2 article(s) from Hassine, Béchir Ben
Chemical structures of analogues.
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Strategy for the formation of 1-(arylamino)-1H-imidazo[2,1-a]isoindole-2,5(3H,9bH)-diones.
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Synthesis of the starting (L)-α-amino acid phenylhydrazides and 4-chlorophenylhydrazides 3a–m under...
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Cyclocondensation of 2-formylbenzoic acid (4) with (L)-alanine phenylhydrazide (3a).
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Synthesis of the nitrogenated tricyclic compounds 5a–m. Diastereoisomeric (dr) and enantiomeric (er...
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NOEs correlation showing the stereochemistry of the compound 5a.
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X-ray crystal structure of 5f shown at the 30% probability level.
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Proposed partial mechanism with a selectivity model.
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Beilstein J. Org. Chem. 2018, 14, 2923–2930, doi:10.3762/bjoc.14.271
Structure of Eriochrome Blue Black B.
Cyclopalladation reactions of (S)-4-isopropyl-2-(naphthalen-1-yl)oxazoline.
Synthesis of cyclopalladated complex from bis-oxazoline.
ORTEP drawing of the complex 8.
Synthesis of the bis(oxazoline) coordinated complexes.
ORTEP drawing of the complex 9.
Change in color removal in the presence of different catalysts within 10 min (before filtration). T...
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Change in color removal in the presence of different catalysts (after filtration over 10 min).
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Evolution of the color degradation against time using Eriochrome plus H2O2, the complex plus H2O2 o...
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Change of the concentration of the Erio solution with the variation of H2O2 dose.
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Evolution of the color removal against initial dye concentration.
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Change of the color removal versus temperature.
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Recycling experiments for Erio removal (C0 = 30 ppm, 20 mL) in the presence of catalyst 9 at pH 7 a...
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Proposed mechanism of decolorization.
Beilstein J. Org. Chem. 2015, 11, 1175–1186, doi:10.3762/bjoc.11.132
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