Zobrazeno 1 - 10 of 33 pro vyhledávání: '"Musa Z. Nazer"'
1
Selective cyclization modes of methyl 3′-heteroarylamino-2′-(2,5-dichlorothiophene-3-carbonyl)acrylates. Synthesis of model (thienyl)pyrazolo- and triazolo[1,5-α]pyrimidines
Autor: Musa Z. Nazer, Nuha I. Sweidan, Mustafa M. El-Abadelah, Wolfgang Voelter
Publikováno v: Zeitschrift für Naturforschung B. 75:1037-1042
Interaction of methyl 3-ethoxy-2-(2,5-dichloro-3-thenoyl)acrylate (I) with 3-aminopyrazole and 3-amino-1,2,4-triazole generated the respective pyrazolo[1,5-α]pyrimidine (4) and triazolo[1,5-α]pyrimidine (7). The formation of 4 entails selective and
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a97b1ee06195c953fa2f5e9dfe1261fe
https://doi.org/10.1515/znb-2020-0128
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3
Thienopyridinone antibacterials: Synthesis and antibacterial activity of some 7-aryl-2-chloro-4,7-dihydro-4-oxothieno[2,3-b]pyridine-5-carboxylic acids
Autor: Musa Z. Nazer, Michèle Calas, Shadia F. Okasha, Jacques Bompart, Mustafa M. El-Abadelah, Pierre Mion
Publikováno v: European Journal of Medicinal Chemistry. 33:33-42
A series of 7-aryl-4-oxothieno[2,3- b ]pyridine-5-carboxylic acids 8 and their methyl esters 7 were synthesized by intramolecular cyclization of the respective 3- N -arylamino-2-(2,5-dichloro-3-thenoyl) acrylates 6 . The latter are accessible from me
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::3415e0a93622fab7189d13b2fb5e6990
https://doi.org/10.1016/s0223-5234(99)80073-7
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4
Synthesis and Chiroptical Properties of Some N-(2-Chloro-7-cyclopropyl-4,7-dihydro-4-oxo-thieno[2,3-b]pyridine-5-carbonyl) L-α-Amino Esters
Autor: Musa Z. Nazer, Salim S. Sabri, Marcela Geiger, Mustafa M. El-Abadelah, Wolfgang Voelter, Salim M. Khalil
Publikováno v: Zeitschrift für Naturforschung B. 52:419-426
A series of N-(2-chloro-7-cyclopropyl-4,7-dihydro-4-oxothieno[2,3-b]pyridine-5-carbonyl)-L-α-amino esters (5 ) have been prepared via the respective thieno[2,3-b]pyridinyl-5-carbonyl chloride (4). The CD spectra of the L-aliphatic (5a -d ) and L-aro
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d24a7512af3eb3ffa02aeafacde86e4d
https://doi.org/10.1515/znb-1997-0321
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5
Acid and base catalyzed Davis-Beirut reaction: experimental and theoretical mechanistic studies and synthesis of novel 3-amino-2H-indazoles
Autor: Musa Z. Nazer, Jason G. Harrison, Belem Avila, Dean J. Tantillo, Mark J. Kurth, Mohammad H. El-Dakdouki, Makhluf J. Haddadin
Publikováno v: Tetrahedron letters. 53(48)
Indazoles and indazolones are privileged heterocycles with many biological applications, which have prompted the development of numerous methods for the construction of these heterocyclic systems.1 While the chemistries to and of 1H-indazoles are wel
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3c6fefcb35a4c4932e79cb72af2833ef
https://pubmed.ncbi.nlm.nih.gov/23139435
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6
ChemInform Abstract: Ring Transformations of Heterocycles. Part 1. Transformation of 4- Amino-δ2-1,2,4-oxadiazolines into 1,3,4-Oxadiazoles
Autor: Musa Z. Nazer, Mustafa M. El-Abadelah, Paul Rademacher, M. Woydt, Ahmad Q. Hussein, Adel M. Awadallah
Publikováno v: ChemInform. 23
3-Aryl-4-amino-δ2-1,2,4-oxadiazolines 3 and their N-chloroacetyl derivatives 4, upon treatment with chloroacetic anhydride in refluxing toluene, afford 2-chloromethyl-5-aryl-1,3,4-oxadiazoles 5, suggesting the conversion sequence 3 → 4 → 5. The
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::794a11999fbcaad1dc1f75be8b30b199
https://doi.org/10.1002/chin.199204172
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