Hamama wafaa (25 résultats)

Etat : New.

Paperback. Etat : Brand New. 104 pages. 8.66x5.91x0.24 inches. In Stock.

Paperback. Etat : Brand New. 100 pages. 8.66x5.91x0.23 inches. In Stock.

Taschenbuch. Etat : Neu. Accessibility to Construct Fused or Binary Heterocyclic Compounds | Synthesis and Biological Evaluation of Novel Thiadiazole Derivatives | Wafaa S. Hamama (u. a.) | Taschenbuch | Englisch | LAP Lambert Academic Publishing | EAN 9783659148989 | Verantwortliche Person für die EU: LAP Lambert Academic Publishing, Brivibas Gatve 197, 1039 RIGA, LETTLAND, customerservice[at]vdm-vsg[dot]de | Anbieter: preigu.…

Taschenbuch. Etat : Neu. Vistas in Quinolones Chemistry | Wafaa S. Hamama | Taschenbuch | 104 S. | Englisch | 2019 | LAP LAMBERT Academic Publishing | EAN 9783659590191 | Verantwortliche Person für die EU: BoD - Books on Demand, In de Tarpen 42, 22848 Norderstedt, info[at]bod[dot]de | Anbieter: preigu. …

Taschenbuch. Etat : Neu. Vistas in Quinolones Chemistry | Wafaa Hamama (u. a.) | Taschenbuch | 92 S. | Englisch | 2018 | LAP LAMBERT Academic Publishing | EAN 9783659885761 | Verantwortliche Person für die EU: BoD - Books on Demand, In de Tarpen 42, 22848 Norderstedt, info[at]bod[dot]de | Anbieter: preigu. …

Paperback. Etat : Like New. LIKE NEW. SHIPS FROM MULTIPLE LOCATIONS. book.

Etat : New.

Taschenbuch. Etat : Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - This book highlighted the methods used for synthesis of 1,3-oxathiolan-5-one derivatives, besides, covered many reports of the applications of multicomponent domino reactions (MDRs) in the synthesis of novel stereocontrolled mercapto-heterocycles. In addition, it reported theoretically studies for the all of the new synthesized compounds. In this context, we reported herein peculiar reaction behavior of 2-methyl-2-phenyl-1,3-oxathiolan-5-one which acts as acyl transfer agent towards various reagents through acyl transfer. The methods of the synthesis and synthetic mechanisms of the aforementioned reactions were well presented and the structures of these compounds were assessed by analytical and spectral data.…

Taschenbuch. Etat : Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Quinolone derivatives represent an important class of nitrogen containing heterocycles along with diverse useful bioactivities. They are widely used as key intermediates in the preparation of some natural products and related structures. A broad number of fascinating pharmacological activities have been associated with 2- quinolinone derivatives. The quinolinone alkaloids isolated from the Rutaceae family of plants, have been shown to exhibit a variety of biological properties. The corresponding compounds exhibit similar properties, as exemplified by antibacterial, antifungal and antivirial. 104 pp. Englisch.…

Taschenbuch. Etat : Neu. This item is printed on demand - it takes 3-4 days longer - Neuware -Summary The aim of the present work is to design and synthesize binary, fused, spiro and polynuclear ring systems containing quinolone and evaluate its biological value such as antioxidant agents and antitumor agents. Thus, in the light of the aforementioned importance of 7-methoxyquinolin-2,4(1H,3H)-dione and its derivatives, the present work is planned to investigate their behavior towards various reagents. Therefore, the sequences of these reactions followed for the preparation of the designed compounds in this thesis are summarized in Scheme 1-5. Synthesis of fused compounds containing quinolone 7-methoxyquinolin-2,4(1H,3H)-dione (1) was reacted with DMF/DMA in DMF to yield 2. While ,beta-unsaturated ketones 3-5 were afforded by conventional Claisen-Schmidt condensation by refluxing compound 1 with a variety of aldehydes namely; p-methoxylbenzaldehyde, 4-chlorobenzaldehyde, 4-hydroxy-2-methoxybenzaldehyde, 2-hydroxybenzaldehyde, thiophene-2-carbaldehyde, and 1,3-diphenyl-1H-pyrazole-4-carbaldehyde, respectively. Also, refluxing compound 1 with cinnamaldehyde gave compound 6 and after dilution yielded compound 7 (Scheme 1). 92 pp. Englisch.…

Etat : New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Ghaith EslamEslam Abdelghaffar Ghaith: was born in Mansoura, Egypt. In 2012, he received his B.Sc in chemistry and M.Sc in Organic chemistry 2016 from the Faculty of Science, Mansoura University, Egypt. Thesis advisors: Prof. H. H. Z. …

Taschenbuch. Etat : Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - This book highlighted the methods used for the syntheses of thiadiazole compounds. The activity of thiadiazole and their synthetic importance were investigated. It also reported a theoretically study for the expected tautomeric behavior of 2-amino(imino)-1,3,4-thiadiazole to determine if it is acting either as amine or as semicyclic amidine. In this context, we reported herein the behavior of 2-aminothiadiazole towards some active reagents as a facile and convenient route to some fused or binary heterocyclic compounds containing a thiadiazole moiety. The methods of synthesis and the synthetic mechanisms of the aforementioned reactions were well presented and the structures of these compounds were assessed by analytical and spectral data. ABTS Antioxidant assay, Bleomycin-dependent DNA damage and antitumor activity methods were used for the evaluation of the biological activity of the investigated compounds.…

