MOHAMED OTHMAN

Professeur Chimie Organique, URCOM
22 %
Libre accès
73
Documents
Affiliation actuelle
  • Unité de Recherche en Chimie Organique et Macromoléculaire (URCOM)
Identifiants chercheurs
Contact

Domaines de recherche

Chimie Chimie organique Catalyse

Compétences

Synthèse organique Réactions Tandems Chimie des ions N-acyliminium Activités anticancer

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Publications

Bicyclic N,S-Acetals Containing Fused Cysteine-Amide System as New Heterocyclic Class Targeting Human Farnesyltransferase (FTase-h)

Fanny Danton , Mohamed Othman , Ata Martin Lawson , Amaury Farce , Emmanuelle Lipka et al.

International Journal of Molecular Sciences, 2025, 26 (4), pp.1717. ⟨10.3390/ijms26041717⟩

Article dans une revue hal-05025962v1
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Synthesis and Antiproliferative Effect of 3,4,5-Trimethoxylated Chalcones on Colorectal and Prostatic Cancer Cells

Cécile Letulle , François-Xavier Toublet , Aline Pinon , Soufyane Hba , Aurélie Laurent et al.

Pharmaceuticals, 2024, 17 (9), pp.1207. ⟨10.3390/ph17091207⟩

Article dans une revue hal-04699095v1

Design and synthesis of novel N -benzyl-2,5-dihydro-1 H -pyrrole-linked benzopyrimidine conjugates as antimicrobial agents: study combining in vitro and in silico analysis

Sarra Chortani , Sami Ben Salah , Amel Hajlaoui , Mabrouk Horchani , Hayet Edziri et al.

New Journal of Chemistry, 2024, 48 (32), pp.14262-14276. ⟨10.1039/D4NJ02744B⟩

Article dans une revue hal-04768002v1

Novel Oleanolic Acid-Phtalimidines Tethered 1,2, 3 Triazole Hy-Brids As Promising Antibacterial Agents: Design, Synthesis, In Vitro Experiments and In Silico Docking Studies

Ghofrane Lahmadi , Mabrouk Horchani , Anis Romdhane , Abdelkarim Mahdhi , Amal Dbeibia et al. Article dans une revue hal-04767454v1
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Diversity-oriented synthesis and bioactivity evaluation of N-substituted ferrocifen compounds as novel antiproliferative agents against TNBC cancer cells

Yong Wang , Pascal Pigeon , Wei Li , Jiangkun Yan , Patrick M Dansette et al.

European Journal of Medicinal Chemistry, 2022, 234, pp.114202. ⟨10.1016/j.ejmech.2022.114202⟩

Article dans une revue hal-03599161v1
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α-Hydroxylactams as Efficient Entries to Diversely Functionalized Ferrociphenols: Synthesis and Antiproliferative Activity Studies

Pascal Pigeon , Marie Gaschard , Mohamed Othman , Michèle Salmain , Gérard Jaouen

Molecules, 2022, 27 (14), pp.4549. ⟨10.3390/molecules27144549⟩

Article dans une revue hal-03736842v1

Aza-heterocyclic frameworks through intramolecular π-system trapping of spiro-N-acyliminiums generated from isoindolinone

Sarra Chortani , Mohamed Othman , Ata Martin Lawson , Anis Romdhane , Hichem Ben Jannet et al.

New Journal of Chemistry, 2021, 45 (5), pp.2393-2403. ⟨10.1039/D0NJ04052E⟩

Article dans une revue hal-03079155v1

Autotandem Catalysis: Inexpensive and Green Access to Functionalized Ketones by Intermolecular Iron‐Catalyzed Amidoalkynylation/Hydration Cascade Reaction via N ‐Acyliminium Ion Chemistry

Sidi Mohamed Abdallahi , Ewies Ewies , Mohamed El-Shazly , Brahim Ould Elemine , Abderrahmane Hadou et al.

Chemistry - A European Journal, 2021, 27 (62), pp.15440-15449. ⟨10.1002/chem.202102357⟩

Article dans une revue hal-04768506v1

Highly Enantioselective Semisynthesis of (+)/(−)-Gossypol Schiff Base Derivatives from Ground Plant Material

Mohamed Sidi Boune , Brahim Elemine , Ahmed Aliyenne , Abderrahmane Hadou , Adam Daïch et al.

