El-Sayed, Refat: search on Z-Library

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1

IR, 1H-NMR, UV-Vis and thermal studies on the Rhodamine 6G charge-transfer complexes

S. Refat, Moamen, M.A. Killa, Hamada, El-Sayed, M.Y.

Journal:

Bulletin of the Chemical Society of Ethiopia

Year:

2011

Language:

english

File:

PDF, 163 KB

english, 2011

2

Synthesis of Ecofriendly Functionalized Oxadiazole, Imidazole, Triazole and Pyridine Derivatives

El-Sayed, Refat, Shaldom, Amani, Mazrouee, Layla Al

Journal:

Journal of Surfactants and Detergents

Year:

2016

Language:

english

File:

PDF, 825 KB

english, 2016

3

Development of medical drugs: Synthesis and in vitro bio-evaluations of nanomedicinal zinc–penicillins polymeric hydrogel membranes for wound skin dressing by new chemical technology

Refat, Moamen S., Elsabawy, K.M., Alhadhrami, A., Almalki, Abdulraheem S.A., El-Sayed, Mohamed Y., Hassan, Reham F.

Journal:

Journal of Molecular Liquids

Year:

2018

Language:

english

File:

PDF, 1004 KB

english, 2018

4

Synthesis of several new lanthanide Glimepiride complexes for evaluation of microbial activity

Abd El-Wahed, M. G., El-Megharbel, Samy M., El-Sayed, Mohamed Y., Zahran, Yasmin M., Refat, Moamen S.

Journal:

Russian Journal of General Chemistry

Year:

2013

Language:

english

File:

PDF, 346 KB

english, 2013

5

Construction of fused heterocycles by metal-mediated [2+2+2] cyclotrimerization of alkynes and/or nitriles

Mohamed R. Shaaban, Refat El-Sayed, Ahmed H.M. Elwahy

Journal:

Year:

2011

Language:

english

File:

PDF, 5.62 MB

english, 2011

6

Synthesis and Evaluation of Polyfunctionally Substituted Heterocyclic Compounds Derived from 2-Cyano- N -(5-pentadecyl-1,3,4-thiadiazol-2-yl)acetamide

El-Sayed, Refat, Shaldom, Amani, Mazrouee, Layla Al

Journal:

Synthetic Communications

Year:

2015

Language:

english

File:

PDF, 539 KB

english, 2015

7

ChemInform Abstract: Synthesis of Some New Thiazole, Oxazole, Pyrimidine and Pyridazine Derivatives from 2-Cyano-N-octadecyl-acetamide as Antimicrobial and Surface Active Agents.

El-Sayed, Refat, Ahmed, Saleh A

Journal:

Year:

2016

File:

PDF, 29 KB

2016

8

Synthesis of Pharmacological Heterocyclic Derivatives Based Surfactants

El-Sayed, Refat, Fadda, Ahmed. A

Journal:

Journal of Oleo Science

Year:

2016

Language:

english

File:

PDF, 611 KB

english, 2016

9

Synthesis of amino acid iodine charge transfer complexes in situ methanolic medium: Chemical and physical investigations

Mahmoud, K.R., Refat, Moamen S., Sharshar, T., Adam, Abdel Majid A., Manaaa, El-Sayed A.

Journal:

Journal of Molecular Liquids

Year:

2016

Language:

english

File:

PDF, 928 KB

english, 2016

10

Synthesis of new drug model has an effective antimicrobial and antitumors by combination of cephalosporin antibiotic drug with silver(I) ion in nano scale range: Chemical, physical and biological studies

Refat, Moamen S., Sharshar, T., Elsabawy, K.M., El-Sayed, Mohamed Y., Adam, Abdel Majid A.

Journal:

Journal of Molecular Liquids

Year:

2017

Language:

english

File:

PDF, 4.61 MB

english, 2017

11

Synthesis of an Efficiency Heterocyclic Systems, Surface Properties and Potential Pharmacological Interest

El-Sayed, Refat

Journal:

Journal of Oleo Science

Year:

2018

Language:

english

File:

PDF, 626 KB

english, 2018

12

ORGANOPHOSPHORUS CHEMISTRY, 29 l . THE ACTION OF 2,4-BIS-(4-METHOXY-PHENYL)-1,3,2,4-DITHIAPHOSPHETANE-2,4-DIS-ULFIDE (LAWESSON'S REAGENT) ON α, β-UNSATURATED NITRILES

Khidre, Maha D., Yakout, El-Sayed M. A., Mahran, Mohamed Refat H.

Journal:

Phosphorus Sulfur and Silicon and the Related Elements

Year:

1998

Language:

english

File:

PDF, 309 KB

english, 1998

13

Thymine vanadyl(II) compound as a diabetic drug model: Chemical spectroscopic and antimicrobial assessments

El-Sayed, Mohamed Y., Refat, Moamen S.

