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Showing 1 to 12 of 252 entries
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New chemistry from an old reagent: mono- and dinuclear macrocyclic uranium(III) complexes from [U(BH4)3(THF)2].

Journal of the American Chemical Society

Arnold PL, Stevens CJ, Farnaby JH, Gardiner MG, Nichol GS, Love JB.
PMID: 25003979
J Am Chem Soc. 2014 Jul 23;136(29):10218-21. doi: 10.1021/ja504835a. Epub 2014 Jul 08.

A new robust and high-yielding synthesis of the valuable U(III) synthon [U(BH4)3(THF)2] is reported. Reactivity in ligand exchange reactions is found to contrast significantly to that of uranium triiodide. This is exemplified by the synthesis and characterization of azamacrocyclic...

Co-enrolment for the TAME and TTM-2 trials: the cerebral option.

Critical care and resuscitation : journal of the Australasian Academy of Critical Care Medicine

Parke RL, McGuinness S, Eastwood GM, Nichol A, Nielsen N, Dankiewicz J, Bellomo R.
PMID: 28651502
Crit Care Resusc. 2017 Jun;19(2):99-100.

No abstract available.

Hexahalorhenate(iv) salts of metal oxazolidine nitroxides.

Dalton transactions (Cambridge, England : 2003)

Pedersen AH, Geoghegan BL, Nichol GS, Lupton DW, Murray KS, Martínez-Lillo J, Gass IA, Brechin EK.
PMID: 28374882
Dalton Trans. 2017 Apr 19;46(16):5250-5259. doi: 10.1039/c7dt00752c.

Eight coordination compounds of formulae [Fe

The Effects of Aluminum on the Influx of Calcium, Potassium, Ammonium, Nitrate, and Phosphate in an Aluminum-Sensitive Cultivar of Barley (Hordeum vulgare L.).

Plant physiology

Nichol BE, Oliveira LA, Glass A, Siddiqi MY.
PMID: 12231781
Plant Physiol. 1993 Apr;101(4):1263-1266. doi: 10.1104/pp.101.4.1263.

The mechanism by which aluminum interferes with ion influx is not known. In this study, the effects of aluminum on the influx of the cations calcium, potassium, and ammonium and the anions nitrate and phosphate were measured in an...

Effects of thermodynamic nonideality in ligand binding studies.

Biophysical chemistry

Ford CL, Winzor DJ, Nichol LW, Sculley MJ.
PMID: 17005118
Biophys Chem. 1983 Jul;18(1):1-9. doi: 10.1016/0301-4622(83)80021-0.

Effects of thermodynamic nonideality are considered in relation to the quantitative characterization of the interaction between a small ligand. S, and a macromolecular acceptor. A, by two types of experimental procedure. The first involves determination of the concentration of...

(1R,2S)-Benzyl N-[3-(diisopropylaminocarbonyl)-2-phenylprop-3-enyl]carbamate.

Acta crystallographica. Section E, Structure reports online

Qu H, Carducci MD, Nichol GS, Hruby VJ.
PMID: 17710225
Acta Crystallogr Sect E Struct Rep Online. 2006 Sep;62(9):o3921-o3922. doi: 10.1107/S1600536806032041.

The title compound, C(25)H(32)N(2)O(3), was synthesized as part of a series of related compounds using a modified Eschenmoser-Claisen rearrangement reaction. The compound is racemic and the structure features a centrosymmetric hydrogen-bonded dimerization along with some aromatic stacking stabilization.

ON GENERATING FUNCTIONS FOR RESTRICTED PARTITIONS OF RATIONAL INTEGERS.

Proceedings of the National Academy of Sciences of the United States of America

Nicol CA, Vandiver HS.
PMID: 16589614
Proc Natl Acad Sci U S A. 1955 Jan 15;41(1):37-42. doi: 10.1073/pnas.41.1.37.

No abstract available.

A VON STERNECK ARITHMETICAL FUNCTION AND RESTRICTED PARTITIONS WITH RESPECT TO A MODULUS.

Proceedings of the National Academy of Sciences of the United States of America

Nicol CA, Vandiver HS.
PMID: 16589570
Proc Natl Acad Sci U S A. 1954 Sep;40(9):825-35. doi: 10.1073/pnas.40.9.825.

No abstract available.

Flow of He II due to an oscillating grid in the low-temperature limit.

Physical review letters

Nichol HA, Skrbek L, Hendry PC, McClintock PV.
PMID: 15245085
Phys Rev Lett. 2004 Jun 18;92(24):244501. doi: 10.1103/PhysRevLett.92.244501. Epub 2004 Jun 15.

The macroscopic flow properties of pure He II are probed in the limit of zero temperature using an oscillating grid. As the oscillation amplitude passes a first critical threshold, the resonant frequency starts decreasing but the flow remains nondissipative....

Enantioselective organocatalytic alpha-sulfenylation of substituted diketopiperazines.

Tetrahedron, asymmetry

Polaske NW, Dubey R, Nichol GS, Olenyuk B.
PMID: 20161615
Tetrahedron Asymmetry. 2009 Dec 11;20(23):2742-2750. doi: 10.1016/j.tetasy.2009.10.037.

The asymmetric organocatalytic alpha-sulfenylation of substituted piperazine-2,5-diones is reported, with cinchona alkaloids as chiral Lewis bases and electrophilic sulfur transfer reagents. Catalyst loadings, the type of sulfur transfer reagent, temperature and solvent were investigated in order to optimize the...

(E)-4-[(4-Nitro-phen-yl)diazen-yl]phenyl anthracene-9-carboxyl-ate.

Acta crystallographica. Section E, Structure reports online

Rodriguez MA, Nichol JL, Zifer T, Vance AL, Wong BM, Léonard F.
PMID: 21581239
Acta Crystallogr Sect E Struct Rep Online. 2008 Nov 08;64:o2258. doi: 10.1107/S1600536808034958.

In the title compound, C(27)H(17)N(3)O(4), the azo group displays a trans conformation and the dihedral angles between the central benzene ring and the pendant anthracene and nitro-benzene rings are 82.94 (7) and 7.30 (9)°, respectively. In the crystal structure,...

Homoleptic 'sandwich' complexes of substituted tris(methimazolyl)borate ligands with ruthenium, rhodium and palladium.

Dalton transactions (Cambridge, England : 2003)

Bailey PJ, Bell NL, Nichol GS.
PMID: 23811763
Dalton Trans. 2013 Aug 21;42(31):11281-94. doi: 10.1039/c3dt51150b.

The pursuit of heteroleptic 'half-sandwich' complexes of boron substituted anionic and charge-neutral tris(methimazolyl)borate ligands is described. The formation of the homoleptic 'sandwich' complexes was found to be favoured when the metal precursor contains labile ligands. When unable to form...

Showing 1 to 12 of 252 entries