Search Results - "Ramadan, Sayed K."

One-pot synthesis, computational chemical study, molecular docking, biological study, and in silico prediction ADME/pharmacokinetics properties of 5-substituted 1H-tetrazole derivatives by El-Sewedy, Ahmed, El-Bordany, Eman A., Mahmoud, Naglaa F. H., Ali, Kholoud A., Ramadan, Sayed K.

“…An efficient synthesis of 5-substituted 1 H -tetrazoles was successfully achieved through one-pot multi-component condensation reactions of some aromatic…”
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Photosensitization of TiO2 microspheres by novel Quinazoline-derivative as visible-light-harvesting antenna for enhanced Rhodamine B photodegradation by Hamza, Mahmoud Adel, Rizk, Sameh A., Ezz-Elregal, Ezz-Elregal M., El-Rahman, Shaimaa A. Abd, Ramadan, Sayed K., Abou‑Gamra, Zeinab M.

“…Water pollution is one of the global threats severely affecting our planet and human health. Organic textile dyes are one of the common organic water…”
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Synthesis and in silico studies of certain benzo[f]quinoline-based heterocycles as antitumor agents by El-Helw, Eman A. E., Asran, Mahmoud, Azab, Mohammad E., Helal, Maher H., Alzahrani, Abdullah Y. A., Ramadan, Sayed K.

“…A series of benzoquinoline-employing heterocycles was synthesized by treating 3-chlorobenzo[ f ]quinoline-2-carbaldehyde with N -phenyl-3-methylpyrazolone,…”
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Cytotoxic and antimicrobial activities of some novel heterocycles employing 6-(1,3-diphenyl-1 H -pyrazol-4-yl)-4-oxo-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile by Ramadan, Sayed K, El-Helw, Eman A E, Sallam, Hanan A

“…A pyrimidinethione derivative namely, 6-(1,3-diphenyl-1 H -pyrazol-4-yl)-4-oxo-2-thioxo-1,2,3,4-tetrahydropyrimidine-5-carbonitrile, was readily synthesized…”
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Efficient synthesis of some pyrimidine and thiazolidine derivatives bearing quinoline scaffold under microwave irradiation by El-Naggar, Abeer M., Ramadan, Sayed K.

“…An efficient and facile approach for the synthesis of new quinoline derivatives was accomplished via reactions of 2-chloroquinoline-3-carbaldehyde with active…”
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Synthesis, Spectral Characterization, Cytotoxic, and Antimicrobial Activities of Some Novel Heterocycles Utilizing 1,3‐Diphenylpyrazole‐4‐carboxaldehyde Thiosemicarbazone by Ramadan, Sayed K., Sallam, Hanan A.

“…A new series of heterocycles was synthesized via the reaction of readily obtainable 1,3‐diphenylpyrazole‐4‐carboxaldehyde thiosemicarbazone with many carbon…”
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Facile and expedient synthesis and anti-proliferative activity of diversely pyrrolones bearing 1,3-diphenylpyrazole moiety by Ramadan, Sayed K., Shaban, Safaa S., Hashem, Ahmed I.

“…A series of some pyrrolone derivatives were synthesized from the acid hydrazide, derived from a pyrazolyl-2(3H)-furanone, through treating with some carbonyl…”
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Design, synthesis and in silico studies of new quinazolinone derivatives as antitumor PARP-1 inhibitors by Ramadan, Sayed K, Elrazaz, Eman Z, Abouzid, Khaled A M, El-Naggar, Abeer M

“…Herein, we report an eco-friendly synthesis of a new series of quinazolinone-based derivatives as potential PARP-1 inhibitors. The 4-quinazolinone scaffold was…”
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Synthesis and antioxidant evaluation of some heterocyclic candidates from 3-(1,3-diphenyl-1H-pyrazol-4-yl)-2-(4-oxo-4H-benzo[d][1,3]oxazin-2-yl)propenonitrile by Ramadan, Sayed K., El-Ziaty, Ahmed K., El-Helw, Eman A. E.

“…A new series of quinazoline derivatives bearing a 1,3-diphenylpyrazole core was synthesized starting from…”
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Synthesis, antiproliferative activity, and molecular docking of some N‐heterocycles bearing a pyrazole scaffold against liver and breast tumors by Ramadan, Sayed K., El‐Ziaty, Ahmed K., Ali, Rania S.

“…A new series of some 1,3‐diphenylpyrazole‐based heterocycles were constructed from 2‐cyano‐3‐(1,3‐diphenyl‐1H‐pyrazol‐4‐yl)propenoyl chloride (1). The titled…”
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Synthesis and anti H5N1 activities of some novel fused heterocycles bearing pyrazolyl moiety by Ramadan, Sayed K., Abou-Elmagd, Wael S. I.

