Nadia H. Metwally
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View article: Crystal structure of the 1:1 adduct of (<i>E</i>)-5-(2,3-dihydrobenzo[<i>d</i>]thiazol-2-ylidene)-2,6-dioxo-4-phenyl-1,2,5,6-tetrahydropyridine-3-carbonitrile and its piperidinium salt, piperidinium (<i>Z</i>)-5-(benzo[<i>d</i>]thiazol-2-yl)-3-cyano-6-oxo-4-phenyl-1,6-dihydropyridin-2-olate
Crystal structure of the 1:1 adduct of (<i>E</i>)-5-(2,3-dihydrobenzo[<i>d</i>]thiazol-2-ylidene)-2,6-dioxo-4-phenyl-1,2,5,6-tetrahydropyridine-3-carbonitrile and its piperidinium salt, piperidinium (<i>Z</i>)-5-(benzo[<i>d</i>]thiazol-2-yl)-3-cyano-6-oxo-4-phenyl-1,6-dihydropyridin-2-olate Open
In the structure of the title compound, C 5 H 12 N + ·C 19 H 10 N 3 O 2 S − ·C 19 H 11 N 3 O 2 S, the central pyridinic rings are approximately coplanar to the benzothiazole moieties. The phenyl groups are appreciably angled to the central…
View article: Crystal structure of 1-amino-3-(4-chlorophenyl)-2-cyano-3<i>H</i>-benzo[4,5]thiazolo[3,2-<i>a</i>]pyridine-4-carboxamide
Crystal structure of 1-amino-3-(4-chlorophenyl)-2-cyano-3<i>H</i>-benzo[4,5]thiazolo[3,2-<i>a</i>]pyridine-4-carboxamide Open
In the structure of the title compound, C 19 H 13 ClN 4 OS, the four atoms of the pyridinic ring that are not fused with the thiazole, including the sp 3 C atom, lie significantly outside the benzothiazole plane. A short intramolecular S..…
View article: Synergistic and potential antifungal properties of tailored, one pot multicomponent monoterpenes co-delivered with fluconazole encapsulated nanostructure lipid carrier
Synergistic and potential antifungal properties of tailored, one pot multicomponent monoterpenes co-delivered with fluconazole encapsulated nanostructure lipid carrier Open
Frequent and variant infections are caused by the virtue of opportunistic fungi pathogens. Candidiasis, aspergillosis, and mucormycosis are pathogenic microorganisms that give rise to vast fungal diseases that alternate between moderate to…
View article: Synthesis, anticancer evaluation, molecular docking and ADME study of novel pyrido[4ʹ,3ʹ:3,4]pyrazolo[1,5-a]pyrimidines as potential tropomyosin receptor kinase A (TrKA) inhibitors
Synthesis, anticancer evaluation, molecular docking and ADME study of novel pyrido[4ʹ,3ʹ:3,4]pyrazolo[1,5-a]pyrimidines as potential tropomyosin receptor kinase A (TrKA) inhibitors Open
The starting compound 3-amino-1,7-dihydro-4 H -pyrazolo[4,3- c ]pyridine-4,6(5 H )-dione (1) is reacted with each of diketone and β -ketoester, forming pyridopyrazolo[1,5- a ]pyrimidines 4a , b and 14a , b , respectively. The compounds 4 a…
View article: Crystal structure of 2,4-diamino-5-(4-hydroxy-3-methoxyphenyl)-8,8-dimethyl-6-oxo-6,7,8,9-tetrahydro-5<i>H</i>-chromeno[2,3-<i>b</i>]pyridine-3-carbonitrile–dimethylformamide–water (1/1/1)
Crystal structure of 2,4-diamino-5-(4-hydroxy-3-methoxyphenyl)-8,8-dimethyl-6-oxo-6,7,8,9-tetrahydro-5<i>H</i>-chromeno[2,3-<i>b</i>]pyridine-3-carbonitrile–dimethylformamide–water (1/1/1) Open
In the structure of the title compound, C 22 H 22 N 4 O 4 ·C 3 H 7 NO·H 2 O, the entire tricyclic system is approximately planar except for the carbon atom bearing the two methyl groups; the methoxyphenyl ring is approximately perpendicula…
View article: Crystal structure of 2-[(5-amino-1-tosyl-1<i>H</i>-pyrazol-3-yl)oxy]-1-(4-methoxyphenyl)ethan-1-one 1,4-dioxane monosolvate
Crystal structure of 2-[(5-amino-1-tosyl-1<i>H</i>-pyrazol-3-yl)oxy]-1-(4-methoxyphenyl)ethan-1-one 1,4-dioxane monosolvate Open
In the structure of the title compound, C 19 H 19 N 3 O 5 S·C 4 H 8 O 2 , the two independent dioxane molecules each display inversion symmetry. The pyrazole ring is approximately parallel to the aromatic ring of the oxy-ethanone group and…
View article: Synthesis and Biological Evaluation of Benzothiazolyl-pyridine Hybrids as New Antiviral Agents against H5N1 Bird Flu and SARS-COV-2 Viruses
Synthesis and Biological Evaluation of Benzothiazolyl-pyridine Hybrids as New Antiviral Agents against H5N1 Bird Flu and SARS-COV-2 Viruses Open
A novel series of benzothiazolyl-pyridine hybrids 8a-h and 14a-e were produced from the reaction of enamine derivative 4 with each of the arylcyanoacetamides 5a-h and cyanoacetohydrazides 9a-e. The new products were characterized by spectr…
View article: Novel Class of Fluorinated Pyrazolo[1,5‐ <i>a</i> ]pyrimidines as CDK5 and Bcl2 Inhibitors: Design, Synthesis, Biological Evaluation, Molecular Docking and ADME Studies
Novel Class of Fluorinated Pyrazolo[1,5‐ <i>a</i> ]pyrimidines as CDK5 and Bcl2 Inhibitors: Design, Synthesis, Biological Evaluation, Molecular Docking and ADME Studies Open
