|
| Issue Date | Title | Author(s) |
| 1-Jan-1996 | CHEMICAL REACTIVITY AND NUCLEOPHILIC RING CLOSURE REACTIONS OF 3-FORMYLCHROMONE | H. M. El-Shaaer |
| 2012 | Cyclocondensation, antimicrobial activity and semi-empirical AM1-MO calculations of benzopyrone derivatives | H. M. El-Shaaer |
| 1-Oct-2023 | Effect of Pre-Treatments on the Qualities of Banana Dried by Two Different Drying Methods | Abd El-Wahhab, Gomaa G.; Sayed, Hassan A.A.; Mahmoud A. Abdelhamid ; Zaghlool, Ayman; Nasr, Ali; Nagib, Ashraf; Bourouah, Mohamed; Abd-ElGawad, Ahmed M.; Rashad, Younes M.; Metwally El-Shaaer, Hafez ; Taha, Ibrahim M. |
| 2012 | An efficient cyclocondensation reactions, antimicrobial activity and molecular orbital calculations of α-benzopyrone derivatives | H. M. El-Shaaer ; Ibrahim, Salah Sayed; Abd-Elmonem, Wafaa Ramzy; Ibrahim, Christine Gamal |
| 1998 | Evaluation of effect of microwave irradiation on syntheses and reactions of some new 3-acyl-methylchromones | Lacova, M; Metwally El-Shaaer, Hafez ; Loos, D; Matulova, M; Chovancova, J; Furdik, M |
| 2010 | A facile route to phenyl, phenylsulfanyl and phenylselanyl substituted pyrano[3,2-c]chromenes | Lacova, M; Gasparova, R; Kois, P; Bohac, A; Metwally El-Shaaer, Hafez |
| 2005 | A Facile Route to Phenylselanyl Substituted Pyrano[3,2-c]chromenes | Kois, Pavol; Metwally El-Shaaer, Hafez ; Lacova, Margita |
| 1-Jan-1996 | FUSED CYANOPYRIMIDINES : PART II SYNTHESIS AND REACTIONS OF FUSED CYANOPYRIMIDINE DERIVATIVES AS AFFECTING BENZYMATIC AGENTS | H. M. El-Shaaer ; S. A. Abdel-Aziz; H. A. Allimony; U. F. Ali; R. M. Abdel-Rahman |
| 1-Jan-1993 | INFRARED SPECTRA AND THEORETICCAL STUDY OF METHYL, FORMYL AND ACETYL DERIVATIVES OF CHROMONES | H. M. El-Shaaer ; , A. Perjessy; P. Zahradnik; M. Lacova; Z. Sustekova |
| 31-Aug-2000 | The photochemical behaviour of 6-X-4H-3(bicyclo[2.2.1]-5-heptene-2,3-dicarboximidoiminomethyl)-4-chromones. Photochromism and thermochromism | Gáplovský, Anton; Donovalová, Jana; Lacová, Margita; Mračnová, Renáta; H. M. El-Shaaer |
| 2019 | REACTION 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 PROPERTIES | Ali, TE; Assiri, MA; Metwally El-Shaaer, Hafez ; Fouda, AM; Hassan, MM; Hassanin, NM |
| 2018 | Reaction 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-phosphinines | Hassanin, NM; Ali, TE; Metwally El-Shaaer, Hafez ; Hassan, MM |
| 2019 | Reaction 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 properties | Ali, TE; Assiri, MA; Metwally El-Shaaer, Hafez ; Hassan, MM; Fouda, AM; Hassanin, NM |
| 1-Jan-1993 | REACTIONS 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 CONDITIONS | G. S. MELIKYAN; M. LÁCOVÁ; K. KRÁLOVÁ,; H. M. El-Shaaer ; M. HENSELOVÁ; A. A. AVETISYAN |
| 1-Jan-1995 | SOME NEW 4-OXO-4H-1-BENZOPYRAN DERIVATIVES | H. M. El-Shaaer ; S. S. Ibrahim; A. M. Abdel-Halim |
| 1-Jan-1994 | STUDY OF SUBSTITUTED FORMYLCHROMONES | H. M. El-Shaaer ; Pavol Zahradnik; Margita Lacova; Maria Matulova |
| 2014 | Study of the Reactivity of 6,8-Dimethyl-4-oxo-4H-1-benzopyran-3-carboxaldehyde Towards Amino-6-oxopyridine-3-carboxylate Derivatives | Metwally El-Shaaer, Hafez ; Abd-Elmonem, WR; Ibrahim, SS; Ibrahim, CG |
