Search Results - "Mekheimer, Ramadan Ahmed" :: K.UTB vyhledávací portál | TBU Library Retrieval Portal

Visible-light-assisted base-catalyzed, one-pot synthesis of highly functionalized cinnolines

Visible-light-assisted base-catalyzed, one-pot synthesis of highly functionalized cinnolines

by Elkamhawy, Ahmed, Jaragh-Alhadad, Laila, Mekheimer, Ramadan Ahmed, Abdullah, Omeima, Abd-Elmonem, Mohamed, Moustafa, Moustafa Sherief, Abdel-Hameed, Afaf, Mohamed, Tahany Mahmoud, Sadek, Kamal Usef
Published in Green processing and synthesis (03.11.2023)

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Microwave-assisted reactions: Efficient and versatile one-step synthesis of 8-substituted xanthines and substituted pyrimidopteridine-2,4,6,8-tetraones under controlled microwave heating

Microwave-assisted reactions: Efficient and versatile one-step synthesis of 8-substituted xanthines and substituted pyrimidopteridine-2,4,6,8-tetraones under controlled microwave heating

by Mekheimer, Ramadan Ahmed, Hayallah, Alaa M., Moustafa, Moustafa Sherief, Al-Mousawi, Saleh Mohammed, Abd-Elmonem, Mohamed, Mostafa, Sara M., Abo Elsoud, Fatma A., Sadek, Kamal Usef
Published in Green processing and synthesis (01.01.2021)

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

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

by Hassan Nazmy, Maiiada, Ahmed Mekheimer, Ramadan, Shoman, Mai E., Abo-Elsebaa, Mohamed, Abd-Elmonem, Mohamed, Usef Sadek, Kamal
Published in Bioorganic chemistry (01.05.2022)

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A reflection on the life of Mohamed H. Elnagdi (1941–2021)

A reflection on the life of Mohamed H. Elnagdi (1941–2021)

by Mekheimer, Ramadan Ahmed, Abd-Elmonem, Mohamed, Moustafa, Moustafa Sherief, Sadek, Kamal Usef
Published in Phosphorus, sulfur, and silicon and the related elements (03.06.2021)

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A Novel Synthesis of Highly Functionalized Pyridines by a One-Pot, Three-Component Tandem Reaction of Aldehydes, Malononitrile and N-Alkyl-2-cyanoacetamides under Microwave Irradiation

A Novel Synthesis of Highly Functionalized Pyridines by a One-Pot, Three-Component Tandem Reaction of Aldehydes, Malononitrile and N-Alkyl-2-cyanoacetamides under Microwave Irradiation

by Mekheimer, Ramadan Ahmed, Al-Sheikh, Mariam Abdullah, Medrasi, Hanadi Yousef, Alsofyani, Najla Hosain Hassan
Published in Molecules (Basel, Switzerland) (09.03.2018)

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Aroyl and acyl cyanides as orthogonal protecting groups or as building blocks for the synthesis of heterocycles

Aroyl and acyl cyanides as orthogonal protecting groups or as building blocks for the synthesis of heterocycles

by Sadek, Kamal Usef, Mekheimer, Ramadan Ahmed, Abd-Elmonem, Mohamed, Elnagdi, Mohamed Hilmy
Published in Molecular diversity (01.11.2019)

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Recent developments in the utility of Zn(L‐proline)2 as benign and recyclable metallo‐organocatalyst in organic synthesis

Recent developments in the utility of Zn(L‐proline)2 as benign and recyclable metallo‐organocatalyst in organic synthesis

by Sadek, Kamal Usef, Mekheimer, Ramadan Ahmed, Abd‐Elmonem, Mohamed, Elnagdi, Mohamed Hilmy
Published in Applied organometallic chemistry (01.02.2020)

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Microwave-assisted efficient one-pot synthesis of N 2 -(tetrazol-5-yl)-6-aryl/heteroaryl-5,6-dihydro-1,3,5-triazine-2,4-diamines

Microwave-assisted efficient one-pot synthesis of N 2 -(tetrazol-5-yl)-6-aryl/heteroaryl-5,6-dihydro-1,3,5-triazine-2,4-diamines

by Moustafa, Moustafa Sherief, Mekheimer, Ramadan Ahmed, Al-Mousawi, Saleh Mohammed, Abd-Elmonem, Mohamed, El-Zorba, Hesham, Hameed, Afaf Mohamed Abdel, Mohamed, Tahany Mahmoud, Sadek, Kamal Usef
Published in Beilstein journal of organic chemistry (2020)

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Green and highly efficient synthesis of 2-arylbenzothiazoles using glycerol without catalyst at ambient temperature

Green and highly efficient synthesis of 2-arylbenzothiazoles using glycerol without catalyst at ambient temperature

by Sadek, Kamal Usef, Mekheimer, Ramadan Ahmed, Hameed, Afaf Mohamed Abdel, Elnahas, Fatma, Elnagdi, Mohamed Hilmy
Published in Molecules (Basel, Switzerland) (18.05.2012)

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Cerium (IV) ammonium nitrate (CAN) catalyzed one-pot synthesis of 2-arylbenzothiazoles

Cerium (IV) ammonium nitrate (CAN) catalyzed one-pot synthesis of 2-arylbenzothiazoles

by Al-Qalaf, Fawzia, Mekheimer, Ramadan Ahmed, Sadek, Kamal Usef
Published in Molecules (Basel, Switzerland) (24.11.2008)

