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Showing 1 to 12 of 204 entries
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Crystal Structure, Hirshfeld Surface Analysis and Computational Studies of Thiazolidin-4-one derivative: (Z)-5-(4-Chlorobenzylidene)-3-(2-ethoxyphenyl)-2-thioxothiazolidin-4-one.

Acta chimica Slovenica

Khelloul N, Toubal K, Benhalima N, Rahmani R, Chouaih A, Djafri A, Hamzaoui F.
PMID: 27640389
Acta Chim Slov. 2016;63(3):619-26. doi: 10.17344/acsi.2016.2362.

The title compound (Z)-5-(4-chlorobenzylidene)-3-(2-ethoxyphenyl)-2-thioxothiazolidin-4-one (CBBTZ) was characterized by X-ray single crystal diffraction, 1H NMR and 13C NMR spectra. Theoretical investigations were carried out using HF and DFT levels of theory at 6-31G(d,p) basis set. The X-ray structure is compared...

Zwitterionic Cobalt Complexes with Bis(diphenylphosphino)(N-thioether)amine Assembling Ligands: Structural, EPR, Magnetic, and Computational Studies.

Inorganic chemistry

Fliedel C, Rosa V, Vileno B, Parizel N, Choua S, Gourlaouen C, Rosa P, Turek P, Braunstein P.
PMID: 27054464
Inorg Chem. 2016 May 02;55(9):4183-98. doi: 10.1021/acs.inorgchem.5b02889. Epub 2016 Apr 07.

The coordination of two heterofunctional P,P,S ligands of the N-functionalized DPPA-type bearing an alkylthioether or arylthioether N-substituent, (Ph2P)2N(CH2)3SMe (1) and (Ph2P)2N(p-C6H4)SMe (2), respectively, toward cobalt dichloride was investigated to examine the influence of the linker between the PNP nitrogen...

The interscrotal approach to inguinoscrotal pathologies.

Arab journal of urology

Soualili Z, Achouri D, Haif A, Touabti S, Yahia SA, Benmahmoud M, Choutri H, Nedjar S, Mimoune M, Chouaib S.
PMID: 26413342
Arab J Urol. 2015 Sep;13(3):176-8. doi: 10.1016/j.aju.2015.05.002. Epub 2015 Jun 29.

OBJECTIVE: To determine the efficiency of the interscrotal approach to inguinoscrotal pathologies.PATIENTS AND METHODS: We report the use of the interscrotal approach in 21 boys, from September 2012 to November 2013, operated using an interscrotal access through a vertical...

Intrinsic and Tumor Microenvironment-Induced Metabolism Adaptations of T Cells and Impact on Their Differentiation and Function.

Frontiers in immunology

Kouidhi S, Noman MZ, Kieda C, Elgaaied AB, Chouaib S.
PMID: 27066006
Front Immunol. 2016 Mar 29;7:114. doi: 10.3389/fimmu.2016.00114. eCollection 2016.

It is well recognized that the immune system and metabolism are highly integrated. In this context, multilevel interactions between metabolic system and T lymphocyte signaling and fate exist. This review will discuss different potential cell metabolism pathways involved in...

Crystal structure of (2Z,5Z)-3-(4-meth-oxy-phen-yl)-2-[(4-meth-oxy-phenyl)-imino]-5-[(E)-3-(2-nitro-phen-yl)allyl-idene]-1,3-thia-zolidin-4-one.

Acta crystallographica. Section E, Crystallographic communications

Rahmani R, Djafri A, Daran JC, Djafri A, Chouaih A, Hamzaoui F.
PMID: 26958377
Acta Crystallogr E Crystallogr Commun. 2016 Jan 13;72:155-7. doi: 10.1107/S2056989016000207. eCollection 2016 Feb 01.

In the title compound, C26H21N3O5S, the thia-zole ring is nearly planar with a maximum deviation of 0.017 (2) Å, and is twisted with respect to the three benzene rings, making dihedral angles of 25.52 (12), 85.77 (12) and 81.85...

Nickel(II) meso-Hydroxyporphyrin Complexes Revisited: Palladium-Catalysed Synthesis, Electronic Structures of Derived Oxy Radicals, and Oxidative Coupling to a Dioxoporphodimethene Dyad.

