Search Results - "GOUMONT, R."

Kinetic Studies on SNAr Reactions of Substituted Benzofurazan Derivatives: Quantification of the Electrophilic Reactivities and Effect of Amine Nature on Reaction Mechanism by Raissi, H., Jamaoui, I., Goumont, R., Boubaker, T.

“…ABSTRACT Kinetics of the nucleophilic aromatic substitution reactions of 7‐L‐4‐nitrobenzofurazans 1 (1a: L = Cl and 1b: L = OCH3) and secondary cyclic amines…”
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Quantification of the Nucleophilicities of 3-X-Thiophenes: Highlighting the Hyperortho Correlation by Gabsi, W., Goumont, R., Boubaker, T.

“…Kinetics studies for the coupling reactions of the 3-X-thiophene 1a-c (X = CH3, H and Br) with the electrophiles 2a and 3a-c have been investigated in…”
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Reactions of N1‐Methyl‐4‐nitro‐2,1,3‐benzoselenadiazolium Tetrafluoroborate with Aliphatic and Cyclic Amines in Acetonitrile: Kinetic and Structure‐Reactivity Correlations by Salah, S. Ben, Boubaker, T., Goumont, R.

“…ABSTRACT The nucleophilic addition reactions of N1‐methyl‐4‐nitro‐2,1,3‐benzoselenadiazolium tetrafluoroborate 1 with aliphatic amines 2a–c (diethylamine 2a,…”
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Azo-Coupling Reactions of Para-X-Benzenediazonium Cations with 3-Ethoxythiophene in Acetonitrile by Gabsi, W., Boubaker, T., Goumont, R.

“…ABSTRACT Kinetic studies for the azo‐coupling reactions of 3‐ethoxythiophene 1 with a series of 4‐X‐substituted diazonium cations 2a‐e (X = OCH3, CH3, H, Cl,…”
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Kinetics and mechanism of phenoxide anions addition to 4-nitrobenzofurazan in aqueous solution by Ben Salah, S, Boubaker, T, Goumont, R

“…Second-order rate constants (k 1 ) for the σ-complexation of 4-nitrobenzofurazan 1 with four 4-X-substituted phenoxide anions 2a–2d (X = OCH 3 , CH 3 , H and…”
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Nonlinear Brønsted and Hammett Correlations Associated with Reactions of 4-Chloro-7-nitrobenzofurazan with Anilines in Dimethyl Sulfoxide Solution by Jmaoui, I., Boubaker, T., Goumont, R.

“…The kinetics and mechanism of nucleophilic aromatic substitution reactions of 4‐chloro‐7‐nitrobenzofurazan 1 with 4‐X‐substituted anilines 2a–g (X = OH, OCH3,…”
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Nucleophilicities of Para-Substituted Phenoxide Ions in Water and Correlation Analysis by GABSI, W., BOUBAKER, T., GOUMONT, R.

“…ABSTRACT Second‐order rate constants for the reactions of 2‐aryl‐4,6‐dinitrobenzotriazole 1‐oxides 1a‐d with some 4‐X‐substituted phenoxide ions 2a‐d (X =…”
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Kinetic Studies on Nucleophilic Addition Reactions of 4-X-substituted Anilines to N1-methyl-4-nitro-2,1,3 benzothiadiazolium terafluoroborate in Acetonitrile: Reaction Mechanism and Mayr's Approach by Salah, S. Ben, Boubaker, T., Goumont, R.

“…ABSTRACT The kinetics of the coupling of N1‐methyl‐4‐nitro‐2,1,3 benzothiadiazolium tetrafluoroborate 1 with a series of 4‐X‐substituted anilines 2a–f (X = OH,…”
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Mechanism and Linear Free Energy Relationships in Michael-Type Addition of 4-Substituted Anilines to Activated Olefin in Acetonitrile by Dhahri, N., Boubaker, T., Goumont, R.

“…ABSTRACT Kinetic studies for the Michael‐type reactions of ethyl‐3‐(4′‐N,N‐dimethylaminophenyl)‐2‐(nonafluorobutane)sulfonylpro‐penoate 1 with 4‐X‐substituted…”
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An unexpected synthesis of 7-azidofurazano[3,4- b]tetrazolopyrazine by Guillou, S., Jacob, G., Terrier, F., Goumont, R.