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Microwave-assisted efficient one-pot synthesis of N2-(tetrazol-5-yl)-6-aryl/heteroaryl-5,6-dihydro-1,3,5-triazine-2,4-diamines

Microwave-assisted efficient one-pot synthesis of N2-(tetrazol-5-yl)-6-aryl/heteroaryl-5,6-dihydro-1,3,5-triazine-2,4-diamines

by Moustafa, Moustafa Sherief, Mekheimer, Ramadan Ahmed, Al-Mousawi, Saleh Mohammed, Abd-Elmonem, Mohamed, El-Zorba, Hesham, Hameed, Afaf Mohamed Abdel, Mohamed, Tahany Mahmoud, Sadek, Kamal Usef
Published in Beilstein journal of organic chemistry (16.07.2020)

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Synthesis and spectroscopic properties of new azo dyes derived from 3-ethylthio-5-cyanomethyl-4-phenyl-1,2,4-triazole

Synthesis and spectroscopic properties of new azo dyes derived from 3-ethylthio-5-cyanomethyl-4-phenyl-1,2,4-triazole

by Al-Sheikh, Mariam, Medrasi, Hanadi Y, Sadek, Kamal Usef, Mekheimer, Ramadan Ahmed
Published in Molecules (Basel, Switzerland) (07.03.2014)

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

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

by Sadek, Kamal Usef, Mekheimer, Ramadan Ahmed, Mohamed, Tahany Mahmoud, Moustafa, Moustafa Sherief, Elnagdi, Mohamed Hilmy
Published in Beilstein journal of organic chemistry (04.01.2012)

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An efficient multicomponent, one-pot synthesis of Betti bases catalyzed by cerium (IV) ammonium nitrate (CAN) at ambient temperature

An efficient multicomponent, one-pot synthesis of Betti bases catalyzed by cerium (IV) ammonium nitrate (CAN) at ambient temperature

by Mekheimer, Ramadan Ahmed, Asiri, Abdullah Mohamed, Abdel Hameed, Afaf Mohamed, Awed, Reham R., Sadek, Kamal Usef
Published in Green processing and synthesis (01.08.2016)

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Naphthyridines. Part 3: First example of the polyfunctionally substituted 1,2,4-triazolo[1,5- g][1,6]naphthyridines ring system

Naphthyridines. Part 3: First example of the polyfunctionally substituted 1,2,4-triazolo[1,5- g][1,6]naphthyridines ring system

by Mekheimer, Ramadan Ahmed, Ibrahim, Yusria Rizk, Ahmed, Eltaib Ali, Frey, Wolfgang
Published in Tetrahedron (21.11.2009)

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Synthesis of Functionalized 4H-Pyrano[3,2-c]pyridines from 4-Hydroxy-6-methyl-2-pyridone and Their Reactions. Unexpected New Routes to 3,3′-Benzylidenebis[4-hydroxy-6-methyl-2(1H)-3-pyridinone]s

Synthesis of Functionalized 4H-Pyrano[3,2-c]pyridines from 4-Hydroxy-6-methyl-2-pyridone and Their Reactions. Unexpected New Routes to 3,3′-Benzylidenebis[4-hydroxy-6-methyl-2(1H)-3-pyridinone]s

by Mekheimer, Ramadan Ahmed, Mohamed, Nabil Helmi, Sadek, Kamal Usef
Published in Bulletin of the Chemical Society of Japan (01.07.1997)

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Solar thermochemical reactions Ⅱ: Synthesis of 2-aminothiophenes via Gewald reaction induced by solar thermal energy

Solar thermochemical reactions Ⅱ: Synthesis of 2-aminothiophenes via Gewald reaction induced by solar thermal energy

by Ramadan Ahmed Mekheimer, Mohamed Abdallah Ameen, Kamal Usef Sadek
Published in 中国化学快报（英文版） (01.07.2008)

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Garlic Clove Catalyzed Biginelli Reaction in Water at Ambient Temperature

Garlic Clove Catalyzed Biginelli Reaction in Water at Ambient Temperature

by ABD-ELNABI, Hishame, AFAF MOHAMED ABDEL HAMEED, RAMADAN AHMED MEKHEIMER, AWED, Reham R, KAMAL USEF SADEK
Published in Green and sustainable chemistry (2013)

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Novel 1,2,4-Triazolo[1,5-a]pyridines and Their Fused Ring Systems Attenuate Oxidative Stress and Prolong Lifespan of Caenorhabiditis elegans

Novel 1,2,4-Triazolo[1,5-a]pyridines and Their Fused Ring Systems Attenuate Oxidative Stress and Prolong Lifespan of Caenorhabiditis elegans

by Mekheimer, Ramadan Ahmed, Sayed, Ahmed Amir Radwan, Ahmed, Eltaib Ali
Published in Journal of medicinal chemistry (10.05.2012)

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Recent developments in the enantioselective synthesis of polyfunctionalized pyran and chromene derivatives

Recent developments in the enantioselective synthesis of polyfunctionalized pyran and chromene derivatives

by Sadek, Kamal Usef, Mekheimer, Ramadan Ahmed H., Abd-Elmonem, Mohamed, Abdel-Hameed, Afaf, Elnagdi, Mohamed Hilmy
Published in Tetrahedron: asymmetry (15.11.2017)

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