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2014

Language:

english

File:

PDF, 1.14 MB

english, 2014

14

Synthesis, Surface Parameters, and Biodegradability of Water-soluble Surfactants for Various Applications

El-Sayed, Refat, Alotaibi, Hawazin H, Elhady, Heba A

Journal:

Journal of Oleo Science

Year:

2018

Language:

english

File:

PDF, 753 KB

english, 2018

15

ChemInform Abstract: Construction of Fused Heterocycles by Metal-Mediated [2 + 2 + 2] Cyclotrimerization of Alkynes and/or Nitriles

Mohamed R. Shaaban, Refat El-Sayed, Ahmed H. M. Elwahy

Journal:

Year:

2011

File:

PDF, 18 KB

2011

16

Synthesis, chemical structure elucidation, and biological studies on the effect of some vital metal ions on sulfadoxine

Zaky, M., El-Sayed, Mohamed Y., El-Megharbel, Samy M., Taleb, Sameh Abo, Refat, Moamen S.

Journal:

Russian Journal of General Chemistry

Year:

2015

Language:

english

File:

PDF, 262 KB

english, 2015

17

ChemInform Abstract: Synthesis of Various Nitrogen Heterocycles as Antimicrobial Surface Agents.

El-Sayed, Refat, Asghar, Basim H.

Journal:

Year:

2015

File:

PDF, 24 KB

2015

18

Synthesis, Surface, and Antimicrobial Activity of Hydrophobically Thiadiazole, Pyridazine, and Pyrimidine Systems Based on Surface Active Agents

Althagafi, Ismail, El-Sayed, Refat

Journal:

Journal of Heterocyclic Chemistry

Year:

2018

Language:

english

File:

PDF, 389 KB

english, 2018

19

Synthesis of Some New Thiazole, Oxazole, Pyrimidine and Pyridazine Derivatives from 2-cyano- N -octadecyl-acetamide as Antimicrobial and Surface Active Agents

El-Sayed, Refat, Ahmed, Saleh A

Journal:

Journal of Heterocyclic Chemistry

Year:

2015

Language:

english

File:

PDF, 356 KB

english, 2015

20

ChemInform Abstract: Utility of Octadecyl Amine in the Synthesis of Various Nitrogen Heterocycles: A Preliminary Investigation on Their Surface and Biological Activities.

El-Sayed, Refat, Ahmed, Saleh A.

Journal:

Year:

2016

File:

PDF, 14 KB

2016

21

Potential Biosignificant Interest and Surface Activity of Efficient Heterocyclic Derivatives

El-Sayed, Refat, Althagafi, Ismail

Journal:

Journal of Oleo Science

Year:

2016

Language:

english

File:

PDF, 483 KB

english, 2016

22

Synthesis of Potential Pharmaceutical Heterocycles as Surface Active Agents

Howsaway, Hamida O., El-Sayed, Refat

Journal:

Journal of Surfactants and Detergents

Year:

2017

Language:

english

File:

PDF, 720 KB

english, 2017

23

Design, synthesis and evaluation of anticancer activity of novel 2-thioxoimidazolidin-4-one derivatives bearing pyrazole, triazole and benzoxazole moieties

Elhady, Heba A., El-Sayed, Refat, Al-nathali, Hamedah S.

Journal:

Chemistry Central Journal

Year:

2018

Language:

english

File:

PDF, 993 KB

english, 2018

24

Synthesis of Five and Six-Membered Heterocycles Using Activated Nitriles for Industrial Applications

El-Sayed, Refat, Almalki, Meshal H. K.

Journal:

Journal of Oleo Science

Year:

2017

Language:

english

File:

PDF, 461 KB

english, 2017

25

Structural and spectroscopic characterizations on the charge-transfer interactions of the second generation poly(propylene amine) dendrimers with iodine and picric acid acceptors

El-Sayed, Mohamed Y., Refat, Moamen S.

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2015

Language:

english

File:

PDF, 1.12 MB

english, 2015

26

Supramolecular Arrangement in Styphnic Acid and Naphthalene-1,4-diol (1 : 1) through a Novel Synthetic Rote for Styphnic Acid

Refat, Moamen S., Saad, Hossam A., El-Sayed, Mohamed Y., Adam, Abdel Majid A., Yeşilel, Okan Zafer, Taş, Murat

Journal:

Journal of Chemistry

Year:

2013

Language:

english

File:

PDF, 2.81 MB

english, 2013

27

Synthesis and characterization of N,N′-bis[2-hydroxyethyl]-1,4,6,8-naphthalenediimide with para substituted of phenols based on charge-transfer complexes

Moamen S. Refat, Hamada M.A. Killa, Ivo Grabchev, Mohamed Y. El-Sayed

Journal:

Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy

Year:

2007

Language:

english

File:

PDF, 775 KB

english, 2007

28

Fluorene Derivatives with Multi-addressable Properties: Synthesis, Characterization, and Reactivity

El-Sayed, Refat, Althagafi, Ismail I., Ahmed, Saleh A.

