يعرض 1 - 20 نتائج من 163 نتيجة بحث عن '"Kamal Usef Sadek"', وقت الاستعلام: 0.54s تنقيح النتائج
  1. 1
    Academic Journal
    Microwave-assisted efficient one-pot synthesis of N2-(tetrazol-5-yl)-6-aryl/heteroaryl-5,6-dihydro-1,3,5-triazine-2,4-diamines

    المؤلفون: Moustafa Sherief Moustafa, Ramadan Ahmed Mekheimer, Saleh Mohammed Al-Mousawi, Mohamed Abd-Elmonem, Hesham El-Zorba, Afaf Mohamed Abdel Hameed, Tahany Mahmoud Mohamed, Kamal Usef Sadek

    المصدر: Beilstein Journal of Organic Chemistry, Vol 16, Iss 1, Pp 1706-1712 (2020)

    مصطلحات موضوعية: microwave irradiation, n2-(tetrazol-5-yl)-6-aryl/heteroaryl-1,3,5-triazine-2,4-diamines, one-pot synthesis, x-ray crystallography, Science, Organic chemistry, QD241-441

    وصف الملف: electronic resource

    Relation: https://doaj.org/toc/1860-5397

    URL الوصول: https://doaj.org/article/368f36d416e94f3d90659205a2ff3b85

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  2. 2
    Academic Journal
    Synthesis and Spectroscopic Properties of New Azo Dyes Derived from 3-Ethylthio-5-cyanomethyl-4-phenyl-1,2,4-triazole

    المؤلفون: Mariam Al-Sheikh, Hanadi Y. Medrasi, Kamal Usef Sadek, Ramadan Ahmed Mekheimer

    المصدر: Molecules, Vol 19, Iss 3, Pp 2993-3003 (2014)

    مصطلحات موضوعية: synthesis, azo-hydrazone tautomerism, coupling reaction, diazotization, Organic chemistry, QD241-441

    وصف الملف: electronic resource

    Relation: http://www.mdpi.com/1420-3049/19/3/2993; https://doaj.org/toc/1420-3049

    URL الوصول: https://doaj.org/article/ec785f092e624ee39bcd87dde5f99696

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  3. 3
    Academic Journal
    Green and Highly Efficient Synthesis of 2-Arylbenzothiazoles Using Glycerol without Catalyst at Ambient Temperature

    المؤلفون: Mohamed Hilmy Elnagdi, Fatma Elnahas, Ramadan Ahmed Mekheimer, Afaf Mohamed Abdel Hameed, Kamal Usef Sadek

    المصدر: Molecules, Vol 17, Iss 5, Pp 6011-6019 (2012)

    مصطلحات موضوعية: synthesis, 2-arylbenzothiazoles, glycerol, 2-aminothiophenols, Organic chemistry, QD241-441

    وصف الملف: electronic resource

    Relation: http://www.mdpi.com/1420-3049/17/5/6011; https://doaj.org/toc/1420-3049

    URL الوصول: https://doaj.org/article/76b3d79a95b74441840423f4b88175d2

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  4. 4
    Academic Journal
    Regioselectivity in the multicomponent reaction of 5-aminopyrazoles, cyclic 1,3-diketones and dimethylformamide dimethylacetal under controlled microwave heating

    المؤلفون: Kamal Usef Sadek, Ramadan Ahmed Mekheimer, Tahany Mahmoud Mohamed, Moustafa Sherief Moustafa, Mohamed Hilmy Elnagdi

    المصدر: Beilstein Journal of Organic Chemistry, Vol 8, Iss 1, Pp 18-24 (2012)

    مصطلحات موضوعية: aminopyrazoles, dimedone, DMFDMA, regioselectivity, Science, Organic chemistry, QD241-441

    وصف الملف: electronic resource

    Relation: https://doaj.org/toc/1860-5397

    URL الوصول: https://doaj.org/article/ad558acef5f14112903b9a232ea8ce55

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  5. 5
    Academic Journal
    Cerium (IV) Ammonium Nitrate (CAN) Catalyzed One-pot Synthesis of 2-Arylbenzothiazoles

    المؤلفون: Fawzia Al-Qalaf, Ramadan Ahmed Mekheimer, Kamal Usef Sadek

    المصدر: Molecules, Vol 13, Iss 11, Pp 2908-2914 (2008)

