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Showing 1 to 12 of 630 entries
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Macrocyclic hosts for fullerenes: extreme changes in binding abilities with small structural variations.

Journal of the American Chemical Society

Canevet D, Gallego M, Isla H, de Juan A, Pérez EM, Martín N.
PMID: 21319799
J Am Chem Soc. 2011 Mar 09;133(9):3184-90. doi: 10.1021/ja111072j. Epub 2011 Feb 14.

Exploiting the shape and electronic complementarity of C(60) and C(70) with π-extended derivatives of tetrathiafulvalene (exTTF), we have very recently reported a macrocyclic receptor featuring two exTTF recognizing units which forms 1:1 complexes with C(60) with log K(a) =...

Combined theoretical and experimental study of the valence, Rydberg, and ionic states of chlorobenzene.

The Journal of chemical physics

Palmer MH, Ridley T, Vrønning Hoffmann S, Jones NC, Coreno M, de Simone M, Grazioli C, Zhang T, Biczysko M, Baiardi A, Peterson KA.
PMID: 27036443
J Chem Phys. 2016 Mar 28;144(12):124302. doi: 10.1063/1.4944078.

New photoelectron (PE) and ultra violet (UV) and vacuum UV (VUV) spectra have been obtained for chlorobenzene by synchrotron study with higher sensitivity and resolution than previous work and are subjected to detailed analysis. In addition, we report on...

One-Step Conversion of Methyl Ketones to Acyl Chlorides.

The Journal of organic chemistry

Zaragoza F.
PMID: 26427718
J Org Chem. 2015 Oct 16;80(20):10370-4. doi: 10.1021/acs.joc.5b01707. Epub 2015 Oct 02.

Treatment of aromatic and heteroaromatic methyl ketones with sulfur monochloride and catalytic amounts of pyridine in refluxing chlorobenzene leads to the formation of acyl chlorides. Both electron-rich and electron-poor aryl methyl ketones can be used as starting materials. The...

Hydrophobicity of complex organic mixtures.

Environmental science and pollution research international

Verbruggen EM, van Loon WM, Hermens JL.
PMID: 24235057
Environ Sci Pollut Res Int. 1996 Sep;3(3):163-8. doi: 10.1007/BF02985527.

Hydrophobicity is an important property in risk assessment of chemicals. A group parameter that reflects the hydrophobicity of technical mixtures is not yet available. However, many substances are complex organic mixtures, for which it is practically impossible to determine...

Solid-phase microextraction with a graphene-composite-coated fiber coupled with GC for the determination of some halogenated aromatic hydrocarbons in water samples.

Journal of separation science

Zhang G, Li Z, Zang X, Wang C, Wang Z.
PMID: 24318069
J Sep Sci. 2014 Feb;37(4):440-6. doi: 10.1002/jssc.201301183. Epub 2014 Jan 06.

In this work, a graphene composite was coated onto etched stainless-steel wire through a sol-gel technique and it was used as a solid-phase microextraction (SPME) fiber. The prepared fiber was characterized by SEM, which revealed that the fiber had...

Theoretical and experimental studies on three new coordination complexes of Co(II), Ni(II), and Cu(II) with 2,4-dichloro-6-{(E)-[(5-chloro-2 sulfanylphenyl)imino]methyl}phenol Schiff base ligand.

Journal of molecular modeling

Kusmariya BS, Mishra AP.
PMID: 26438445
J Mol Model. 2015 Nov;21(11):278. doi: 10.1007/s00894-015-2805-z. Epub 2015 Oct 05.

Three mononuclear coordination complexes of Co(II), Ni(II), and Cu(II) have been synthesized from 2,4-dichloro-6-{(E)-[(5-chloro-2-sulfanylphenyl)imino]methyl}phenol ligand (H 2 L) obtained by simple condensation reaction of 3,5-dichloro-2-hydroxybenzaldehyde and 2-amino-4-chlorobenzenethiol and characterized by elemental analysis, spectral (FT-IR, electronic, and (1)H-NMR), molar conductance,...

In Situ GIWAXS Analysis of Solvent and Additive Effects on PTB7 Thin Film Microstructure Evolution during Spin Coating.

Advanced materials (Deerfield Beach, Fla.)

