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Sanad, S. M. H., M. A. E. Hawass, A. H. M. Elwahy, and I. A. Abdelhamid, "Hantzsch synthesis of bis (1, 4-dihydropyridines) and bis (tetrahydrodipyrazolo [3, 4-b: 4′, 3′-e] pyridines) linked to pyrazole units as novel hybrid molecules", Synthetic Communications, vol. 50, issue 13: Taylor & Francis, pp. 1982-1992, 2020. Abstract
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Sanad, S. M. H., M. A. E. Hawass, A. H. M. Elwahy, and I. A. Abdelhamid, "Hantzsch synthesis of bis (1, 4-dihydropyridines) and bis (tetrahydrodipyrazolo [3, 4-b: 4′, 3′-e] pyridines) linked to pyrazole units as novel hybrid molecules", Synthetic Communications, vol. 50, issue 13: Taylor & Francis, pp. 1982-1992, 2020. Abstract
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Hawass, M. A. E., S. M. H. Sanad, A. H. M. Elwahy, and I. A. Abdelhamid, "Hantzsch synthesis of bis (pyrido [2, 3-d: 6, 5-d'] dipyrimidines), bis (pyrimido [4, 5-b] quinolines), and bis (benzo [4, 5] imidazo [2, 1-b] quinazolines) linked to pyrazole units as novel hybrid molecules", Synthetic Communications, vol. 51, issue 12: Taylor & Francis, pp. 1899-1912, 2021. Abstract
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Hawass, M. A. E., S. M. H. Sanad, A. H. M. Elwahy, and I. A. Abdelhamid, "Hantzsch synthesis of bis (pyrido [2, 3-d: 6, 5-d'] dipyrimidines), bis (pyrimido [4, 5-b] quinolines), and bis (benzo [4, 5] imidazo [2, 1-b] quinazolines) linked to pyrazole units as novel hybrid molecules", Synthetic Communications, vol. 51, issue 12: Taylor & Francis, pp. 1899-1912, 2021. Abstract
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Sanad, S. M. H., M. A. E. Hawass, A. H. M. Elwahy, and I. A. Abdelhamid, "Hantzsch synthesis of bis(1,4-dihydropyridines) and bis(tetrahydrodipyrazolo[3,4-b:4′,3′-e]pyridines) linked to pyrazole units as novel hybrid molecules", Synth. Commun. , vol. 50, issue 13, pp. 1982-1992, 2020. 020_synth_commun_2020.pdf
Abdelmoniem, A. M., F. M. Sroor, M. A. Ramadan, S. A. S. Ghozlan, and I. A. Abdelhamid, "Hantzsch-Like One-Pot Three-Component Synthesis of Heptaazadicyclopenta [a, j] anthracenes: A New Ring System", Synlett: © Georg Thieme Verlag, 2020. Abstract
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Abdelmoniem, A. M., F. M. Sroor, M. A. Ramadan, S. A. S. Ghozlan, and I. A. Abdelhamid, "Hantzsch-Like One-Pot Three-Component Synthesis of Heptaazadicyclopenta [a, j] anthracenes: A New Ring System", Synlett: © Georg Thieme Verlag, 2020. Abstract
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Abdelmoniem, A. M., F. M. Sroor, M. A. Ramadan, S. A. S. Ghozlan, and I. A. Abdelhamid, "Hantzsch-Like One-Pot Three-Component Synthesis of Heptaazadicyclopenta[ a, j ]anthracenes: A New Ring System", Synlett, vol. 31, issue 9: Georg Thieme Verlag, pp. 895 - 898, 2020/06//. Abstract

A concise and efficient approach to novel tetrahydroheptaazadicyclopenta[ a, j ]anthracene-5,7-diones, by the reaction of aldehydes with two moles of 7-amino-2-methyl-3-phenylpyrazolo[1,5- a ]pyrimidin-5-one is reported. Also, pyrazolo[1,5- a ]pyrido[3,2- e ]pyrimidine-7-carbonitrile derivatives were prepared by a three-component reaction of aldehydes, 7-amino-2-methyl-3-phenylpyrazolo[1,5- a ]pyrimidin-5-one, and 3-aminocrotononitrile.

Diab, H. M., M. E. Salem, I. A. Abdelhamid, and A. H. M. Elwahy, "Hantzsch-like synthesis of bis (sulfanediyl) bis (tetrahydropyrimido [4, 5-b] quinoline-4, 6-diones) linked to arene or heteroarene cores utilizing bis (sulfanediyl) bis (6-aminopyrimidin-4-ones) as precursors", Monatshefte Für Chemie-Chemical Monthly, vol. 152, issue 8: Springer Vienna, pp. 967-976, 2021. Abstract
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Diab, H. M., M. E. Salem, I. A. Abdelhamid, and A. H. M. Elwahy, "Hantzsch-like synthesis of bis (sulfanediyl) bis (tetrahydropyrimido [4, 5-b] quinoline-4, 6-diones) linked to arene or heteroarene cores utilizing bis (sulfanediyl) bis (6-aminopyrimidin-4-ones) as precursors", Monatshefte Für Chemie-Chemical Monthly, vol. 152, issue 8: Springer Vienna, pp. 967-976, 2021. Abstract
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Diab, H. M., M. E. Salem, I. A. Abdelhamid, and A. H. M. Elwahy, Hantzsch-like synthesis of bis(sulfanediyl)bis(tetrahydropyrimido[4,5-b]quinoline-4,6-diones) linked to arene or heteroarene cores utilizing bis(sulfanediyl)bis(6-aminopyrimidin-4-ones) as precursors, , vol. 152, issue 8, pp. 967 - 976, 2021. AbstractWebsite

A novel series of bis(sulfanediyl)bis(tetrahydropyrimido[4,5-b]quinoline-4,6-diones) which are linked to benzene, pyridine, or thieno[4,5-d]thiophene cores were prepared to via multicomponent reaction of bis(sulfanediyl))bis(6-aminopyrimidin-4(1H)-ones) with two equivalents of both dimedone and the appropriate aromatic aldehyde. The target molecules were alternatively prepared via the bis-alkylation reactions of the appropriate 5-aryl-2-thioxohexahydropyrimido[4,5-b]quinoline-4,6-dione with the corresponding dibromo compounds.