    مصطلحات موضوعية: One-pot synthesis, 2-Arylbenzothiazoles, CAN, Organic chemistry, QD241-441

    وصف الملف: electronic resource

    Relation: http://www.mdpi.com/1420-3049/13/11/2908/; https://doaj.org/toc/1420-3049

    URL الوصول: https://doaj.org/article/bbd2c083c7c044d5bc00c63f408bb2c6

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  6. 6
    Cerium (IV) ammonium nitrate (CAN) promoted reaction: A selective synthesis of 2-arylbenzimidazoles via reaction of o-phenylenediamine and arylidene malononitriles at ambient temperature

    المؤلفون: Laila A. Jaraph-Alhadad, Ahmed Moukhtar Nour-Eldin, Moustafa Sherif Moustafa, Afaf Abdel-Hameed, Michael Magdy, Kamal Usef Sadek

    المصدر: Arkivoc. 2023

    مصطلحات موضوعية: Organic Chemistry

    URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::ab4dd3918d625fd6fb7eb83d03a4585e
    https://doi.org/10.24820/ark.5550190.p011.963

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  7. 7
    Regioselectivity in the reaction of 5-amino-3-anilino-1H-pyrazole-4-carbonitrile with cinnamonitriles and enaminones: Synthesis of functionally substituted pyrazolo[1,5-a]pyrimidine derivatives

    المؤلفون: Moustafa Sherif Moustafa, Ahmed Moukhtar Nour-Eldeen, Saleh Mohamed Al-Mousawi, Afaf Abd El-Hameed, Michael Magdy, Kamal Usef Sadek

    المصدر: Green Processing and Synthesis. 11:116-128

    مصطلحات موضوعية: Fuel Technology, Renewable Energy, Sustainability and the Environment, Health, Toxicology and Mutagenesis, General Chemical Engineering, Environmental Chemistry, Industrial and Manufacturing Engineering

    URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::333062c6ac5179c786e57d247e4a17b0
    https://doi.org/10.1515/gps-2022-0009

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  8. 8
    Recent developments in the synthesis of hybrid heterocycles, a promising approach to develop multi-target antibacterial agents

    المؤلفون: Kamal Usef Sadek, Ramadan Ahmed Mekheimer, Mohamed Abd-Elmonem, Fatma A. Abo-Elsoud, Alaa M. Hayallah, Sara M. Mostafa, Magda H. Abdellattif, Mohammed A.S. Abourehab, Thoraya A. Farghaly, Ahmed Elkamhawy

    المصدر: Journal of Molecular Structure. 1286:135616

    مصطلحات موضوعية: Inorganic Chemistry, Organic Chemistry, Spectroscopy, Analytical Chemistry

    URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::775451b8203385a1b0663a0986fa5138
    https://doi.org/10.1016/j.molstruc.2023.135616

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  9. 9
    5 Recent developments in the green synthesis of biologically relevant cinnolines and phthalazines

    المؤلفون: Ramadan Ahmed Mekheimer, Mohamed Abd-Elmonem, Mohamed Abou Elsebaa, Maiiada Hassan Nazmy, Kamal Usef Sadek

    URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::da51539ed118be47e252a50687b609ec
    https://doi.org/10.1515/9783110797428-005

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  10. 10
    Recent developments in the green synthesis of biologically relevant cinnolines and phthalazines

    المؤلفون: Ramadan Ahmed Mekheimer, Mohamed Abd-Elmonem, Mohamed Abou Elsebaa, Maiiada Hassan Nazmy, Kamal Usef Sadek

    المصدر: Physical Sciences Reviews.