Journal of Natural Products, 2019, 82 (7), pp.1779-1790. ⟨10.1021/acs.jnatprod.8b01045⟩

Article dans une revue hal-02332614v1

Access to 3-spiroindolizines containing an isoindole ring through intra-molecular arylation of spiro-N-acyliminium species: a new family of potent farnesyltransferase inhibitors

Anthony Pesquet , Hamid Marzag , Michael Knorr , Carsten Strohmann , Ata Martin Lawson et al.

Organic & Biomolecular Chemistry, 2019, 17 (10), pp.2798-2808. ⟨10.1039/c8ob02612b⟩

Article dans une revue hal-02332627v1

Indolylglycines Backbones in the Synthesis of Enantiopure 3,3-Spiroindolenines, Indolyl Tetracyclic Hemiaminals, and 3-Indolyl-maleimides Frameworks

Jozef Markus , Branislav Ferko , Dušan Berkeš , Ján Moncol , Ata Martin Lawson et al.

European Journal of Organic Chemistry, 2019, 2019 (33), pp.5662-5677. ⟨10.1002/ejoc.201900814⟩

Article dans une revue hal-02332612v1
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Benzo[7,8]indolizinoquinoline scaffolds based on Mg(ClO4)2-promoted regiospecific imide reduction and π-cyclization of N-acyliminium species. Analogues of the topo-1 poison rosettacin and 22-hydroxyacuminatine alkaloids

Abdulkareem Hamid , Abdelaziz Souizi , Ata Martin Lawson , Mohamed Othman , Alina Ghinet et al.

Arabian Journal of Chemistry, 2019, 12 (5), pp.680-693. ⟨10.1016/j.arabjc.2018.03.009⟩

Article dans une revue hal-02413296v1

Phenyliodine(III) Diacetate/I 2 ‐Mediated Domino Approach for Pyrrolo[1,4]Thiazines and 1,4‐Thiazines by a One‐Pot Morin Rearrangement of N,S ‐ Acetals

Fanny Danton , Mohamed Othman , Ata Martin Lawson , Ján Moncol , Alina Ghinet et al.

Chemistry - A European Journal, 2019, 25 (24), pp.6113-6118. ⟨10.1002/chem.201901111⟩

Article dans une revue hal-02563783v1

Novel Hybrid Prins/Aza-Prins Oxocarbenium/N-Acyliminium Cascade Expedient Access to Complex Indolizidines

Mathéo Berthet , Alice Beauseigneur , Charlotte Moine , Catherine Taillier , Mohamed Othman et al.

Chemistry - A European Journal, 2018, 24 (6), pp.1278-1282. ⟨10.1002/chem.201705949⟩

Article dans une revue hal-02413309v1

Design and semisynthesis of new herbicide as 1,2,3-triazole derivatives of the natural maslinic acid

Aymen Ben Nejma , Mansour Znati , Adam Daïch , Mohamed Othman , Ata Martin Lawson et al.

Steroids, 2018, 138, pp.102-107. ⟨10.1016/j.steroids.2018.07.004⟩

Article dans une revue istex hal-02332632v1

Structure-Based Kinetic Control in a Domino Process: A Powerful Tool Toward Molecular Diversity in Chromone Series

Thomas Lepitre , Clément Denhez , Jan Moncol , Mohamed Othman , Ata Martin Lawson et al.

Journal of Organic Chemistry, 2017, 82 (23), pp.12188-12201. ⟨10.1021/acs.joc.7b01996⟩

Article dans une revue hal-02332616v1

Development of SECheM Concept for Isolation and Chemical Modification of Gossypol Directly from Cienfuegosia digitata

Mohamed Vall Sidi Boune , Brahim Ould Elemine , Thomas Lepitre , Abderrahmane Ould Hadou , Ahmed Aliyenne et al.

Phytochemical Analysis, 2017, 28 (5), pp.410-415. ⟨10.1002/pca.2688⟩

Article dans une revue hal-02332630v1

Metal-Free Cascade Approach toward Polysubstituted Indolizines from Chromone-Based Michael Acceptors

Thomas Lepitre , Raphael Le Biannic , Mohamed Othman , Ata Martin Lawson , Adam Daïch

Organic Letters, 2017, 19 (8), pp.1978-1981. ⟨10.1021/acs.orglett.7b00309⟩

Article dans une revue hal-02332628v1

Phytochemical and biological studies of Atriplex inflata f. Muell.: isolation of secondary bioactive metabolites

Aymen Ben Nejma , Mansour Znati , Asma Nguir , Adam Daïch , Mohamed Othman et al.

