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Silica supported copper nanoparticles prepared via surface organometallic chemistry: active catalysts for the selective hydrogenation of 2,3-dimethylbutadiene

Autor: Cherif Larabi, E.A. Laifa, Anthony Garron, Kai C. Szeto, Mostafa Taoufik, Nicolas Merle, K. Boukebbous, W. Darwich, A. De Mallmann

Publikováno v: New Journal of Chemistry
New Journal of Chemistry, Royal Society of Chemistry, 2017, 41 (2), pp.427-431. ⟨10.1039/C6NJ03350D⟩

2,3-Dimethylbutadiene can be highly selectively hydrogenated to 2,3-dimethyl-1-butene with a new catalyst based on silica supported copper nanoparticles (Cu-NPs) prepared via surface organometallic chemistry. Mesityl-copper was firmly grafted onto si

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e4e0346332bc51d4d22bf70597814d70
https://hal-univ-lyon1.archives-ouvertes.fr/hal-01872677

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A second polymorph of 3H-1,2-benzodithiole-3-thione

Autor: E.A. Laifa, K. Boukebbous, A. De Mallmann, Mostafa Taoufik

Publikováno v: IUCrData, Vol 1, Iss 11, p x161799 (2016)

The title compound, C7H4S3, is crystallizes in the monoclinic space groupP21/n; it is the second polymorph, the first having been reported recently in space groupC2/c[Boukebbouset al.(2016)IUCrData,1, x161688]. The molecule displays an almost planar

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b3258ab4aecae2c93d122fcb67971f99
https://doi.org/10.1107/s2414314616017995

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5-Anilino-4-chloro-3H-1,2-dithiol-3-one

Autor: K. Boukebbous, E.A. Laifa, A. De Mallmann, Mostafa Taoufik

Publikováno v: IUCrData, Vol 1, Iss 11, p x161736 (2016)

In the title compound, C9H6ClNOS2, the two rings subtend a dihedral angle of 51.9 (7)°. The S—S bond has a length of 2.061 (2) Å. In the crystal, hydrogen-bonding interactions and π–π stacking [centroid–centroid distance = 3.927 (2) Å] con

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d9998c280899d7f1e3d9faba29b2266f
https://doi.org/10.1107/s2414314616017363

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4,5-Dichloro-3H-1,2-dithiol-3-one

Autor: E.A. Laifa, K. Boukebbous, Mostafa Taoufik, A. De Mallmann

Publikováno v: IUCrData, Vol 1, Iss 11, p x161820 (2016)

The crystallization from an ethyl acetate solution of the title compound, also known as dichloro-1,2-dithiacyclopentenone, C3Cl2OS2, leads to a monoclinic system withP21/nspace group. The molecule displays an almost planar geometry, with a torsion an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d55ec097b80f8970e67ad93d7f5e2f1e
http://scripts.iucr.org/cgi-bin/paper?S2414314616018204

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Diethyl 2,2′-(trisulfane-1,3-diyl)dibenzoate

Autor: A. De Mallmann, Mostafa Taoufik, E.A. Laifa, K. Boukebbous

Publikováno v: IUCrData, Vol 1, Iss 11, p x161708 (2016)

The title compound, C18H18O4S3, was synthesized in the presence of chloridoauric acid from 3H-1,2-benzodithiole-3-thione as starting material. The asymmetric unit comprises one half of the molecule, the complete molecule being generated by the applic

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::04460bf7ae1a7863915a49278c03be25
http://scripts.iucr.org/cgi-bin/paper?S2414314616017089

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3H-1,2-Benzodithiole-3-thione

Autor: E.A. Laifa, K. Boukebbous, A. De Mallmann

Publikováno v: IUCrData, Vol 1, Iss 10, p x161688 (2016)

The almost planar (r.m.s. deviation = 0.034 Å) title compound, C7H4S3, was synthesized by reacting 2,2-dithiodibenzoic acid with phosphorus pentasulfide in xylene solution. In the crystal, short S...S [3.3727 (14), 3.3765 (13) and 3.4284 (13) Å] co

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0316ef543b7fd61330e912b30bae08e5
https://doi.org/10.1107/s2414314616016886

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