    مصطلحات موضوعية: General Physics and Astronomy, General Materials Science, General Chemistry

    URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::877402c490f6c9c39384c8a7738a3587
    https://doi.org/10.1515/psr-2021-0091

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  11. 11
    Recent Advances in the Utility of Glycerol as a Benign and Biodegradable Medium in Heterocyclic Synthesis

    المؤلفون: Kamal Usef Sadek, Fatma A. Abo Elsoud, Mohamed Abd-Elmonem, Ramadan Ahmed Mekheimer, Alaa M. Hayallah

    المصدر: Current Organic Chemistry. 23:3226-3246

    مصطلحات موضوعية: chemistry.chemical_compound, 010405 organic chemistry, Chemistry, Organic Chemistry, Glycerol, Organic chemistry, 010402 general chemistry, 01 natural sciences, 0104 chemical sciences

    URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::edb2b3b2c40e66ac2915d7e02c507965
    https://doi.org/10.2174/1385272823666191025150646

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  12. 12
    Advancements in the synthesis of fused tetracyclic quinoline derivatives

    المؤلفون: Kamal Usef Sadek, Mariam Abdullah Al-Sheikh, Hanadi Y. Medrasi, Ramadan Ahmed Mekheimer

    المصدر: RSC Advances. 10:19867-19935

    مصطلحات موضوعية: Antiparasitic, medicine.drug_class, Drug discovery, General Chemical Engineering, Quinoline, General Chemistry, Pfitzinger reaction, Combinatorial chemistry, Catalysis, chemistry.chemical_compound, chemistry, Cascade reaction, Wittig reaction, Ionic liquid, medicine

    URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d14837d65d652b30ee4ded0d80452f65
    https://doi.org/10.1039/d0ra02786c

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  13. 13
    Recent Developments in the Synthesis of Cinnoline Derivatives

    المؤلفون: Kamal Usef Sadek, Ramadan Ahmed Mekheimer, Mohamed Abd-Elmonem

    المصدر: Mini-Reviews in Organic Chemistry. 16:578-588

    مصطلحات موضوعية: chemistry.chemical_compound, chemistry, 010405 organic chemistry, Computational chemistry, Organic Chemistry, 010402 general chemistry, 01 natural sciences, Cinnoline, 0104 chemical sciences

    URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::7a745e674a0d483550593ac4727dd76a
    https://doi.org/10.2174/1570193x15666180712124148

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  14. 14
    Glycerol: A Promising Benign Solvent for Catalyst‐free One‐pot Multi‐component Synthesis of 1 H ‐Pyrozolo[1,2‐ b ]phthalazine‐5,10‐diones and 2 H ‐Indazolo[2,1‐ b ]phthalazine‐triones Under Controlled Microwaves Irradiation

    المؤلفون: Manal Makboul Ebied, Kamal Usef Sadek, Maghraby Ali Selim, Omnyia Said Zaky

    المصدر: Journal of Heterocyclic Chemistry. 56:2796-2803

    مصطلحات موضوعية: Solvent, chemistry.chemical_compound, Chemistry, Component (thermodynamics), Organic Chemistry, Glycerol, Organic chemistry, Irradiation, Phthalazine, Microwave, Catalysis

    URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::9a8429ba576aa0cb115a609c79e338a0
    https://doi.org/10.1002/jhet.3659

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  15. 15
    Chloroquinoline-3-carbonitriles: Synthesis and Reactions

    المؤلفون: Kamal Usef Sadek, Hanadi Y. Medrasi, Mariam Abdullah Al-Sheikh, Ramadan Ahmed Mekheimer, Ghayah A. Bahatheg

    المصدر: Current Organic Chemistry. 23:823-851

    مصطلحات موضوعية: 010405 organic chemistry, Chemistry, Organic Chemistry, Organic chemistry, 010402 general chemistry, 01 natural sciences, 0104 chemical sciences

    URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::bac73ecc4a38ec5606b3c60fed88583f
    https://doi.org/10.2174/1385272823666190516120946

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  16. 16
    Zn(L-proline)2: An efficient and reusable organocatalyst for the synthesis of polyfunctionally substituted pyrans and 2-amino-4-aryl-8-oxo-4,8-dihydropyrano[3,2-b]pyran derivatives

    المؤلفون: Mohamed Abo Elsebaa, Kamal Usef Sadek, Fatma A. Abo Elsoud, Mohamed Abd-Elmonem

    المصدر: European Journal of Chemistry. 10:166-170

    مصطلحات موضوعية: 010405 organic chemistry, Aryl, 010402 general chemistry, 01 natural sciences, 0104 chemical sciences, Catalysis, Lewis acid catalysis, chemistry.chemical_compound, chemistry, Pyran, Ethyl acetoacetate, Atom economy, Organic chemistry, Kojic acid, Malononitrile

    URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::dd8eab0de756efcef07a41efa25cf485
    https://doi.org/10.5155/eurjchem.10.2.166-170.1851