New pyrazolo[1,5‐ a ]pyrimidines were designed and synthesized based on the structural analysis of known CDK5 inhibitors. Biological evaluations showed that the IC 50 of the most potent compounds 3 c and 5 b targeting normal WI38 (human lu…
View article: CCDC 2111897: Experimental Crystal Structure Determination
CCDC 2111897: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: CCDC 1544355: Experimental Crystal Structure Determination
CCDC 1544355: Experimental Crystal Structure Determination Open
An entry from the Cambridge Structural Database, the world’s repository for small molecule crystal structures. The entry contains experimental data from a crystal diffraction study. The deposited dataset for this entry is freely available …
View article: Novel Thiopyrano[2,3-<i>d</i>]thiazole-pyrazole Hybrids as Potential Nonsulfonamide Human Carbonic Anhydrase IX and XII Inhibitors: Design, Synthesis, and Biochemical Studies
Novel Thiopyrano[2,3-<i>d</i>]thiazole-pyrazole Hybrids as Potential Nonsulfonamide Human Carbonic Anhydrase IX and XII Inhibitors: Design, Synthesis, and Biochemical Studies Open
In recent years, molecular hybridization strategies have developed into a potent strategy for drug discovery. A series of novel thiopyrano[2,3-d]thiazoles linked to the pyrazole moiety was designed and developed as anticancer agents by a m…
View article: Synthesis and molecular docking study of new thiazolidinones incorporating a benzoate moiety as anti-HepG2 cancer agents, EGFR inhibitors and apoptosis inducers
Synthesis and molecular docking study of new thiazolidinones incorporating a benzoate moiety as anti-HepG2 cancer agents, EGFR inhibitors and apoptosis inducers Open
Synthesis of new anticancer candidates with protein kinases inhibitory potency is a major goal of pharmaceutical science and synthetic research. This current work represents the synthesis of a series of substituted thiazolidinones incorpor…
View article: Crystal structure of 2-{[5-amino-1-(phenylsulfonyl)-1<i>H</i>-pyrazol-3-yl]oxy}-1-(4-methylphenyl)ethan-1-one
Crystal structure of 2-{[5-amino-1-(phenylsulfonyl)-1<i>H</i>-pyrazol-3-yl]oxy}-1-(4-methylphenyl)ethan-1-one Open
In the title compound, C 18 H 17 N 3 O 4 S, the pyrazole ring is planar, with the sulfur atom lying 0.558 (1) Å out of the ring plane. The NH 2 group is involved in an intramolecular hydrogen bond to a sulfonyl oxygen atom; its other hydro…
View article: Green synthesis: Antimicrobial activity of novel benzothiazole-bearing coumarin derivatives and their fluorescence properties
Green synthesis: Antimicrobial activity of novel benzothiazole-bearing coumarin derivatives and their fluorescence properties Open
A new benzothiazole derivatives 4a-f were prepared by the reaction of 2-cyanomethylbenzothiazole 1 with 2-hydroxy-5-(aryldiazenyl)benzaldehyde derivatives 2a-f under thermal method in ethanol containing few drops of triethylamine.The previ…
View article: Crystal structure of ethyl 2-(3-amino-5-oxo-2-tosyl-2,5-dihydro-1<i>H</i>-pyrazol-1-yl)acetate
Crystal structure of ethyl 2-(3-amino-5-oxo-2-tosyl-2,5-dihydro-1<i>H</i>-pyrazol-1-yl)acetate Open
In the title compound, C 14 H 17 N 3 O 5 S, the five-membered ring is essentially planar. The substituents at the nitrogen atoms subtend a C—N—N—S torsion angle of −95.52 (6)°. The amino group forms an intramolecular hydrogen bond to a sul…
View article: Crystal structure of ethyl 2-(5-amino-1-benzenesulfonyl-3-oxo-2,3-dihydro-1<i>H</i>-pyrazol-2-yl)acetate
Crystal structure of ethyl 2-(5-amino-1-benzenesulfonyl-3-oxo-2,3-dihydro-1<i>H</i>-pyrazol-2-yl)acetate Open
In the title compound, C 13 H 15 N 3 O 5 S, the two rings face each other in a `V′ form at the S atom, with one N—H...O=S and one C—H...O=S contact from the pyrazolyl substituents to the sulfonyl group. Two classical hydrogen bonds from th…
View article: <p>Grafting of multiwalled carbon nanotubes with pyrazole derivatives: characterization, antimicrobial activity and molecular docking study</p>
Grafting of multiwalled carbon nanotubes with pyrazole derivatives: characterization, antimicrobial activity and molecular docking study Open
The surface of the carboxylated MWCNTs was successfully grafted with some pyrazole derivatives. The antibacterial activity was investigated for the newly synthesized compounds and indicated that the grafted MWCNTs have good antibacterial a…
View article: Green synthesis of some new thiopyrano[2,3-<i>d</i>][1,3]thiazoles using lemon juice and their antibacterial activity
Green synthesis of some new thiopyrano[2,3-<i>d</i>][1,3]thiazoles using lemon juice and their antibacterial activity Open
A simple green method has been developed for the synthesis of a series of new 3-phenyl-6-(substituted)-thiopyrano[2,3-d]thiazole-2,5,7(6H)-triones, 6-cyano-2-oxo-3-phenyl-thiopyrano[2,3-d]thiazoles, 3-phenyl-3,5,5a,11b-tetrahydro-2H,6H-chr…