Browsing by Author Metwally El-Shaaer, Hafez


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Issue DateTitleAuthor(s)
1-Jan-1996CHEMICAL REACTIVITY AND NUCLEOPHILIC RING CLOSURE REACTIONS OF 3-FORMYLCHROMONEH. M. El-Shaaer 
2012Cyclocondensation, antimicrobial activity and semi-empirical AM1-MO calculations of benzopyrone derivativesH. M. El-Shaaer 
2012An efficient cyclocondensation reactions, antimicrobial activity and molecular orbital calculations of α-benzopyrone derivativesH. M. El-Shaaer ; Ibrahim, Salah Sayed; Abd-Elmonem, Wafaa Ramzy; Ibrahim, Christine Gamal
1998Evaluation of effect of microwave irradiation on syntheses and reactions of some new 3-acyl-methylchromonesLacova, M; Metwally El-Shaaer, Hafez ; Loos, D; Matulova, M; Chovancova, J; Furdik, M
2010A facile route to phenyl, phenylsulfanyl and phenylselanyl substituted pyrano[3,2-c]chromenesLacova, M; Gasparova, R; Kois, P; Bohac, A; Metwally El-Shaaer, Hafez 
2005A Facile Route to Phenylselanyl Substituted Pyrano[3,2-c]chromenesKois, Pavol; Metwally El-Shaaer, Hafez ; Lacova, Margita
1-Jan-1996FUSED CYANOPYRIMIDINES : PART II SYNTHESIS AND REACTIONS OF FUSED CYANOPYRIMIDINE DERIVATIVES AS AFFECTING BENZYMATIC AGENTSH. M. El-Shaaer ; S. A. Abdel-Aziz; H. A. Allimony; U. F. Ali; R. M. Abdel-Rahman
1-Jan-1993INFRARED SPECTRA AND THEORETICCAL STUDY OF METHYL, FORMYL AND ACETYL DERIVATIVES OF CHROMONESH. M. El-Shaaer ; , A. Perjessy; P. Zahradnik; M. Lacova; Z. Sustekova
31-Aug-2000The photochemical behaviour of 6-X-4H-3(bicyclo[2.2.1]-5-heptene-2,3-dicarboximidoiminomethyl)-4-chromones. Photochromism and thermochromismGáplovský, Anton; Donovalová, Jana; Lacová, Margita; Mračnová, Renáta; H. M. El-Shaaer 
2019REACTION OF 2-IMINO-2H-CHROMENE-3-CARBOXAMIDE WITH PHOSPHORUS HALIDES: SYNTHESIS OF SOME NOVEL CHROMENO[2,3-d][1,3,2]DIAZAPHOSPHININES AND CHROMENO[4,3-c][1,2]-AZAPHOSPHOLE AND THEIR ANTIOXIDANT AND CYTOTOXICITY PROPERTIESAli, TE; Assiri, MA; Metwally El-Shaaer, Hafez ; Fouda, AM; Hassan, MM; Hassanin, NM
2018Reaction of 2-imino-2H-chromene-3-carboxamide with phosphorus sulfides: Synthesis of novel 2-sulfido-2,3-dihydro-4H-chromeno[2,3-d][1,3,2]diaza-phosphininesHassanin, NM; Ali, TE; Metwally El-Shaaer, Hafez ; Hassan, MM
2019Reaction of 2-imino-2H-chromene-3-carboxamide with some phosphorus esters: Synthesis of some novel chromenes containing phosphorus heterocycles and phosphonate groups and their antioxidant and cytotoxicity propertiesAli, TE; Assiri, MA; Metwally El-Shaaer, Hafez ; Hassan, MM; Fouda, AM; Hassanin, NM
1-Jan-1993REACTIONS OF METHYL DERIVATIVES OF 2-PENTEN-5-OLIDE, 2-BUTEN-4-OLIDE, AND COUMARIN WITH DICARBOXYLIC ANHYDRIDES AND WITH 3-FORMYLCHROMONES UNDER THE PERKIN SYNTHESIS CONDITIONSG. S. MELIKYAN; M. LÁCOVÁ; K. KRÁLOVÁ,; H. M. El-Shaaer ; M. HENSELOVÁ; A. A. AVETISYAN
1-Jan-1995SOME NEW 4-OXO-4H-1-BENZOPYRAN DERIVATIVESH. M. El-Shaaer ; S. S. Ibrahim; A. M. Abdel-Halim
1-Jan-1994STUDY OF SUBSTITUTED FORMYLCHROMONESH. M. El-Shaaer ; Pavol Zahradnik; Margita Lacova; Maria Matulova
2014Study of the Reactivity of 6,8-Dimethyl-4-oxo-4H-1-benzopyran-3-carboxaldehyde Towards Amino-6-oxopyridine-3-carboxylate DerivativesMetwally El-Shaaer, Hafez ; Abd-Elmonem, WR; Ibrahim, SS; Ibrahim, CG
1-Jan-1997SYNTHESIS AND ANTIMICROBIAL ACTIVITIES OF SOME NEW 2-SUBSTITUTED BENZOXAZOLE/BENZOTHIAZOLE DERIVATIVESH. M. El-Shaaer ; S. A. Abdel-Aziz; H. A. Allimony; U. F. Ali; R. M. Abdel-Rahman
1-Jan-2021Synthesis and biological activities of some new phosphorus compounds containing pyranopyrazole moietyAli, Tarik E.; Assiri, Mohammed A.; H. M. El-Shaaer ; Abed-Kariem, Somaia M.; Abdel-Monem, Wafaa R.; EL-Edfawy, Somaya M.; Hassanin, Noha M.; Shati, Ali A.; Alfaifi, Mohammad Y.; Elbehairi, Serag Eldin I.
2021Synthesis and in vitro antimicrobial, antioxidant, and antiproliferative activities of some new pyrano[2,3-c]pyrazoles containing 1,2-azaphospholes, 1,3,2-diazaphosphinines and phosphonate moietiesAli, TE; Assiri, MA; Metwally El-Shaaer, Hafez ; Abdel-Monem, WR; El-Edfawy, SM; Hassanin, NM; Shati, AA; Alfaifi, MY; Elbehairi, SEI; Abdel-Kariem, S. M. 
1-Jan-1998Synthesis and reactions of new 4-oxo-4H-benzopyran-3-carboxaldehydes containing hydroxy groups or 2-oxopyran cyclesLacova, Margita; Loos, Dusan; Furdik, Mikulas; Matulova, Maria; H. M. El-Shaaer 
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