Search Results - "Abdelmadjid Debache"

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    [DMImd-DMP]: A highly efficient and reusable catalyst for the synthesis of 4H-benzo[b]pyran derivatives by Redouane Mohamed Abdenour, Khiri-Meribout Naima, Benzerka Saida, Debache Abdelmadjid

    Published in Heterocyclic Communications (31-12-2019)
    “…A series of substituted 4H-pyrans derivatives were synthesized by a one-pot, multi-component reaction of aromatic aldehydes, malononitrile, and pyrazolone…”
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    Phenylboronic acid as a mild and efficient catalyst for Biginelli reaction by Debache, Abdelmadjid, Boumoud, Boudjemaa, Amimour, Mouna, Belfaitah, Ali, Rhouati, Salah, Carboni, Bertrand

    Published in Tetrahedron letters (07-08-2006)
    “…The synthesis of 3,4-dihydropyrimidinone derivatives was achieved in good to excellent yields using phenylboronic acid as catalyst to promote the Biginelli…”
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    Structural study and Hirshfeld surface analysis of ( Z )-4-(2-methoxybenzylidene)-3-phenylisoxazol-5(4 H )-one by Benouatas, Assia, Laroum, Rima, Hamdouni, Noudjoud, Zemamouche, Wissame, Debache, Abdelmadjid, Boudjada, Ali

    “…The title compound, C 17 H 13 NO 3 , adopts a Z configuration about the C=C bond. The isoxazole and methoxybenzylidene rings are almost coplanar with a…”
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    Crystal structure and Hirshfeld surface analysis of ( Z )-3-methyl-4-(thio-phen-2-yl-methyl-idene)isoxazol-5(4 H )-one by Laroum, Rima, Benouatas, Assia, Hamdouni, Noudjoud, Zemamouche, Wissame, Boudjada, Ali, Debache, Abdelmadjid

    “…The title compound, C H NO S crystallizes with two independent mol-ecules ( and ) in the asymmetric unit with = 8. Both mol-ecules are almost planar with a…”
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    Crystal structure and Hirshfeld surface analysis of N -[(2-hy-droxy-naphthalen-1-yl)(3-methyl-phen-yl)meth-yl]acetamide by Boudebbous, Khawla, Zemamouche, Wissem, Debache, Abdelmadjid, Hamdouni, Noudjoud, Boudjada, Ali

    “…The title compound, C H NO , is of inter-est as a precursor to biologically active substituted quinolines and related compounds. This compound crystallizes…”
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    Crystal structure and Hirshfeld surface analysis of ( Z )-4-(4-hydroxybenzylidene)-3-methylisoxazol-5(4 H )-one by Zemamouche, Wissem, Laroun, Rima, Hamdouni, Noudjoud, Brihi, Ouarda, Boudjada, Ali, Debache, Abdelmadjid

    “…The title compound, C 11 H 9 NO 3 , contains an isoxazole and a hydroxybenzylidene ring, which are inclined to each another by 3.18 (8)°. There is an…”
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    4-(2-Nitrobenzyl)-3-phenyl-3,4-dihydro-2H-1,4-benzoxazin-2-ol by Louisa Chouguiat, Raouf Boulcina, Sofiane Bouacida, Hocine Merazig, Abdelmadjid Debache

    “…The title compound, C21H18N2O4, crystallizes with two independent molecules (A and B) in the asymmetric unit. In both molecules the oxazine ring has an…”
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    2-(4-Chlorophenyl)-4-phenyl-1,2-dihydroquinazoline by Derabli, Chamseddine, Boulcina, Raouf, Bouacida, Sofiane, Merazig, Hocine, Debache, Abdelmadjid

    “…In the title compound, C 20 H 15 ClN 2 , the pyrimidine ring is in a flattened half-chair conformation. The phenyl and chloro-substituted benzene rings form…”
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    Synthesis of Some New 1,4-Dihydropyridine Derivatives through a Facile One-pot Hantzsch Condensation Catalyzed by Triethylamine by Ghalem, Wassima Boulcina, Raouf Debache, Abdelmadjid

    Published in Chinese journal of chemistry (01-03-2012)
    “…A facile and efficient synthesis of new 1,4-dihydropyridine derivatives was reported via Hantzsch three-com- ponent condensation reaction of aldehydes or…”
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    New eco-friendly procedure for the synthesis of 4-arylmethylene-isoxazol-5(4H)-ones catalyzed by pyridinium p-toluenesulfonate (PPTS) in aqueous medium by Laroum, Rima, Debache, Abdelmadjid

    Published in Synthetic communications (18-07-2018)
    “…In this work we describe a new, highly efficient method for the synthesis of 3-methyl-4-arylmethylidene-isoxazol-5(4H)-one derivatives by a three-component…”
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    N -[(2-Chloro-8-methylquinolin-3-yl)methyl]-4-methoxyaniline by Boulcina, Raouf, Benhamoud, Nassima, Bouacida, Sofiane, Roisnel, Thierry, Debache, Abdelmadjid

    “…In the title compound, C18H17ClN2O, the quinoline ring system is essentially planar; the r.m.s. deviation for the non-H atoms is 0.04 Å with a maximum…”
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    Gypsum-Catalyzed One-Pot Synthesis of 3,4-Dihydropyrimidin-2(1H) Under Solvent-Free Conditions by Taoues Boumoud, Boudjemaa Boumoud, Paul Mosset, Abdelmadjid Debache

    Published in E-journal of chemistry (01-01-2011)
    “…In view of the emerging importance of the green chemistry principles in chemical and pharmaceutical industries, we disclose, herein, a new economic approach…”
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    An Efficient and Recycling Catalyst for the One-Pot Three-Component Synthesis of Substituted 3,4-Dihydropyrimidin-2(1H)-ones by Taoues Boumoud, Boudjemaa Boumoud, Salah Rhouati, Ali Belfaitah, Abdelmadjid Debache, Paul Mosset

    Published in E-journal of chemistry (2008)
    “…The Biginelli one-pot three-component cyclocondensation was applied in this work to prepare 3,4-dihydropyrimidinone and its analogues using the first…”
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    Synthesis and radical scavenging activity of new phenolic hydrazone/hydrazide derivatives: Experimental and theoretical studies by Boulebd, Houssem, Zine, Yasmine, Khodja, Imene Amine, Mermer, Arif, Demir, Adem, Debache, Abdelmadjid

    Published in Journal of molecular structure (05-02-2022)
    “…•A series of new phenolic hydrazone/hydrazide derivatives has been synthesized.•The hydrazones are better radical scavengers than the hydrazone-hydrazide…”
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    Ethyl 4-(2-chloroquinolin-3-yl)-1-phenyl-1H-pyrrole-3-carboxylate by Saida Benzerka, Abdelmalek Bouraiou, Sofiane Bouacida, Abdelmadjid Debache, Ali Belfaitah

    “…In the molecule of the title compound, C22H17ClN2O2, the dihedral angles formed by the pyrrole ring with the quinoline and phenyl rings are 67.93 (8) and 28.40…”
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    A one-pot Biginelli synthesis of 3,4-dihydropyrimidin-2-(1 H)-ones/thiones catalyzed by triphenylphosphine as Lewis base by Debache, Abdelmadjid, Amimour, Mouna, Belfaitah, Ali, Rhouati, Salah, Carboni, Bertrand

    Published in Tetrahedron letters (13-10-2008)
    “…We report herein the use of triphenylphosphine (TPP) as a new catalyst for the one-pot Biginelli reaction coupling of β-ketoesters, aldehydes and urea (or…”
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