon wafers by Andrew Akanno, Lionel Perrin, Eduardo Guzmán, Sara Llamas, Victor Starov, Francisco Ortega, Ramón G Rubio, Manuel G Velarde

“…The wetting and evaporation behavior of droplets of aqueous solutions of mixtures of poly(diallyldimethylammonium chloride) solution, PDADMAC, with two different anionic surfactants, sodium laureth sulfate, SLES, and sodium N-lauroyl N-methyl taurate, SLMT, were studied in terms of the changes of the contact angle θ and contact length L of sessile droplets of the mixtures on silicon wafers at a temperature of 25 °C and different relative humidities in the range of 30–90%. …”
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Manganese complexes with biomimetic antioxidant activity by Leanne James

“…Catalase testing showed that a reduction of the imine bonds produced an increase in activity overall for the complexes of H2L1 (C24H29N6O2), but a decrease was observed for the reduced tripodal complexes. …”
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Mono- and tetra-nuclear copper complexes bearing bis(imino)phenoxide derived ligands: catalytic evaluation for benzene oxidation and ROP of epsilon-caprolactone by Xue Wang, Ke-Qing Zhao, Mark Elsegood, Timothy J. Prior, Xiaoming Liu, Li Wu, Sergio Sanz, Euan K. Brechin, Carl Redshaw

“…Complexes of the type [Cu(L)2] (1) and [Cu4L2(μ4−O)(OAc)4] (2) have been obtained from the reaction of the phenoxydiimine 1,3-(2,6-R22C6H3N=CH)2-5-R1C6H2OH-2 (LH) (where R1 = Me, tBu, Cl; R2 = Me, iPr) with copper(II) acetate [Cu(OAc)2]; changing the molar ratio of the reactants affords 10 differing amounts of 1 or 2. …”
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Behaviour of metals as a function of strain rate and temperature by Mark Ashton

“…Experiments were performed at temperatures from -100°C to 20°C and mean plastic strain-rates from 10-3 to 103 S-l, using a Split Hopkinson Pressure Bar (SHPB) system for high strain-rates and a Hounsfield 50 kN machine for quasistatic conditions. …”
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Ingestion of whey hydrolysate, casein, or soy protein isolate: Effects on mixed muscle protein synthesis at rest and following resistance exercise in young men by Jason E. Tang, Daniel R. Moore, Gregory W. Kujbida, Mark A. Tarnopolsky, Stuart Phillips

“…Mixed MPS was determined by a primed constant infusion of L-[ring-C] phenylalanine. Ingestion of whey protein resulted in a larger increase in blood essential amino acid, branched-chain amino acid, and leucine concentrations than either casein or soy (P < 0.05). …”
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The influence of phage modification on the impact behaviour and dispersion characteristics of calcium carbonate / polypropylene nanocomposites by Edrea Phua

“…They were cultured at 37 °C as this is the optimal temperature to culture both M13 and T4. …”
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Effect of various mix parameters on the true tensile strength of concrete by Hamid Reza Azizipesteh Baglo

“…A variety of rheological tests were also applied to characterise the fresh properties of the SCC mixes, including: slump flow, T50, L-box, V-funnel, J-ring and sieve stability. Cylinders were also visually checked after splitting for segregation. …”
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