Eid, E. M., H. M. E. Hassaneen, A. H. M. Elwahy, and I. A. Abdelhamid, "Hantzsch-like synthesis of novel bis (hexahydroacridine-1, 8-diones), bis (tetrahydrodipyrazolo [3, 4-b: 4′, 3′-e] pyridines), and bis (pyrimido [4, 5-b] quinolines) incorporating thieno [2, 3-b] thiophenes", Journal of Chemical Research, vol. 44, issue 11-12: SAGE Publications, pp. 653–659, 2020. Abstract
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Eid, E. M., H. M. E. Hassaneen, A. H. M. Elwahy, and I. A. Abdelhamid, "Hantzsch-like synthesis of novel bis (hexahydroacridine-1, 8-diones), bis (tetrahydrodipyrazolo [3, 4-b: 4′, 3′-e] pyridines), and bis (pyrimido [4, 5-b] quinolines) incorporating thieno [2, 3-b] thiophenes", Journal of Chemical Research, vol. 44, issue 11-12: SAGE Publications Sage UK: London, England, pp. 653-659, 2020. Abstract
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Teleb, M. M. A., H. M. Hassaneen, I. A. Abdelhamid, and F. M. Saleh, "Hantzsch-like synthesis of the 10 b-azachrysenes, spirocyclic oxindole of 10 b-azachrysene and 10 a-azaphenanthrene utilizing 2-(6, 7-dimethoxy-3, 4-dihydroisoquinolin-1-yl) acetonitrile as a precursor", Synthetic Communications, vol. 51, issue 4: Taylor & Francis, pp. 553-562, 2021. Abstract
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Teleb, M. M. A., H. M. Hassaneen, I. A. Abdelhamid, and F. M. Saleh, "Hantzsch-like synthesis of the 10 b-azachrysenes, spirocyclic oxindole of 10 b-azachrysene and 10 a-azaphenanthrene utilizing 2-(6, 7-dimethoxy-3, 4-dihydroisoquinolin-1-yl) acetonitrile as a precursor", Synthetic Communications, vol. 51, issue 4: Taylor & Francis, pp. 553-562, 2021. Abstract
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Teleb, M. M. A., H. M. Hassaneen, I. A. Abdelhamid, and F. M. Saleh, "Hantzsch-like synthesis of the 10 b-azachrysenes, spirocyclic oxindole of 10 b-azachrysene and 10 a-azaphenanthrene utilizing 2-(6, 7-dimethoxy-3, 4-dihydroisoquinolin-1-yl) acetonitrile as a precursor", Synthetic Communications, vol. 51, issue 4: Taylor & Francis, pp. 553-562, 2021. Abstract
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Teleb, M. M. A., H. M. Hassaneen, I. A. Abdelhamid, and F. M. Saleh, "Hantzsch-like synthesis of the 10 b-azachrysenes, spirocyclic oxindole of 10 b-azachrysene and 10 a-azaphenanthrene utilizing 2-(6, 7-dimethoxy-3, 4-dihydroisoquinolin-1-yl) acetonitrile as a precursor", Synthetic Communications, vol. 51, issue 4: Taylor & Francis, pp. 553-562, 2021. Abstract
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Teleb, M. M. A., H. M. Hassaneen, I. A. Abdelhamid, and F. M. Saleh, "Hantzsch-like synthesis of the 10 b-azachrysenes, spirocyclic oxindole of 10 b-azachrysene and 10 a-azaphenanthrene utilizing 2-(6, 7-dimethoxy-3, 4-dihydroisoquinolin-1-yl) acetonitrile as a precursor", Synthetic Communications, vol. 51, issue 4: Taylor & Francis, pp. 553-562, 2021. Abstract
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Saleh, F. M., H. M. Hassaneen, and I. A. Abdelhamid, "Hantzsch-Like Three-Component Synthesis of 9, 10-Dihydro-3H-10a-azaphenanthrene-2, 4-dicarbonitriles", Synlett, vol. 31, pp. 1126-1128, 2020.
Saleh, F. M., H. M. Hassaneen, and I. A. Abdelhamid, "Hantzsch-Like Three-Component Synthesis of 9, 10-Dihydro-3H-10a-azaphenanthrene-2, 4-dicarbonitriles", Synlett, vol. 31, issue 11: © Georg Thieme Verlag, pp. 1126-1128, 2020. Abstract
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Saleh, F. M., H. M. Hassaneen, H. Butenschön, G. Dräger, and I. A. Abdelhamid, "Hantzsch-like three-component synthesis of tetracyclic 10b-azachrysenes: Unambiguous structural elucidation using X-ray crystallography and 2D-HMBC spectroscopy", Tetrahedron Letters, vol. 60, issue 46: Pergamon, pp. 151265, 2019. Abstract
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Saleh, F. M., H. M. Hassaneen, H. Butenschön, G. Dräger, and I. A. Abdelhamid, "Hantzsch-like three-component synthesis of tetracyclic 10b-azachrysenes: Unambiguous structural elucidation using X-ray crystallography and 2D-HMBC spectroscopy", Tetrahedron Letters, vol. 60, issue 46, pp. 151265, 2019.
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