Journal:

Journal of Surfactants and Detergents

Year:

2017

Language:

english

File:

PDF, 799 KB

english, 2017

29

Complexes of nalidixic acid with some vital metal ions: Synthesis, chemical structure elucidation, and antimicrobial evaluation

Zaky, M., El-Sayed, Mohamed Y., El-Megharbel, Samy M., Taleb, Sameh Abo, Refat, Moamen S.

Journal:

Russian Journal of General Chemistry

Year:

2013

Language:

english

File:

PDF, 450 KB

english, 2013

30

Synthesis of Biodegradable Pyrazole, Pyran, Pyrrole, Pyrimidine and Chromene Derivatives having Medical and Surface Activities

El-Sayed, Refat

Journal:

Journal of Surfactants and Detergents

Year:

2016

Language:

english

File:

PDF, 779 KB

english, 2016

31

Synthesis and physicochemical characterizations of coordination between palladium(II) metal ions with floroquinolone drugs as medicinal model against anticancer cells: Novel metallopharmaceuticals

El-Megharbel, Samy M., Hegab, Mohamed, Manaaa, El-sayed, Refat, Moamen

Journal:

New Journal of Chemistry

Year:

2018

Language:

english

File:

PDF, 2.05 MB

english, 2018

32

Experimental and spectroscopic studies of charge transfer reaction between sulfasalazine antibiotic drug with different types of acceptors

Dr. Moamen S. Refat, Sabry A. El-Korashy, Ibrahim M. El-Deen, Shaima M. El-Sayed

Journal:

Drug Testing and Analysis

Year:

2011

Language:

english

File:

PDF, 298 KB

english, 2011

33

Cu(II), Co(II) and Ni(II) complexes of new Schiff base ligand: Synthesis, thermal and spectroscopic characterizations

Refat, Moamen S., El-Sayed, Mohamed Y., Adam, Abdel Majid A.

Journal:

Journal of Molecular Structure

Year:

2013

Language:

english

File:

PDF, 1.20 MB

english, 2013

34

Synthesis and Heteroannulation of Pyridine and Related Heterocyclic Systems Having Surface and Biological Activities

El-Sayed, Refat

Journal:

Journal of Oleo Science

Year:

2015

Language:

english

File:

PDF, 427 KB

english, 2015

35

Biomarkers charge-transfer complexes of melamine with quinol and picric acid: Synthesis, spectroscopic, thermal, kinetic and biological studies

Refat, Moamen S., Adam, Abdel Majid A., El-Sayed, Mohamed Y.

Journal:

Arabian Journal of Chemistry

Year:

2014

Language:

english

File:

PDF, 1.15 MB

english, 2014

36

Synthesis of Various Nitrogen Heterocycles as Antimicrobial Surface Agents

El-Sayed, Refat, Asghar, Basim H.

Journal:

Journal of Heterocyclic Chemistry

Year:

2014

Language:

english

File:

PDF, 276 KB

english, 2014

37

Propoxylated Fatty Thiazole, Pyrazole, Triazole, and Pyrrole Derivatives with Antimicrobial and Surface Activity

El-Sayed, Refat, Khairou, Khalid S.

Journal:

Journal of Surfactants and Detergents

Year:

2015

Language:

english

File:

PDF, 797 KB

english, 2015

38

The Behavior of 4-Azidocoumarin-3-carboxaldehyde Towards Certain Sulfur Reagents and Primary Amines

Ibrahim, Nabila M., Yosef, Hisham Abdallah A., Yakout, El-Sayed M. A., Mahran, Mohamed Refat H.

Journal:

Phosphorus Sulfur and Silicon and the Related Elements

Year:

2009

Language:

english

File:

PDF, 943 KB

english, 2009

39

Utility of Octadecyl Amine in the Synthesis of Various Nitrogen Heterocycles: A Preliminary Investigation on Their Surface and Biological Activities

El-Sayed, Refat, Ahmed, Saleh A.

Journal:

Journal of Heterocyclic Chemistry

Year:

2015

Language:

english

File:

PDF, 370 KB

english, 2015

40

Charge-transfer complexes of sulfamethoxazole drug with different classes of acceptors

Moamen S. Refat, Sabry A. El-Korashy, Ibrahim M. El-Deen, Shaima M. El-Sayed

Journal:

Journal of Molecular Structure

Year:

2010

Language:

english

File:

PDF, 1.68 MB

english, 2010

41

Spectroscopic and thermal degradation behavior of Mg(II), Ca(II), Ba(II) and Sr(II) complexes with paracetamol drug

Refat, Moamen S., Mohamed, Gehad G., El-Sayed, Mohamed Y., Killa, Hamada M.A., Fetooh, Hammad

Journal:

Arabian Journal of Chemistry

Year:

2013

Language:

english

File:

PDF, 1.42 MB

english, 2013

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