Journal of Pharmacy and Pharmacology, 2017, 69 (8), pp.1064-1074. ⟨10.1111/jphp.12735⟩

Article dans une revue hal-02332617v1

Original Mitsunobu-Triggered Sequence Involved in a One-Pot Domino Process toward Tetracyclic Systems Bearing a Bis- N , O -acetal Junction

Thomas Lepitre , Clément Denhez , Morgane Sanselme , Mohamed Othman , Ata Martin Lawson et al.

Journal of Organic Chemistry, 2016, 81 (19), pp.8837 - 8849. ⟨10.1021/acs.joc.6b01523⟩

Article dans une revue hal-01928655v1
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Use of chiral-pool approach into epi-thieno analogues of the scarce bioactive phenanthroquinolizidine alkaloids

Peter Šafář , Štefan Marchalín , Nadežda Prónayová , Viktor Vrábel , Ata Martin Lawson et al.

Tetrahedron, 2016, 72 (23), pp.3221-3231. ⟨10.1016/j.tet.2016.04.047⟩

Article dans une revue hal-02413311v1

New septanoside and 20-hydroxyecdysone septanoside derivative from Atriplex portulacoides roots with preliminary biological activities

Aymen Ben Nejma , Asma Nguir , Hichem Ben Jannet , M’hamed Ali Hamza , Adam Daïch et al.

Bioorganic and Medicinal Chemistry Letters, 2015, 25 (8), pp.1665-1670. ⟨10.1016/j.bmcl.2015.03.028⟩

Article dans une revue hal-02413288v1

Sequential friedel-crafts-type α-amidoalkylation/intramolecular hydroarylation Distinct advantage of combined Tf2NH/cationic LAu(I) as a consecutive or binary bicatalytic system

Liliana Boiaryna , Mohamed Salah Azizi , Abderrahman El Bouakher , Baptiste Picard , Catherine Taillier et al.

Organic Letters, 2015, 17 (9), pp.2130-2133. ⟨10.1021/acs.orglett.5b00718⟩

Article dans une revue hal-02413298v1

Combining α-amidoalkylation reactions of N-acyliminium ions with ring-closing metathesis: access to versatile novel isoindolones spirocyclic compounds

Anthony Pesquet , Mohamed Othman

Tetrahedron Letters, 2013, 54 (38), pp.5227-5231. ⟨10.1016/j.tetlet.2013.07.077⟩

Article dans une revue hal-02462210v1

Dual Hard/Soft Gold Catalysis: Intermolecular Friedel-Crafts-Type α-Amidoalkylation/Alkyne Hydroarylation Sequences by N -Acyliminium Ion Chemistry

Liliana Boiaryna , Mohamed Kamal El mkaddem , Catherine Taillier , Vincent Dalla , Mohamed Othman

Chemistry - A European Journal, 2012, 18 (44), pp.14192-14200. ⟨10.1002/chem.201202225⟩

Article dans une revue istex hal-02889812v1

A Convenient Synthesis of Novel Spiroisoindole γ-Halobutyrolactones via Halocyclization of γ-Ethylenic Acids

Mohamed Othman , Mohamed M. Rammah , Kabula Ciamala , Michael Knorr , Carsten Strohmann et al.

Heterocycles, 2009, 78 (11), pp.2787. ⟨10.3987/COM-09-11787⟩

Article dans une revue hal-02889563v1

Halolactonization of g-Acetylenic Acids: Synthesis of Novel Spiroisoindole Halobutyrolactones

Mohamed Othman , Mohamed M. Rammah , Moncef Msaddek , Mohamed B. Rammah

Heterocycles, 2008, 75 (8), pp.1971. ⟨10.3987/COM-08-11370⟩

Article dans une revue hal-02889561v1

Silver-catalyzed spirolactonization: first synthesis of spiroisoindole-γ-methylene-γ-butyrolactones

Mohamed Othman , Kabula Ciamala , Carsten Strohmann , Mohamed Rammah

Tetrahedron, 2008, 64 (16), pp.3505-3516. ⟨10.1016/j.tet.2008.01.137⟩

Article dans une revue istex hal-02889830v1

One-pot enyne metathesis/Diels–Alder reaction for the construction of highly functionalized novel polycyclic aza-compounds

