Zobrazeno 1 - 10
of 565
pro vyhledávání: '"Mohamed Hilmy Elnagdi"'
Publikováno v:
Croatica Chemica Acta, Vol 89, Iss 1, Pp 71-79 (2016)
Simple and efficient routes for the preparation of 2-amino-5-phenyl-4,5-dihydrofuran-3-carbonitrile (12), 2-oxo-5-phenyl-tetrahydrofuran-3-carbonitrile (13) and the 3,5-diaminopyrazole derivative 2h were developed. The results of the reactivity profi
Externí odkaz:
https://doaj.org/article/f11730c8697b43b6876ffb487e10d7b4
Autor:
N. S. Basudan, N. M. H. Elnagdi, Khadijah M. Al-Zaydi, M. A. Al-Solami, Mohamed Hilmy Elnagdi
Publikováno v:
Russian Journal of Organic Chemistry. 57:1309-1320
A three-component reaction of 1 mol of arylhydrazonals with 2 mol of an active methylene compound is realized under pressure to obtained novel functionalized pyridazines with a 96% atom economy. The reaction of arylhydrazonals with active methylene c
Autor:
Moustafa Sherief Moustafa, Saleh Mohammed Al-Mousawi, Maghraby Ali Selim, Ahmed Mohamed Mosallam, Mohamed Hilmy Elnagdi
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 10, Iss 1, Pp 141-149 (2014)
Novel routes for the preparation of 2-amino-4H-pyran-3-carbonitrile 9, amino-arylbenzoic acid ester derivatives 13a,b, 2-aminotetrahydro-4H-chromene-3-carbonitrile 18, 3-amino-4-cyanotetrahydronaphthalene-2-carboxylic acid ester 26 and 4-amino-3,5-di
Externí odkaz:
https://doaj.org/article/a623171308f44edf8ceeffa7da0145f9
Publikováno v:
Molecules, Vol 18, Iss 9, Pp 11033-11043 (2013)
Dyeing of polyester fabrics with thienobenzochromene disperse dyes under conventional and microwave heating conditions was studied in order to determine whether microwave heating could be used to enhance the dyeability of polyester fabrics. Fastness
Externí odkaz:
https://doaj.org/article/54311cb3eef54f7c98d0306e833693e5
Autor:
Herbert Meier, Johannes C. Liermann, Yehia A. Ibrahim, Noha Mohamed Hilmy, Saleh Mohammed Al-Mousawi, Moustafa Sherief Moustafa, Mohamed Hilmy Elnagdi
Publikováno v:
Molecules, Vol 18, Iss 1, Pp 276-286 (2012)
Reaction of enaminones 1a–d with 2-aminoprop-1-ene-1,1,3-tricarbonitrile (2) in the presence of AcOH/NH4OAc afforded 7-amino-5-oxo-5,6-dihydro-1,6-naphthyridine-8-carbonitrile derivatives 9a–d. On the other hand, 2-aminopyrano[4,3,2-de] [1,6]naph
Externí odkaz:
https://doaj.org/article/e8bdbdd11f274d57970594d09b6470b1
Publikováno v:
Journal of Heterocyclic Chemistry. 57:3584-3596
Autor:
Mohamed Hilmy Elnagdi, Fatma Elnahas, Ramadan Ahmed Mekheimer, Afaf Mohamed Abdel Hameed, Kamal Usef Sadek
Publikováno v:
Molecules, Vol 17, Iss 5, Pp 6011-6019 (2012)
A one-pot and clean synthesis of 2-arylbenzothiazoles via the ambient temperature reaction of 2-aminothiophenols and aromatic aldehydes without catalyst in glycerol as a green solvent has been reported.
Externí odkaz:
https://doaj.org/article/76b3d79a95b74441840423f4b88175d2
Autor:
Awatef Mohamed El-Maghraby, Maghraby Ali Selim, Omniya Sayed Zaky, Moustafa Sherief Moustafa, Mohamed Hilmy Elnagdi
Publikováno v:
Molecules, Vol 17, Iss 5, Pp 5924-5934 (2012)
The reaction of 3-oxo-3-phenyl-2-phenylhydrazonal with functionally substituted and heteroaromatic substituted acetonitrile to yield arylazonicotinic acid derivatives and 5-arylsubstituted pyridines was established. In some cases the produced nicotin
Externí odkaz:
https://doaj.org/article/cb249c0dd12e4a9cb253e931cb7333df
Autor:
Kamal Usef Sadek, Ramadan Ahmed Mekheimer, Tahany Mahmoud Mohamed, Moustafa Sherief Moustafa, Mohamed Hilmy Elnagdi
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 8, Iss 1, Pp 18-24 (2012)
The multicomponent reaction of 5-aminopyrazole derivatives with cyclic 1,3-dicarbonyl compounds and dimethylformamide dimethylacetal (DMFDMA) in DMF at 150 °C under controlled microwave heating afforded regioselectively 8,9-dihydropyrazolo[1,5-a]qui
Externí odkaz:
https://doaj.org/article/ad558acef5f14112903b9a232ea8ce55
Publikováno v:
Molecules, Vol 16, Iss 5, Pp 3456-3468 (2011)
The reactivity of the product believed to be 2-(1-phenyl-2-thiocyanato-ethylidene)malononitrile toward a variety of electrophilic and nucleophilic reagents is reported.
Externí odkaz:
https://doaj.org/article/0837ee925c0e416bb41be7aed5c57c8c