Zobrazeno 1 - 5 of 5 pro vyhledávání: '"Nesma A. Abd El-Fatah"'
3
Investigation of the reactivity of (1H-benzo[d]imidazol-2-yl)acetonitrile and (benzo[d]thiazol-2-yl)acetonitrile as precursors for novel bis(benzo[4,5]imidazo[1,2-a]pyridines) and bis(benzo[4,5]thiazolo[3,2-a]pyridines)
Autor: Mostafa E. Salem, Ahmed F. Darweesh, Ismail A. Abdelhamid, Ahmed H. M. Elwahy, Nesma A. Abd El-Fatah
A synthesis of novel bis(benzo[4,5]imidazo[1,2-a]pyridines) via the reaction of the appropriate bis(aldehyde) with 2-(1H-benzo[d]imidazol-2-yl)acetonitrile and malononitrile in ethanol at reflux in the presence of piperidine was reported. On the othe
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a5ed7a5d4da51c6736fb2271c6ed7b8c
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4
Regioselective synthesis and theoretical studies of novel bis(tetrahydro[1,2,4]triazolo[5,1-b]quinazolin-8(4H)-ones) catalyzed by ZnO nanoparticles
Autor: Nesma A. Abd El-Fatah, Ahmed F. Darweesh, Ahmed H. M. Elwahy, Adel A. Mohamed, Ismail A. Abdelhamid
Publikováno v: Monatshefte für Chemie - Chemical Monthly. 148:2107-2122
A novel series of bis(tetrahydro[1,2,4]triazolo[5,1-b]quinazolin-8(4H)-ones) were prepared in a regioselective manner via a three component reaction of bis-aldehydes with 5-amino-1,2,4-triazole and dimedone under microwave irradiation as well as unde
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::929bfaf77e885a950c86c1ce35d065a3
https://doi.org/10.1007/s00706-017-2040-7
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5
Experimental and theoretical study on the regioselective bis- and polyalkylation of 2-mercaptonicotinonitrile and 2-mercaptopyrimidine-5-carbonitrile derivatives
Autor: Adel A. Mohamed, Nesma A. Abd El-Fatah, Ismail A. Abdelhamid, Ahmed F. Darweesh, Ahmed H. M. Elwahy
Publikováno v: Tetrahedron. 73:1436-1450
The synthetic utility of 2-mercaptonicotinonitriles 3 and 4, as well as 2-mercapto-4-oxo-6-phenyl-1,4-dihydropyrimidine-5-carbonitrile 20 as building blocks for novel bis- and poly(pyridines), along with poly(pyrimidines) via alkylation with the corr
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f76690f29931974488a4e13a71a320fa
https://doi.org/10.1016/j.tet.2017.01.047
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