Raja Othman , Mohamed Othman , Servane Coste , Bernard Decroix

Tetrahedron, 2008, 64 (3), pp.559 - 567. ⟨10.1016/j.tet.2007.11.001⟩

Article dans une revue istex hal-01933003v1

Towards Simplifying the Chemistry of N -Acyliminium Ions: A One-Pot Protocol for the Preparation of 5-Acetoxy Pyrrolidin-2-ones and 2-Acetoxy N -Alkoxycarbonyl Pyrrolidines from Imides

Fridrich Szemes Jr. , Anthony Fousse , Raja Ben Othman , Till Bousquet , Mohamed Othman et al.

Synthesis: Journal of Synthetic Organic Chemistry, 2006, 2006 (05), pp.875-879. ⟨10.1055/s-2006-926318⟩

Article dans une revue hal-02889851v1

Eco-friendly N-acyliminium ion chemistry: solvent-free HNTf2 and TIPSOTf-catalyzed α-amidoalkylation of silicon-based π-nucleophiles

Marie-José Tranchant , Charlotte Moine , Raja Ben Othman , Till Bousquet , Mohamed Othman et al.

Tetrahedron Letters, 2006, 47 (26), pp.4477-4480. ⟨10.1016/j.tetlet.2006.04.090⟩

Article dans une revue istex hal-02889850v1

N -Trialkylsilyl Bistrifluoromethanesulfonimides (R 3 SiNTf 2 ) Are Powerful Catalysts for the Highly Efficient α-Amido Alkylation Reactions of Silicon-Based Nucleophiles

Raja Ben Othman , Till Bousquet , Mohamed Othman , Vincent Dalla

Organic Letters, 2005, 7 (23), pp.5335-5337. ⟨10.1021/ol052357j⟩

Article dans une revue hal-02889852v1

Toward Improving the Chemistry of N -Acyliminium Ions: Nucleophilic Substitution Reactions of Pyrrolidinone Derivatives with Trialkylsilyl Nucleophiles Catalyzed by Triisopropylsilyltrifluoromethane Sulfonate (TIPSOTf)

Raja Ben Othman , Till Bousquet , Anthony Fousse , Mohamed Othman , Vincent Dalla

Organic Letters, 2005, 7 (14), pp.2825-2828. ⟨10.1021/ol050576z⟩

Article dans une revue hal-02889854v1
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Thieno[2′,3′:5,6]azepino[2,1- a ]isoindolones from hydroxylactam-alcohols via N -acyliminium ion olefin cyclization

Pascal Pigeon , Mohamed Othman , Bernard Decroix

Journal of Heterocyclic Chemistry, 2001, 38 (1), pp.35 - 39. ⟨10.1002/jhet.5570380105⟩

Article dans une revue hal-01230407v1
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Quinoxalines, benzodiazepines and benzodiazocines fused to pyrrole and isoindole via N-acyliminium ion aromatic cyclization

Mohamed Othman , Pascal Pigeon , Pierre Netchitaïlo , Abdel Daich , Bernard Decroix

Heterocycles, 2000, 52 (1), pp.273-281. ⟨10.3987/COM-99-S21⟩

Article dans une revue hal-01230410v1
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Polycyclic systems: Synthesis of isoindolo[2,1-b]pyrrolo[1,2-d] [2,4]benzodiazocine and isoindolo[1,2-d]pyrrolo[1,2-a][1,5]benzodiazocine

Mohamed Othman , Pascal Pigeon , Bernard Decroix

Journal of Heterocyclic Chemistry, 1999, 36 (3), pp.735-738. ⟨10.1002/jhet.5570360326⟩

Article dans une revue hal-01230411v1
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Acyliminium ion-olefin cyclization leading to isoindolo [2,1-a]quinoline derivatives

Pascal Pigeon , Mohamed Othman , Pierre Netchitaïlo , Bernard Decroix

Journal of Heterocyclic Chemistry, 1999, 36 (3), pp.691-695. ⟨10.1002/jhet.5570360319⟩

Article dans une revue hal-01230412v1

Synthesis of Pyrrolidinothieno-(or [1]Benzothieno)[3]azepinones from the Corresponding Azepinediones or N-(Thienyl or [1]Benzothienyl)-acetylprolinals