Taschenbuch. Etat : Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Quinolone derivatives represent an important class of nitrogen containing heterocycles along with diverse useful bioactivities. They are widely used as key intermediates in the preparation of some natural products and related structures. A broad number of fascinating pharmacological activities have been associated with 2- quinolinone derivatives. The quinolinone alkaloids isolated from the Rutaceae family of plants, have been shown to exhibit a variety of biological properties. The corresponding compounds exhibit similar properties, as exemplified by antibacterial, antifungal and antivirial.…

Taschenbuch. Etat : Neu. nach der Bestellung gedruckt Neuware - Printed after ordering - Summary The aim of the present work is to design and synthesize binary, fused, spiro and polynuclear ring systems containing quinolone and evaluate its biological value such as antioxidant agents and antitumor agents. Thus, in the light of the aforementioned importance of 7-methoxyquinolin-2,4(1H,3H)-dione and its derivatives, the present work is planned to investigate their behavior towards various reagents. Therefore, the sequences of these reactions followed for the preparation of the designed compounds in this thesis are summarized in Scheme 1-5. Synthesis of fused compounds containing quinolone 7-methoxyquinolin-2,4(1H,3H)-dione (1) was reacted with DMF/DMA in DMF to yield 2. While ,beta-unsaturated ketones 3-5 were afforded by conventional Claisen-Schmidt condensation by refluxing compound 1 with a variety of aldehydes namely; p-methoxylbenzaldehyde, 4-chlorobenzaldehyde, 4-hydroxy-2-methoxybenzaldehyde, 2-hydroxybenzaldehyde, thiophene-2-carbaldehyde, and 1,3-diphenyl-1H-pyrazole-4-carbaldehyde, respectively. Also, refluxing compound 1 with cinnamaldehyde gave compound 6 and after dilution yielded compound 7 (Scheme 1).…

Etat : New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Hamama Wafaa S.She has obtained her B.Sc. (1975), M.Sc. (1978) and Ph.D. (1983) in Organic Chemistry from Mansoura University. She is a reviewer for the Permanent Scientific Committee (Organic Chemistry, 2012). She worked in Um-El Ko.…

Etat : New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Ibrahim MonaMona Elsayed Ibrahim: was born in Matria, Egypt. She graduated from Mansoura University where she carried out her M.Sc. and PhD. studiesunder the supervision of Professor H. H. Zoorob and Professor W. S. Hamama and was aw.…

Etat : New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Hamama WafaaWafaa Salama Hamama: graduated from Faculty of Science, Mansoura University where she was awarded the MSc and PhD in Chemistry from Faculty of Science, Mansoura University in 1978 and 1983, respectively. She was awarded A.…

Etat : New. Dieser Artikel ist ein Print on Demand Artikel und wird nach Ihrer Bestellung fuer Sie gedruckt. Autor/Autorin: Hamama Wafaa S.Wafaa S. Hamama - PhD, Mansoura University, Department of Chemistry.Quinolone derivatives represent an important class of nitrogen containing heterocycles along with diverse useful bioactivities. They are widely us.…

Etat : New. Print on Demand.

Etat : New. PRINT ON DEMAND.

Taschenbuch. Etat : Neu. This item is printed on demand - Print on Demand Titel. Neuware -Summary The aim of the present work is to design and synthesize binary, fused, spiro and polynuclear ring systems containing quinolone and evaluate its biological value such as antioxidant agents and antitumor agents. Thus, in the light of the aforementioned importance of 7-methoxyquinolin-2,4(1H,3H)-dione and its derivatives, the present work is planned to investigate their behavior towards various reagents. Therefore, the sequences of these reactions followed for the preparation of the designed compounds in this thesis are summarized in Scheme 1-5. Synthesis of fused compounds containing quinolone 7-methoxyquinolin-2,4(1H,3H)-dione (1) was reacted with DMF/DMA in DMF to yield 2. While ¿,ß-unsaturated ketones 3-5 were afforded by conventional Claisen-Schmidt condensation by refluxing compound 1 with a variety of aldehydes namely; p-methoxylbenzaldehyde, 4-chlorobenzaldehyde, 4-hydroxy-2-methoxybenzaldehyde, 2-hydroxybenzaldehyde, thiophene-2-carbaldehyde, and 1,3-diphenyl-1H-pyrazole-4-carbaldehyde, respectively. Also, refluxing compound 1 with cinnamaldehyde gave compound 6 and after dilution yielded compound 7 (Scheme 1).VDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 92 pp. Englisch.…

Taschenbuch. Etat : Neu. This item is printed on demand - Print on Demand Titel. Neuware -Quinolone derivatives represent an important class of nitrogen containing heterocycles along with diverse useful bioactivities. They are widely used as key intermediates in the preparation of some natural products and related structures. A broad number of fascinating pharmacological activities have been associated with 2- quinolinone derivatives. The quinolinone alkaloids isolated from the Rutaceae family of plants, have been shown to exhibit a variety of biological properties. The corresponding compounds exhibit similar properties, as exemplified by antibacterial, antifungal and antivirial.VDM Verlag, Dudweiler Landstraße 99, 66123 Saarbrücken 104 pp. Englisch.…

Etat : New. Print on Demand.

Etat : New. PRINT ON DEMAND.