Manley EF, Strzalka J, Fauvell TJ, Jackson NE, Leonardi MJ, Eastham ND, Marks TJ, Chen LX.
PMID: 28990271
Adv Mater. 2017 Nov;29(43). doi: 10.1002/adma.201703933. Epub 2017 Oct 09.

The influence of solvent and processing additives on the pathways and rates of crystalline morphology formation for spin-coated semiconducting PTB7 (poly[[4,8-bis[(2-ethylhexyl)oxy]benzo[1,2-b:4,5-b']dithiophene-2,6-diyl][3-fluoro-2-[(2-ethylhexyl)-carbonyl]-thieno[3,4-b]thiophenediyl]]) thin films is investigated by in situ grazing incidence wide-angle X-ray scattering (GIWAXS) and optical reflectance, to better...

How the cation 1-butyl-3-methylimidazolium impacts the interaction between the entrapped water and the reverse micelle interface created with an ionic liquid-like surfactant.

Soft matter

Lépori CM, Correa NM, Silber JJ, Falcone RD.
PMID: 26542472
Soft Matter. 2016 Jan 21;12(3):830-44. doi: 10.1039/c5sm02421h. Epub 2015 Nov 06.

The behavior of the interfacial water entrapped in reverse micelles (RMs) formed by the ionic liquid-like surfactant 1-butyl-3-methylimidazolium 1,4-bis-2-ethylhexylsulfosuccinate (bmim-AOT) dissolved in benzene (or chlorobenzene) was investigated using noninvasive techniques such as dynamic light scattering (DLS), static light scattering...

Triggering the approach of an arene or heteroarene towards an aldehyde via Lewis acid-aldehyde communication.

Organic & biomolecular chemistry

Pratihar S.
PMID: 26864596
Org Biomol Chem. 2016 Mar 14;14(10):2854-65. doi: 10.1039/c5ob02284c.

The present work reports a combined experimental/computational study of the Lewis acid promoted hydroxyalkylation reaction involving aldehyde and arene/heteroarene and reveals a mechanism in which the rate determining aldehyde to alcohol formation via a four-member cyclic transition state (TS)...

Highly active chromium-based selective ethylene tri-/tetramerization catalysts supported by PNPO phosphazane ligands.

Dalton transactions (Cambridge, England : 2003)

Zhou Y, Wu H, Xu S, Zhang X, Shi M, Zhang J.
PMID: 25919568
Dalton Trans. 2015 May 28;44(20):9545-50. doi: 10.1039/c5dt00801h.

Novel Cr(iii) catalysts supported by PNPO phosphazane ligands of the type Ph2PN(R)P(Ph)OAr have been prepared, all of which, upon activation with MMAO-3A, are highly active in ethylene tri-/tetramerization with considerable selectivity. The effect of ligand substitution on the catalytic...

Activation of Organic Photovoltaic Light Detectors Using Bend Leakage from Optical Fibers.

ACS applied materials & interfaces

Griffith MJ, Willis MS, Kumar P, Holdsworth JL, Bezuidenhout H, Zhou X, Belcher W, Dastoor PC.
PMID: 26891938
ACS Appl Mater Interfaces. 2016 Mar;8(12):7928-37. doi: 10.1021/acsami.5b12373. Epub 2016 Mar 15.

This work investigates the detection and subsequent utilization of leaked light from bends in a silica optical fiber using organic photovoltaic detectors. The optic power lost by single mode and multimode silica optical fibers was calibrated for bend radii...

Highly Efficient, Reproducible, Uniform (CH3 NH3 )PbI3 Layer by Processing Additive Dripping for Solution-Processed Planar Heterojunction Perovskite Solar Cells.

Chemistry, an Asian journal

Kim H, Jeong H, Lee JK.
PMID: 27414840
Chem Asian J. 2016 Sep 06;11(17):2399-405. doi: 10.1002/asia.201600722. Epub 2016 Aug 08.

A processing additive dripping (PAD) approach to forming highly efficient (CH3 NH3 )PbI3 (MAPbI3 ) perovskite layers was investigated. A MAPbI3 (CB/DIO) perovskite film fabricated by this approach, which included briefly dripping chlorobenzene incorporating a small amount of diiodooctane...

Showing 1 to 12 of 630 entries