Bernard Decroix , Mohamed Othman , Pierre Netchitaïlo

Heterocycles, 1998, 48 (2), pp.335. ⟨10.3987/COM-97-8044⟩

Article dans une revue hal-02889449v1

Synthesis and reduction of thieno[2 `,3 `(3 `,2 ` or 3 `,4 `): 5,6]-azocino[2,1-a]isoindole-7,13-diones

Mohamed Othman , Pascal Pigeon , Bernard Decroix

Journal of Heterocyclic Chemistry, 1998, 35 (6), pp.1429-1433. ⟨10.1002/jhet.5570350635⟩

Article dans une revue istex hal-01230418v1
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New fused lactones from indolizinediones via N-acyliminium ions

Mohamed Othman , Pascal Pigeon , Bernard Decroix

Tetrahedron, 1998, 54 (30), pp.8737-8744. ⟨10.1016/S0040-4020(98)00468-2⟩

Article dans une revue hal-01230415v1
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Selective access to N-aryl or N-alkyl derivatives of isoindolo[2,1-b][2,4]benzo(or thieno)diazepines

Pascal Pigeon , Mohamed Othman , Pierre Netchitaïlo , Bernard Decroix

Tetrahedron, 1998, 54 (8), pp.1497-1506. ⟨10.1016/S0040-4020(97)10359-3⟩

Article dans une revue hal-01230416v1
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Acyliminium ion cyclizations: Synthesis of thieno[2',3':3,4]pyrrolo[2,1-a]isoindolone and benzo[a]thieno[2,3(3,2 or 3,4)-g]indolizinones

Mohamed Othman , Pascal Pigeon , Bernard Decroix

Tetrahedron, 1997, 53 (7), pp.2495-2504. ⟨10.1016/S0040-4020(96)01196-9⟩

Article dans une revue hal-01230423v1

Intramolecular cyclization of amido acids into pyrrolidinothieno(or [1]benzothieno)[3]azepinediones

Mohamed Othman , Pierre Netchitaïlo , Bernard Decroix

Journal of Heterocyclic Chemistry, 1997, 34 (1), pp.225-231. ⟨10.1002/jhet.5570340134⟩

Article dans une revue istex hal-02889442v1

Synthesis of thienothiazocinoisoindolediones and thienothiazinoisoindolones from mercaptothiophenes and chloromethylphthalimide

Pierre Netchitaïlo , Mohamed Othman , Bernard Decroix

Journal of Heterocyclic Chemistry, 1997, 34 (1), pp.321-324. ⟨10.1002/jhet.5570340150⟩

Article dans une revue istex hal-02889444v1

Synthesis of 5-chloropyrrole carboxaldehydes from 5-oxopyrrolidine carboxamides

Nicolas Hucher , Pierre Netchitaïlo , Mohamed Othman , Adam Daïch , Bernard Decroix

Tetrahedron Letters, 1997, 38 (18), pp.3227-3230. ⟨10.1016/S0040-4039(97)00597-2⟩

Article dans une revue istex hal-02564968v1

Synthesis of Phthalimidine-3-carboxylate and Benzopyrroloindolizine from N-(Pyrrol-2-yl) Phthalimidine-3-Carboxylate

Mohamed Othman , Bernard Decroix

Synthetic Communications, 1996, 26 (15), pp.2803-2809. ⟨10.1080/00397919608005214⟩

Article dans une revue hal-02889440v1

Synthesis and Bioevaluation of Dicobalt Tetrahedranes, Pt2 Dimetallacyclobutene and Pt(0) Complexes bearing a N-Heterocyclic Fragment

Mélaine Wang , Isabelle Jourdain , Michael Knorr , Mohamed Othman , Jalloul Bouajila

GECOM-CONCOORD25, May 2025, Métabief, France

Communication dans un congrès hal-05237857v1

N-ACYLIMINIUM IONS CHEMISTRY: NEW ACTIVATION MODES AND APPLICATION TO THE SYNTHESIS OF NOVEL HETEROCYCLIC COMPOUNDS

Mohamed Othman

International Symposium on Synthesis and Catalysis (ISySyCat 2019), Sep 2019, Evora, Portugal

Communication dans un congrès hal-02890159v1

Preparation of (+) / (-)-gossypol Schiff base derivatives by SECheM methodology

Adam Daïch , Mohamed Vall Sidi Boune , Brahim Ould Elemine , Abderrahmane Ould Hadou , Ahmed Aliyenne et al.

