Výsledky vyhledávání - "Mahmoud M. M. Ramiz"

Activated anilide in heterocyclic synthesis: Synthesis of new hydrazo, dihydropyridazine, tetrahydropyridine, dihydropyridine and pyranopyridine derivatives

Autor: Ibrahim Saad Abdel Hafiz, Mohamed Ahmed Elian, Mahmoud M. M. Ramiz

Publikováno v: Journal of Chemical Sciences. 124:647-655

A series of new hydrazo, dihydropyridazine, tetrahydropyridine, dihydropyridine and pyranopyridine derivatives with known biological activity have been prepared through the reactions of 3-oxo-3-phenyl-N-(pyridine-3-yl) propanamide 3 and enaminonitril

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::eff2e4ed6eed9f8f6fbb58c370582ded
https://doi.org/10.1007/s12039-012-0259-8

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Pyrazolones as Building Blocks in Heterocyclic Synthesis: Synthesis of New Pyrazolopyran, Pyrazolopyridazine and Pyrazole Derivatives of Expected Antifungicidal Activity

Autor: Ibrahim Saad Abdel Hafiz, Mohamed Ahmed Mahmoud Abdel Reheim, Mahmoud M. M. Ramiz, Hatem M. Gaber

Publikováno v: Journal of the Chinese Chemical Society. 59:72-80

A series of new pyrazolone and pyrazole derivatives with expected antifungicidal activity have been prepared through the reactions 3-phenyl-1-H-pyrazol-5(4H)-one (3) and 4-(dimethylaminomethylene)-3-phenyl-1H-pyrazol-5(4H)-one (5) with a variety of e

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ca5498cc48cc70ad17c252985a277de3
https://doi.org/10.1002/jccs.201100194

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Antimicrobial Activity of Newly Synthesized 2,5-Disubstituted 1,3,4-Thiadiaozle Derivatives

Autor: Mahmoud M. M. Ramiz, Saudi Arabia

Publikováno v: Bulletin of the Korean Chemical Society. 32:4227-4232

Department of Chemistry, Faculty of Science, Northern Border University, Arar, Saudi ArabiaReceived August 26, 2011, Accepted October 3, 2 011A number of new 2,5-disubstituted 1,3,4-thiadiazole and their S- or N-substituted derivatives as well as the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ef7a79b45259f554e607cf692434e82a
https://doi.org/10.5012/bkcs.2011.32.12.4227

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Activated Anilide in Heterocyclic Synthesis: Synthesis of New Dihydropyridines, Dihydropyridazines and Thiourea Derivatives

Autor: Mahmoud M. M. Ramiz, Ahmed A. M. Sarhan, Ibrahim Saad Abdel Hafiz

Publikováno v: Chinese Journal of Chemistry. 29:1154-1162

A series of new dihydropyridines, butanamide, dihydropyridazines and thiourea derivatives have been prepared through the reactions of 3-aminopyridine (1) and N-(pyridin-3-yl)-3-(pyridin-3-ylimino)butanamide 3 with some electrophilic reagents, aryl di

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4198ccf0e3d3a030525386376e0411ab
https://doi.org/10.1002/cjoc.201190216

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Synthesis and antiviral activity of new substituted pyrimidine glycosides

Autor: Ezzat Hagag, Mahmoud M. M. Ramiz, Wael A. El-Sayed, Adel A.-H. Abdel-Rahman

Publikováno v: Journal of Heterocyclic Chemistry. 48:1028-1038

A number of N-substituted pyrimidine glycosides were synthesized by coupling reaction of the pyrimidine base with acetobromosugars followed by deprotection. The synthesized compounds were tested for their antiviral activity against Hepatitis B Virus

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::848c178e55ad4cd5216947e57cafd0f3
https://doi.org/10.1002/jhet.686

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Antimicrobial activity of new 4,6-disubstituted pyrimidine, pyrazoline, and pyran derivatives

Autor: Adel A.-H. Abdel-Rahman, Asmaa I. El-Tantawy, Mahmoud M. M. Ramiz, Wael A. El-Sayed

Publikováno v: Archives of Pharmacal Research. 33:647-654

A number of new 2,6-didisubstituted pyrimidine, pyrazoline, and pyran derivatives were synthesized starting from their chalcone derivative. The synthesized compounds displayed different degrees of antimicrobial activity against Bscillus subtilis (Gra

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ab6291576794fcddd0f6f768e1480dd6
https://doi.org/10.1007/s12272-010-0501-1

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C-Furyl glycosides, I: Synthesis and antimicrobial evaluation of C-furyl glycosides and chalcones derived therefrom

Autor: Wael A. El-Sayed, Adel A.-H. Abdel-Rahman, Mahmoud M. M. Ramiz

Publikováno v: Monatshefte für Chemie - Chemical Monthly. 139:1499-1505

New C-furyl glycosides were synthesized in order to increase the number of compounds screened for antimicrobial activity. The antimicrobial activity showed that the bromo as well as the nitro derivatives were the most active compounds.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5534ac9e087199b76986fb9b64c598f7
https://doi.org/10.1007/s00706-008-0941-1

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β-Enaminonitriles in heterocylic synthesis: Synthesis of new tetrahydropyridinethione, pyridopyrimidines, pyridotriazines and dihydropyridines

Autor: Elham S. Darwish, Mahmoud M. M. Ramiz, Fivian Farok Mahmoud, Ibrahim Saad Abdel Hafiz

Publikováno v: Journal of Chemical Sciences. 120:339-345

The chemistry of enaminonitrile and enaminone derivatives has been explored for the synthesis of heterocyclic compounds. A tetrahydropyridinthione was prepared from the reaction of 2-aminocrotononitrile with cyanothioacetamide. This compound reacted

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5fde861e8583afa58afd80bc8fc4823a
https://doi.org/10.1007/s12039-008-0057-5

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