Now showing items 1-12 of 12

  • 1,5,6-Triphenyl-8-oxa-7-selena-6-phosphabicyclo[3.2.1]octane-6-selone 

    Hua, Guoxiong; Li, Yang; Slawin, Alexandra Martha Zoya; Woollins, J Derek (2008-01) - Journal article
    The structure of the title compound, C23H21OPSe2, consists of fused puckered five- and six-membered rings, PSeC2O and C5O, respectively, with a C2O bridgehead. The C5O ring adopts a chair conformation, whilst the C2PSeO ...
  • 1-(3-Phenylpropyl)urea 

    Li, Yang; Hua, Guoxiong; Slawin, Alexandra M. Z.; Woollins, J. Derek (2009-10) - Journal article
    In the crystal of the title compound, C10H14N2O, double supramolecular layers of PhCH2CH2CH2NHC(O)NH2 are formed parallel to the bc plane by intermolecular N-H center dot center dot center dot O hydrogen bonding, with ...
  • 2,2 '-o-Phenylenediacetonitrile 

    Li, Yang; Hua, Guoxiong; Slawin, Alexandra M. Z.; Woollins, J. Derek (2009-11) - Journal article
    In the title compound, NCCH2C6H4CH2CN, the bond lengths and angles are within normal ranges. The benzene ring makes dihedral angles of 4.94 (8) and 77.04 (8)degrees with the C-C-C-N mean planes. Weak non-conventional C-H ...
  • Automated chemical crystallography 

    Fuller, Amy; Scott-Hayward, Lindesay Alexandra Sarah; Li, Yang; Buehl, Michael; Slawin, Alexandra Martha Zoya; Woollins, J Derek (2010-04-28) - Journal article
    The first fully automated small-molecule robotic X-ray diffractometer is described. After demonstrating the utility of the instrument using multiple samples of ammonium bitartrate, we investigated the conformational chirality ...
  • Bis(phenylphosphonic) anhydride 

    Li, Yang; Hua, Guoxiong; Slawin, Alexandra M. Z.; Woollins, J. Derek (2009-11) - Journal article
    The asymmetric unit of the title compound, C12H12O5P2, contains four independent molecules, generating two dimers via pairs of intermolecular O-H center dot center dot center dot O hydrogen bonds, forming R-2(2) (8) rings. ...
  • Facile synthesis and structure of novel 2,5-disubstituted 1,3,4-selenadiazoles 

    Hua, Guoxiong; Li, Yang; Fuller, Amy; Slawin, Alexandra Martha Zoya; Woollins, J Derek (2009-04) - Journal article
    The reaction of hydrazide with carbonyl chloride in the presence of sodium carbonates leads to the corresponding 1,2-diacylhydrazines [ 1a – t , R1C(O)NHNHC(O)R2, R1 = aryl, R2 = aryl or alkyl] in moderate to excellent ...
  • From phenylalkylcyanamides to heterocyclic selenazadiphospholaminediselenides and carbamidoyl(phenyl) phosphinodiselenoic acids 

    Hua, Guoxiong; Zhang, Qingzhi; Li, Yang; Slawin, Alexandra Martha Zoya; Woollins, J Derek (2008-11) - Journal article
    The reaction of 2,4-bis(phenyl)-1,3-diselenadiphosphetane-2,4- diselenide (Woollins' Reagent, WR) with phenylalkyl-cyanamides (RR'NC N, R = PhCH2CH2, R' = CH3 and R = PhCH2CH2CH2, R' = H) in refluxing toluene led to novel ...
  • Interactions of trivalent lanthanide cations with a new hexadentate di-Schiff base : new lanthanide(III) complexes from (NE,N ' E)-2,2 '-(ethane-1,2-diylbis(oxy))bis(N-(pyridin-2-ylmethylene)ethanamine) 

    Tsiouri, Mantha; Skorda, Konstantina; Papadimitriou, Christos; Li, Yang; Woollins, J. Derek; Plakatouras, John C. (2010) - Journal article
    The novel lanthanide(III) complexes [Ln(NO3)(2)L](NO3)center dot 3MeOH (Ln = La 1, Pr 2) and [Ln(NO3)(3)L](NO3)center dot 2MeOH (Ln = Gd 3, Yb 4), where L = (NE,N'E)-2,2'-(ethane-1,2-diylbis(oxy))bis(N-(pyridin-2-ylmethy ...
  • Synthesis and X-ray structures of new phosphorus-selenium heterocycles with an E-P(Se)-E ' (E, E ' = N, S, Se) linkage 

    Hua, Guoxiong; Fuller, Amy L.; Li, Yang; Slawin, Alexandra M. Z.; Woollins, J. Derek (2010-08) - Journal article
    Refluxing a toluene solution of Woollins' reagent, WR, with difunctional aromatic substrates (aryldiamines and aryldithiols) leads to a series of novel five-to seven-membered heterocycles 2a-e, 4a, 4b and 6a-c with an ...
  • Synthesis of novel 2,5-diarylselenophenes from selenation of 1,4-diarylbutane-1,4-diones or methanol/arylacetylenes 

    Hua, Guoxiong; Henry, John B.; Li, Yang; Mount, Andrew R.; Slawin, Alexandra M. Z.; Woollins, J. Derek (2010-04-07) - Journal article
    Reaction of 2,4-bis(phenyl)-1,3-diselenadiphosphetane-2,4-diselenide [PhP(Se)(mu-Se)](2) (Woollins' reagent, WR) with one equivalent of 1,4-diarylbutane-1,4-diones 1a-g in refluxing toluene affords the corresponding ...
  • Tris(ethylenediamine)zinc(II) hexafluoridosilicate 

    Li, Yang; Shi, Qi; Slawin, Alexandra M. Z.; Woollins, J. Derek; Dong, Jinxiang (2009-12) - Journal article
    The title compound, [Zn(C2H8N2)(3)](SiF6), was synthesized ionothermally using choline chloride-imidazolidone as solvent and template provider. In the crystal structure, the anions and cations are located on special positions ...
  • The X-ray crystal structures of primary aryl substituted selenoamides 

    Li, Yang; Hua, Guo-Xiong; Slawin, Alexandra M. Z.; Woollins, J. Derek (2009-02-23) - Journal article
    The X-ray structures of 12 primary selenoamides are reported. Metric parameters are provided, together with an illustration of the range of hydrogen bonding motifs.