Journées André Collet de la Chiralité JACC, Sep 2018, Noirmoutier, France

Communication dans un congrès hal-02568053v1

N,X Acetals : Ligands des récepteurs purinergiques P2X7

Fanny Danton , Mohamed Othman , Ata-Martin Lawson , Adam Daïch

Journées Nord-Ouest Européennes des Jeunes Chercheurs, Jun 2018, Villeneuve d’Ascq, France

Communication dans un congrès hal-02889602v1

Chimie des ions N-acyliminiums : Nouveaux modes d’activation, applications et perspectives

Mohamed Othman

1ères Journées Internationales de Chimie : JIC 2017, Dec 2018, Nouakchott, Mauritanie

Communication dans un congrès hal-02890042v1

N,X-Acetals as Purinergic receptor P2RX7 ligands. Design and synthesis of N,S-backbones based on Morin rearrangement

Adam Daïch , Fanny Danton , Mohamed Othman , Ata Martin Lawson

Journée de l'école doctorale Normandie de Chimie JEDNC, Jun 2018, Le Havre, France

Communication dans un congrès hal-02567974v1

N,X Acetals : Ligands des récepteurs purinergiques P2X7

Adam Daïch , Fanny Danton , Mohamed Othman , Ata Martin Lawson

Journées Nord-Ouest Européennes des Jeunes Chercheurs, Jun 2018, Villeneuve d’Ascq, France

Communication dans un congrès hal-02568051v1

New methodology for synthesis of Schiff base derivatives of (aR)/(aS)-gossypol

Adam Daïch , Mohamed Vall Sidi Boune , Brahim Elemine , Abderrahmane Ould Hadou , Mohamed Othman et al.

Journée de l'école doctorale Normandie de Chimie JEDNC, Jun 2018, Le Havre, France

Communication dans un congrès hal-02567973v1

N-acyliminium ions chemistry: New activation modes and application to the synthesis of novel heterocyclic compounds

Mohamed Othman

28th European Colloquium on Heterocyclic Chemistry, Sep 2018, Lecce, Italy

Communication dans un congrès hal-02889895v1

A Simultaneous Extraction and Chemical Modification Concept: Application for Gossypol Extraction and Semi-synthesis Directly from Cienfuegosia digitata

Adam Daïch , Mohamed Vall Sidi Boune , Brahim Elemine , Abderrahmane Ould Hadou , Mohamed Othman et al.

Trends in Natural Product Research - PSE Young Scientists' Meeting Lille 2017, Natural Products in Health, Agro-Food and Cosmetics, Jun 2017, Lille, France

Communication dans un congrès hal-02568195v1

SECHEM Concept for Gossypol extraction and semi-synthesis directly from Cienfuegosia digitata

Adam Daïch , Mohamed Vall Sidi Boune , Brahim Elemine , Thomas Lepitre , Abderrahmane Ould Hadou et al.

Journée de l'école doctorale Normandie de Chimie JEDNC, Jun 2017, Rouen, France

Communication dans un congrès hal-02567969v1

New development around N-acyliminium ions chemistry

Mohamed Othman

Trans Mediterranean Colloquim on Heterocyclic Chemistry, Nov 2017, FEZ, Morocco

Communication dans un congrès hal-02890050v1

N,X-Acetals as Purinergic receptor P2X7 ligands. Design, synthesis and anti-cancer/anti-inflammatory evaluation

Adam Daïch , Fanny Danton , Mohamed Othman , Ata Martin Lawson

Journée de l'école doctorale Normandie de Chimie JEDNC, Jun 2017, Rouen, France

Communication dans un congrès hal-02567972v1

Original Mitsunobu triggered sequence involved in a one-pot domino process

Adam Daïch , Thomas Lepitre , Ata Martin Lawson , Mohamed Othman

Journée de l'Ecole Doctorale Normande de Chimie, Jun 2016, Caen, France

Communication dans un congrès hal-02567967v1

Competitive intramolecular C-C vs. C-O bond coupling reactions through C6 ring-fused 2-pyridones synthesis

Adam Daïch , Thomas Lepitre , Ata Martin Lawson , Mohamed Othman

13th Anglo-Norman Organic Chemistry Colloquium (ANORCQ XIII), Apr 2016, Rouen, France

