Zobrazeno 1 - 10 of 19 pro vyhledávání: '"S. M. El-Khawass"'
1
Synthesis of Some New Antimicrobial Thiadiazolyl and Oxadiazolyl Quinoline Derivatives
Autor: Ola H. Rizk, Mona A. Mahran, El-Sebai A. Ibrahim, S. A. Shams El-Dine, S. M. El-Khawass
Publikováno v: Medicinal Chemistry Research. 14:260-273
Two series of substituted thiadiazolyl and oxadiazolylquinolines (3a-h, 4a-h, 7a-f, 8a-f and 9) were synthesized and screened for their antimicrobila activity. Some of the tested compounds showed promising activity. Compound 4b exhibited bactericidal
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::34a843c76a454d7f523f7ea8f37a3231
https://doi.org/10.1007/s00044-005-0138-7
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3
Novel thiazolinyl, thiazolidinonyl, thiadiazolyl and oxadiazolyl-benzotriazole derivatives with potential antiinflammatory activity and minimum ulcerogenic effect
Autor: N S, Habib, S, Fahmy, S M, El-Khawass, T A, Abel Aziem
Publikováno v: Die Pharmazie. 55(12)
Four novel series of 1H-benzotriazole derivatives; containing thiazolin, thiazolidin, thiadiazole and oxadiazole moieties; namely 1-[(3,4-disubstituted thiazolin-2-ylidene)hydrazinocarbonyl]methyl-1H-benzotriazoles 3a-1; 1-[3-substituted 5-ethoxycarb
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::b93af2d56da34051c7d11dc04c6520ad
https://pubmed.ncbi.nlm.nih.gov/11189864
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4
ChemInform Abstract: Synthesis of Some 1,2,4-Triazolo(3,4-b)(1,3,4)thiadiazoles as Potential Anthelmintics
Autor: N. F. Loutfy, S. M. El-Khawass, H. A. Bassiouny, A. A. B. Hazzaa, M. A. Khalil
Publikováno v: ChemInform. 21
Two novel series of triazolothiadiazole derivatives were synthesized, namely: 6-substituted-3-(4-substituted phenoxymethyl)-1,2,4-triazolo[3,4- b] [1,3,4]thiadiazoles and 6-mercapto-3-(4-substituted phenoxy-methyl)-1,2,4-triazolo[3,4- b] [1,3,4]thiad
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::79b7001b23ee142a1530423f110a0bfe
https://doi.org/10.1002/chin.199009178
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5
Synthesis of 1,2,4-triazole, 1,2,4-triazolo[3,4-b][1,3,4]thiadiazole and 1,2,4-triazolo[3,4-b][1,3,4]thiadiazine derivatives of benzotriazole
Autor: S. M. El-Khawass, N. S. Habib
Publikováno v: Journal of Heterocyclic Chemistry. 26:177-181
A novel series of 1-(1-carbonylmethyl-1H-benzotriazole) thiosemicarbazides 3a-e was synthesized and then cyclized with sodium hydroxide to afford 1-(4-substituted-4H-1,2,4-triazole-3-thion-5-yl)methyl-1H-benzotriazoles 4a-e, which were alkylated with
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::1c84178ae95ccecf2e7c369741141591
https://doi.org/10.1002/jhet.5570260131
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8
ChemInform Abstract: Synthesis of Some Thiazoline and Thiazolidinone Derivatives of 1,4-Benzoquinone as Potential Antimicrobial Agents
Autor: M A Khalil, S. M. El-Khawass, I Chaaban
Publikováno v: ChemInform. 20
Three novel series of benzoquinone derivatives were synthesized, namely: N-(3-aryl-4-phenylthiazolin-2-ylidene)-N-(1,4-benzoquinone carbonyl) hydrazines; N-(3-aryl-5-carbethoxy-4-methylthiazolin-2-ylidene)-N-(1,4- benzoquinone carbonyl)hydrazine and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::fc24cf6da2fbda489fce2364d7bce12f
https://doi.org/10.1002/chin.198947193
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9
Synthesis of some 1,2,4-triazolo [3,4-b] [1,3,4]thiadiazoles as potential anthelmintics
Autor: S M, el-Khawass, M A, Khalil, A A, Hazzaa, H A, Bassiouny, N F, Loutfy
Publikováno v: Farmaco (Societa chimica italiana : 1989). 44(7-8)
Two novel series of triazolothiadiazole derivatives were synthesized, namely: 6-substituted-3-(4-substituted phenoxymethyl)-1,2,4-triazolo[3,4- b] [1,3,4]thiadiazoles and 6-mercapto-3-(4-substituted phenoxy-methyl)-1,2,4-triazolo[3,4- b] [1,3,4]thiad
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::00daaa0f2db1aacf84875e0a9e9b908d
https://pubmed.ncbi.nlm.nih.gov/2590368
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10
Steroidal derivatives. Part 1: some novel steroidal thiosemicarbazones. Their synthesis, anticancer and endocrinological activities
Autor: A, Mohsen, M E, Omar, S M, El-Khawass, A B, Makar, N M, Bakry, T T, Daabees
Publikováno v: Die Pharmazie. 33(9)
The synthesis of several novel thiosemicarbazone derivatives of steroids, including estrogens and androgens, is described. Evaluation of the products in P 388 Lymphocytic Leukemia indicated no anticancer activity. The endocrinological screening showe
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::849364bc5cfd50c493b783f52c59a629
https://pubmed.ncbi.nlm.nih.gov/733869
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