Chemistry (Weinheim an der Bergstrasse, Germany)

Esdaile LJ, Rintoul L, Goh MS, Merahi K, Parizel N, Wellard RM, Choua S, Arnold DP.
PMID: 26833709
Chemistry. 2016 Mar 01;22(10):3430-3446. doi: 10.1002/chem.201504252. Epub 2016 Feb 02.

We report the synthesis and characterisation of new examples of meso-hydroxynickel(II) porphyrins with 5,15-diphenyl and 10-phenyl-5,15-diphenyl/diaryl substitution. The OH group was introduced by using carbonate or hydroxide as nucleophile by using palladium/phosphine catalysis. The NiPor-OHs exist in solution in...

Ruthenium Carbon-Rich Complexes as Redox Switchable Metal Coupling Units.

Inorganic chemistry

Di Piazza E, Merhi A, Norel L, Choua S, Turek P, Rigaut S.
PMID: 26068041
Inorg Chem. 2015 Jul 06;54(13):6347-55. doi: 10.1021/acs.inorgchem.5b00667. Epub 2015 Jun 12.

With the help of EPR spectroscopy, we show that the diamagnetic [Ru(dppe)2(-C≡C-R)2] system sets up a magnetic coupling between two organic radicals R, i.e., two nitronyl nitroxide or two verdazyl units, which is stronger than that of related platinum...

Electron transfer between two silyl-substituted phenylene rings: EPR/ENDOR spectra, DFT calculations, and crystal structure of the one-electron reduction compound of a di(m-silylphenylenedisiloxane).

Journal of the American Chemical Society

Dutan C, Choua S, Berclaz T, Geoffroy M, Mézailles N, Moores A, Ricard L, Le Floch P.
PMID: 12683819
J Am Chem Soc. 2003 Apr 16;125(15):4487-94. doi: 10.1021/ja0209060.

Reduction of a solution of octamethylcyclo-di(m-silylphenylenedisiloxane) 4 in THF on a potassium mirror leads to EPR/ENDOR spectra characterized by a large coupling (approximately 20 MHz) with two protons, similar to the spectra obtained after reduction of the m-disilylbenzene derivative...

Menarcheal age - a tendency towards decline.

Journal of the College of Physicians and Surgeons--Pakistan : JCPSP

Hasan R, Adhi M, Shoaib S, Tauheed S.
PMID: 17999863
J Coll Physicians Surg Pak. 2007 Oct;17(10):642-3. doi: 10.2007/JCPSP.642643.

No abstract available.

Primary malignant melanoma of prostate.

Urology annals

Doublali M, Chouaib A, Khallouk A, Tazi MF, El Fassi MJ, Farih MH, Elfatmi H, Bendahou M, Benlemlih A, Lamarti O.
PMID: 20882159
Urol Ann. 2010 May;2(2):76-7. doi: 10.4103/0974-7796.65105.

Primary genitourinary melanoma accounts for less than one per cent of all cases of melanoma. Most cases attributed to the prostate actually originate from the prostatic urethra. Due to its infrequency, primary malignant melanoma of the genitourinary tract presents...

Diarylethene-containing carbon-rich ruthenium organometallics: tuning of electrochromism.

Inorganic chemistry

Liu Y, Ndiaye CM, Lagrost C, Costuas K, Choua S, Turek P, Norel L, Rigaut S.
PMID: 25033266
Inorg Chem. 2014 Aug 04;53(15):8172-88. doi: 10.1021/ic5013044. Epub 2014 Jul 17.

The association of a dithienylethene (DTE) system with ruthenium carbon-rich systems allows reaching sophisticated and efficient light- and electro-triggered multifunctional switches R-[Ru]-C≡C-DTE-C≡C-[Ru]-R, featuring multicolor electrochromism and electrochemical cyclization at remarkably low voltage. The spin density on the DTE ligand...

Mimicking PAMAM Dendrimers with Ampholytic, Hybrid Triazine Dendrimers: A Comparison of Dispersity and Stability.

Macromolecules

Lalwani S, Chouai A, Perez LM, Santiago V, Shaunak S, Simanek EE.
PMID: 20711424
Macromolecules. 2009 Aug 12;42(17):6723-3732. doi: 10.1021/ma9011818.

Two strategies are applied to mimic the ampholytic nature of the surfaces of half-generation PAMAM dendrimers and yet retain the very narrow dispersity inherent of triazine dendrimers. Both strategies start with a monodisperse, single-chemical entity, generation two triazine dendrimer...

Showing 1 to 12 of 204 entries