Communication dans un congrès hal-02568190v1

Original Mitsunobu triggered sequence involved in a one-pot domino process

Adam Daïch , Thomas Lepitre , Ata Martin Lawson , Mohamed Othman

Journées de Chimie Organique, Sep 2016, Palaiseau, France

Communication dans un congrès hal-02568191v1

Original "one-pot" methodology combining extraction/chemical modification of gossypol from cienfuegosia digitata by traditional soxhlet system

Adam Daïch , Mohamed Vall Sidi Boune , Brahim Elemine , Abderrahmane Ould Hadou , Ahmed Aliyenne et al.

Journées de Chimie Organique, Sep 2016, Palaiseau, France

Communication dans un congrès hal-02568193v1

Palladium Catalyzed Arylation vs Oxyarylation: Synthesis of C6 Ring-Fused Pyridones

Adam Daïch , Thomas Lepitre , Ata Martin Lawson , Mohamed Othman

Journées Nord-Ouest Européennes de Chimie (JNOEC), May 2015, Rouen, France

Communication dans un congrès hal-02568040v1

Gold catalysis: a one-pot intermolecular Friedel-Crafts-type α-amidoalkylation/ hydroarylation sequences by N-acyliminium ion chemistry

Mohamed Othman

Trans Mediterranean Colloquim on Heterocyclic Chemistry, TRAMECH VIII, Nov 2015, Antalya, Turkey

Communication dans un congrès hal-02890069v1

Chimie mixte des ions N-acyliminiums : Application à la synthèse de nouvelles structures isoindoliques

Mohamed Othman

Conférence, Dec 2012, Monastir, Tunisie

Communication dans un congrès hal-02890078v1

Chimie mixte des ions N-acyliminiums, électrochimie organique et de la réaction de métathèse cyclisante : Application à la synthèse de nouvelles structure azapolycycliques hautement fonctionnalisées

Mohamed Othman , Ayoub Haj Said

Cycle de conférences CMCU, Dec 2006, Tunis, Tunisie

Communication dans un congrès hal-02890083v1

Nouveaux développements autours de la chimie des ions N-acyliminiums : Application à la Synthèse des structures isoindoliques à potentialités biologiques

Mohamed Othman

Séminaire Chimie Organique, Séminaire, May 2005, Monastir, Tunisia

Communication dans un congrès hal-02890093v1

Synthèse des Benzoindolizidines et Benzopyrrolizidines via la Réaction de Cyclisation de Métathèse

Adam Daïch , Raja Ben Othman , Bernard Decroix , Mohamed Othman

Trans-Mediterranean Colloquium on Heterocyclic Chemistry -TRAMECH III, Nov 2004, Marrakech, France

Communication dans un congrès hal-02568146v1

Towards Improving the Chemistry of N-Acyliminiums Ions: A One-Pot Protocol for the Preparation of Acetoxy Lactams from Imides

Adam Daïch , Raja Ben Othman , A Fousse , Fridrich Szemes , Till Bousquet et al.

Trans-Mediterranean Colloquium on Heterocyclic Chemistry -TRAMECH III, Nov 2004, Marrakech, France

Communication dans un congrès hal-02568144v1

Synthesis of new polyheterocycles via N-acyliminium ion aromatic cyclization

Adam Daïch , Mohamed Othman , Pascal Pigeon , Bernard Decroix

Ve Rencontre Nationale de Chimie Hétérocyclique (5ème RNCH), May 2002, Kenitra, Morocco

Communication dans un congrès hal-02568008v1

Evaluation of N-hydroxymethylphthalimide in basic medium: synthesis of new isoindolo[1,3]oxazepine fused to aromatic ring

Adam Daïch , Armelle Cul , Mohamed Othman , Stefan Marchalin , Bernard Decroix

Ve Rencontre Nationale de Chimie Hétérocyclique (5ème RNCH), May 2002, Kenitra, Morocco

Communication dans un congrès hal-02568006v1

π-Cationic cyclisations of N-acyliminium ions from imide-ester functionality: Use of olefin as nucleophile

Adam Daïch , Mohamed Othman , Pascal Pigeon , Bernard Decroix

Colloque Anglo Normand de Chimie Organique (ANORCQ V), May 1999, Forges-les-Eaux, France

Communication dans un congrès hal-02568104v1