“…Ring transformation of the acid hydrazide, derived from 2(3H)-furanone, into triazolopyridazine, triazolothiadiazole, and triazolothiadiazine derivatives, was…”
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Synthesis, antiproliferative activity, and in silico studies of quinoline-based pyrimidinedione and thiazolidinedione derivatives by Alzahrani, Abdullah Y. A., El-Helw, Eman A. E., Ramadan, Sayed K.

“…Cancer affects millions of people worldwide. PDK1 enzyme (co-crystallized with BIM-1) controls the proliferation of breast cancer cells. Aiming to resemble…”
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Synthesis, density functional theory, and cytotoxic activity of some heterocyclic systems derived from 3-(3-(1,3-diphenyl-1H-pyrazol-4-yl)acryloyl)-2H-chromen-2-one by Ramadan, Sayed K., Rizk, Sameh A.

“…The behavior and reactivity of a coumarin-based chalcone bearing a pyrazole core 3 toward malononitrile, hydrazine, thiourea, hydrazinecarbothioamide,…”
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Straightforward synthesis, antiproliferative screening, and density functional theory study of some pyrazolylpyrimidine derivatives by Halim, Karema N. M., Rizk, Sameh A., El‐Hashash, Maher A., Ramadan, Sayed K.

“…Tetrahydropyrimidinone derivative was synthesized through one‐pot three components condensation of 1,3‐diphenylpyrazole‐4‐carbaldehyde with pentan‐2,4‐dione…”
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Synthesis, characterization, computational chemical studies and antiproliferative activity of some heterocyclic systems derived from 3-(3-(1,3-diphenyl-1H-pyrazol-4-yl)acryloyl)-2H-chromen-2-one by Kaddah, Mohamed M, Fahmi, Abdelgawad A., Kamel, Mustafa M., Ramadan, Sayed K., Rizk, Sameh A.

“…The key material, 3-(3-(1,3-diphenyl-1H-pyrazol-4-yl)acryloyl)-2H-chromen-2-one (3) was synthesized and its behavior toward malononitrile, hydrazine, thiourea,…”
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Synthesis and antiviral activity of some pyrrolonyl substituted heterocycles as additives to enhance inactivated Newcastle disease vaccine by Morsy, Alaa R. I., Ramadan, Sayed K., Elsafty, Mounir M.

“…This research reported the design and synthesis of some influential new pyrrolone derivatives bearing a pyrazole scaffold with the evaluation of their…”
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Synthesis, SAR studies, and insecticidal activities of certain N-heterocycles derived from 3-((2-chloroquinolin-3-yl)methylene)-5-phenylfuran-2(3 H )-one against Culex pipiens L. larvae by Ramadan, Sayed K, Abdel Haleem, Doaa R, Abd-Rabboh, Hisham S M, Gad, Nourhan M, Abou-Elmagd, Wael S I, Haneen, David S A

“…An acid hydrazide derivative was synthesized and transformed into a variety of valuable N-heterocycles such as pyridazinone, oxadiazole, triazolopyridazinone,…”
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Synthesis, computational chemical study, antiproliferative activity screening, and molecular docking of some thiophene-based oxadiazole, triazole, and thiazolidinone derivatives by Elgubbi, Amna S, El-Helw, Eman A. E, Alzahrani, Abdullah Y. A, Ramadan, Sayed K

“…Thiophene-2-carbohydrazide was used in this study to produce some thiophene-containing oxadiazole, triazole, and thiazolidinone derivatives through reactions…”
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Synthesis and antimicrobial activity of thiophene-based heterocycles derived from thiophene-2-carbohydrazide by El-Helw, Eman Ae, Alzahrani, Abdullah Ya, Ramadan, Sayed K

“…Thiophene-based heterocycles were synthesized and evaluated for their antimicrobial activity against methicillin-resistant and strains. Antimicrobial activity…”
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Synthesis, DFT study, molecular docking and insecticidal evaluation of some pyrazole-based tetrahydropyrimidine derivatives by Halim, Karema N. M., Ramadan, Sayed K., Rizk, Sameh A., El-Hashash, Maher A.

“…The building block synthon, 1-(4-(1,3-diphenyl-1H-pyrazol-4-yl)-6-methyl-2-thioxo-1,2,3,4-tetrahydropyrimidin-5-yl)ethan-1-one was efficiently synthesized by…”
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