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  17. 17
    New s-Triazine/Tetrazole conjugates as potent antifungal and antibacterial agents: Design, molecular docking and mechanistic study

    المؤلفون: Ramadan Ahmed Mekheimer, Gamal El-Din A. Abuo-Rahma, Mohamed Abd-Elmonem, Ramadan Yahia, Mohamed Hisham, Alaa M. Hayallah, Sara M. Mostafa, Fatma A. Abo-Elsoud, Kamal Usef Sadek

    المصدر: Journal of Molecular Structure. 1267:133615

    مصطلحات موضوعية: Inorganic Chemistry, Organic Chemistry, Spectroscopy, Analytical Chemistry

    URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::7139d7abf497b134b2429aac0527f4ea
    https://doi.org/10.1016/j.molstruc.2022.133615

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  18. 18
    Controlled microwave-assisted reactions: A facile synthesis of polyfunctionally substituted phthalazines as dual EGFR and PI3K inhibitors in CNS SNB-75 cell line

    المؤلفون: Maiiada Hassan Nazmy, Ramadan Ahmed Mekheimer, Mai E. Shoman, Mohamed Abo-Elsebaa, Mohamed Abd-Elmonem, Kamal Usef Sadek

    المصدر: Bioorganic chemistry. 122

    مصطلحات موضوعية: Dose-Response Relationship, Drug, Molecular Structure, Organic Chemistry, Antineoplastic Agents, Biochemistry, ErbB Receptors, Phosphatidylinositol 3-Kinases, Structure-Activity Relationship, Cell Line, Tumor, Drug Discovery, Humans, Phthalazines, Drug Screening Assays, Antitumor, Microwaves, Molecular Biology, Protein Kinase Inhibitors, Cell Proliferation, Phosphoinositide-3 Kinase Inhibitors

    URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a81564286a2cef7d387df65cb26e3065
    https://pubmed.ncbi.nlm.nih.gov/35298961

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  19. 19
    Streamlined One‐Pot Synthesis of Nitro Fatty Acids

    المؤلفون: Kamal Usef Sadek, Thorsten J. Maier, Sara-Cathrin Krieg, Eman A. El Rady, Mohamed A. Raslan, Mohamed Hassan, Jessica Roos, Cedric Ndefo Nde, Georg Manolikakes

    المصدر: European journal of organic chemistry, 2021(15):2239-2252

    مصطلحات موضوعية: Medicinal chemistry, One-pot reaction, Nitro fatty acids, Nitroaldol reaction, Organische Synthese, Nitroolefin, Chemistry, One pot reaction, Organic Chemistry, One-pot synthesis, Nitro, Organic chemistry, Physical and Theoretical Chemistry

    URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::688813b0dfe0d0d741707d9fbf7b4a20
    https://repository.publisso.de/resource/frl:6431846

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  20. 20
    An efficient green synthesis of novel 1H-imidazo[1,2-a]imidazole-3-amine and imidazo[2,1-c][1,2,4]triazole-5-amine derivatives via Strecker reaction under controlled microwave heating

    المؤلفون: Yasser Meleigy, Kamal Usef Sadek, Hisham A. Abdelnabi, Afaf M. Abd-Elhameed

    المصدر: Green Processing and Synthesis, Vol 8, Iss 1, Pp 297-301 (2019)

    مصطلحات موضوعية: Health, Toxicology and Mutagenesis, General Chemical Engineering, Strecker amino acid synthesis, catalyst free, microwave heating, 010402 general chemistry, multi-component reaction, 01 natural sciences, Industrial and Manufacturing Engineering, imidazo[2,1-c][1,2,4]triazoles, chemistry.chemical_compound, Multi-component reaction, Environmental Chemistry, Imidazole, QD1-999, Amine derivatives, 010405 organic chemistry, Renewable Energy, Sustainability and the Environment, 1,2,4-Triazole, strecker reaction, Combinatorial chemistry, 0104 chemical sciences, Chemistry, Fuel Technology, chemistry, Microwave heating, Amine gas treating, imidazo [1,2-a]imidazoles

    URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::6cc379dc8cffc7736e02b3ea7269b2db
    https://doaj.org/article/e735fbb0158941179c0069f2f26d3a50

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