| 1-Jan-1997 | SYNTHESIS AND ANTIMICROBIAL ACTIVITIES OF SOME NEW 2-SUBSTITUTED BENZOXAZOLE/BENZOTHIAZOLE DERIVATIVES | H. M. El-Shaaer ; S. A. Abdel-Aziz; H. A. Allimony; U. F. Ali; R. M. Abdel-Rahman |
| 1-Jan-2021 | Synthesis and biological activities of some new phosphorus compounds containing pyranopyrazole moiety | Ali, 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. |
| 2021 | Synthesis 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 moieties | Ali, 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-1998 | Synthesis and reactions of new 4-oxo-4H-benzopyran-3-carboxaldehydes containing hydroxy groups or 2-oxopyran cycles | Lacova, Margita; Loos, Dusan; Furdik, Mikulas; Matulova, Maria; H. M. El-Shaaer |
| 12-Nov-2002 | Synthesis and reactions of some 2-methyl-4-oxo-4H-1-benzopyrans and 2-methyl-4-oxo-4H-1-benzo[b]-thiopheno[3,2-b]pyrans | Ibrahim, S. S.; H. M. El-Shaaer ; Hassan, A. |
| 1-Jan-1996 | SYNTHESIS AND REACTIONS OF SOME NEW 1,2,4-TRIAZINOQUINAZOLINONE DERIVATIVES | H. M. El-Shaaer ; H. A. Allimony; S. G. Abdel-Hamide; S. A. Abdel-Aziz; R. M. Abdel-Rahman |
| 2008 | Synthesis of bioactive 4-oxo-4H-chromenes bearing heterocyclic systems from hydrazonecarbodithioic acid and thiocarbohydrazone | Ali, TE; Abdel-Aziz, SA; Metwally El-Shaaer, Hafez ; Hanafy, FI; El-Fauomy, AZ |
| 1-Jan-2008 | Synthesis of Some New 4-Oxo-4H-Chromene Derivatives Bearing Nitrogen Heterocyclic Systems as Antifungal Agents | H. M. El-Shaaer ; T. E. Ali; S. A. Abdel-Aziz; F. I. Hanafy; A. Z. El-Fauomy |
| 1-Jan-1997 | SYNTHESIS OF SOME NEW HETEROCYCLIC COMPOUNDS BEARING CHROMON-3-YL MOIETY AND RELATED COMPOUNDS AS ANTIMICROBIAL AGENTS | H. M. El-Shaaer |
| 1-Jan-1995 | SYNTHESIS OF SOME NEW PIPERAZINE-N,N’-BIS-SUBSTITUTED DERIVATIVES AS POTENTIAL BIOLOGICALLY ACTIVE AGENTS | H. M. El-Shaaer ; H. A. Allimony; S. A. Abdel-Aziz; R. M. Abdel-Rahman |
| 2020 | SYNTHESIS OF SOME NOVEL ANTIMICROBIAL AND ANTIOXIDANT AGENTS OF FUNCTIONALIZED PYRAZOLO[4 ',3 ':5,6]PYRANO[3,2-d]-[1,2] AZAPHOSPHOLES AND PYRAZOLO [4 ',3 ':5,6]PYRANO [2,3-d]-[1,3,2]DIAZAPHOSPHININES | Hassanin, NM; Ali, TE; Metwally El-Shaaer, Hafez ; Abdel-Kariem, SM; El-Edfawy, SM; Abdel-Monem, WR |
| Jun-2011 | Synthesis, antifungal activity and semi-empirical AM1-MO calculations of some new 4-oxo-4H-chromene derivatives | elfayome, Ali ; Salah Abdel Aghfaar Abdel-Aziz; Faten Ismail Hanafy; Tark El-Sayed; H. M. El-Shaaer |
| 1-Mar-1998 | Synthesis, antimicrobial activity and bleaching effect of some reaction products of 4-oxo-4H-benzopyran-3-carboxaldehydes with aminobenzothiazoles and hydrazides | H. M. El-Shaaer ; Pavlina Foltinova; Margita Lacova; Jarmila Chovancova; henrieta Stankovicova |
| 1-Jan-1997 | SYNTHSIS AND ANTIMYCOBACTERIAL ACTIVITY OF SOME NEW 3-HETEROCYCLIC SUBSTITUTED CHROMONES | H. M. El-Shaaer ; R. Gasparova; Margita Lacova; Z. Odlerova |
| 22-Oct-2020 | The synthesis of 1,2-azaphospholes, 1,2-azaphosphorines and 1,2-azaphosphepines | Hassanin, Noha M.; Ali, Tarik E.; Assiri, Mohammed A.; H. M. El-Shaaer ; mohamed, Somaia |