“…In the course of our program focused on the preparation of high-nitrogen content heterocyclic compounds, we wish to report an original synthesis of the…”
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A criterion to demarcate the dual Diels–Alder and σ-complex behaviour of aromatic and heteroaromatic superelectrophiles by Goumont, R., Terrier, F., Vichard, D., Lakhdar, S., Dust, Julian M., Buncel, E.

“…A frontier demarcating superelectrophilic compounds that undergo both Diels–Alder reactivity and σ-complexation reactions, from traditional electrophiles, is…”
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α-Sulfonyl Carbanions:  Combined Kinetic, Thermodynamic, and NMR Approaches for the Study of the Ionization of Benzyltriflones in Me2SO and H2O−Me2SO Mixtures by Terrier, F, Kizilian, E, Goumont, R, Faucher, N, Wakselman, C

“…The ionization of a series of benzyltriflones ArCH2SO2CF3 (Ar = C6H5, 4-CNC6H4, 4-NO2C6H4, 2,4-(NO2)2C6H3, 2,4,6-(NO2)3C6H2) has been studied kinetically and…”
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Dual Behavior of 4-Aza-6-nitrobenzofuroxan. A Powerful Electrophile in Hydration and σ-Complex Formation and a Potential Dienophile or Heterodiene in Diels−Alder Type Reactions by Terrier, F, Sebban, M, Goumont, R, Hallé, J. C, Moutiers, G, Cangelosi, I, Buncel, E

“…In investigating the reactivities of aza analogues of super-electrophile 4,6-dinitrobenzofuroxan (DNBF, 1), we have found that the nitro-substituted…”
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Reactions of N1-Methyl-4-nitro-2,1,3-benzoselenadiazolium Tetrafluoroborate with Aliphatic and Cyclic Amines in Acetonitrile: Kinetic and Structure-Reactivity Correlations: REACTIONS OF N1-METHYL-4-NITRO-2,1,3-BENZOSELENADIAZOLIUM TETRAFLUOROBORATE by Salah, S. Ben, Boubaker, T., Goumont, R.

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Azo-Coupling Reactions of Para-X-Benzenediazonium Cations with 3-Ethoxythiophene in Acetonitrile: AZO-COUPLING REACTIONS OF PARA-X-BENZENEDIAZONIUM CATIONS WITH 3-ETHOXYTHIOPHENE by Gabsi, W., Boubaker, T., Goumont, R.

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Kinetic Studies on S N Ar Reactions of Substituted Benzofurazan Derivatives: Quantification of the Electrophilic Reactivities and Effect of Amine Nature on Reaction Mechanism by Raissi, H., Jamaoui, I., Goumont, R., Boubaker, T.

“…Kinetics of the nucleophilic aromatic substitution reactions of 7‐L‐4‐nitrobenzofurazans 1 ( 1a : L = Cl and 1b : L = OCH 3 ) and secondary cyclic amines…”
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Nucleophilicities of Para-Substituted Phenoxide Ions in Water and Correlation Analysis: NUCLEOPHILICITIES OF PARA-SUBSTITUTED PHENOXIDE IONS IN WATER by GABSI, W., BOUBAKER, T., GOUMONT, R.

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Transition State Imbalances in the Deprotonation of Picrylacetophenones by Carboxylate and Phenoxide Bases by Moutiers, G, El Fahid, B, Goumont, R, Chatrousse, A. P, Terrier, F

“…The kinetics of the reversible deprotonation of 4-X-substituted picrylacetophenones 3a−c (X = NO2, H, MeO) by a variety of bases have been measured in 50%…”
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Ranking the Reactivity of Superelectrophilic Heteroaromatics on the Electrophilicity Scale by Terrier, François, Lakhdar, Sami, Boubaker, Taoufik, Goumont, Régis

“…The kinetics of the reactions of a series of reference carbon nucleophiles, consisting of N-methylpyrrole A, indole B, N-methylindole C, and enamines D − G,…”
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4-Nitrobenzodifuroxan: a highly reactive nitroolefin in Diels–Alder reactions by Kurbatov, Serguey, Goumont, Régis, Lakhdar, Sami, Marrot, Jérome, Terrier, François

“…The reactions of 4-nitrobenzodifuroxan (NBDF) with a series of common dienes are found to proceed very readily to afford stable cycloadducts, which are the…”
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