El-barbary, Ahmed A. K. : rechercher sur Z-Library

Yasser M. Loksha, Per T. Joergensen, Erik B. Pedersen, Mahmoud A. El-Badawi, Ahmed A. El-Barbary, Claus Nielsen

Année:

2001

Fichier:

PDF, 33 KB

2001

ChemInform Abstract: Synthesis of Imidazoles as Novel Emivirine and S-DABO Analogues.

Journal:

Yasser M. Loksha, Mahmoud A. El-Badawi, Ahmed A. El-Barbary, Erik B. Pedersen, Claus Nielsen

Année:

2002

Fichier:

PDF, 29 KB

2002

Synthesis of 2-Methylsulfanyl-1H-imidazoles as Novel Non-Nucleoside Reverse Transcriptase Inhibitors (NNRTIs).

Journal:

Yasser M. Loksha, Erik B. Pedersen, Ahmed A. El-Barbary, Mahmoud A. El-Badawi, Claus Nielsen

Année:

2003

Langue:

english

Fichier:

PDF, 137 KB

english, 2003

Studying the Synthesis of 4-tert-Butyl-1,3-dihydroimidazol-2-ones and Their Corresponding Thiones.

Journal:

Yasser M. Loksha, Ahmed A. El-Barbary, Mahmoud El-Badawi, Claus Nielsen, Erik B. Pedersen

Année:

2004

Fichier:

PDF, 172 KB

2004

Synthesis of 2-Hydroxymethyl-1H-imidazoles from 1,3-Dihydroimidazole-2-thiones.

Journal:

Ahmed Ahmed El-Barbary, Yehia Ahmed Hafiz, Mohamed Shaker Abdel-Wahed

Année:

2004

Fichier:

PDF, 120 KB

2004

ChemInform Abstract: Synthesis, Characterization, and Biological Activity of Some Aza-Uracil Derivatives.

Journal:

Ashraf A. El-Shehawy, Nabiha I. Abdo, Ahmed A. El-Barbary, Jae-Suk Lee

Année:

2011

Fichier:

PDF, 35 KB

2011

Alternating Copolymers Based on 2,1,3-Benzothiadiazole and Hexylthiophene: Positioning Effect of Hexyl Chains on the Photophysical and Electrochemical Properties

Journal:

Ahmed Ahmed El-Barbary, Yehia Ahmed Hafiz, Mohamed Shaker Abdel-Wahed

Année:

2011

Langue:

english

Fichier:

PDF, 745 KB

english, 2011

Synthesis, characterization, and biological activity of some aza-uracil derivatives

Journal:

Ahmed A. El-Barbary, Mahmoud A. El-Badawi, Yasser M. Loksha

Année:

2011

Langue:

english

Fichier:

PDF, 169 KB

english, 2011

Synthesis of some novel 3,7-dimethyl-4H-pyrazolo[5,1-c][1,2,4]triazin-4-ones

Journal:

Yasser M. Loksha, Per T. Jørgensen, Erik B. Pedersen, Mahmoud A. El-Badawi, Ahmed A. El-Barbary, Claus Nielsen

Année:

2001

Langue:

english

Fichier:

PDF, 66 KB

english, 2001

Synthesis of imidazoles as novel emivirine and S-DABO analogues

Journal:

Yasser M. Loksha, Erik B. Pedersen, Ahmed A. El-Barbary, Mahmoud A. El-Badawi, Claus Nielsen

Année:

2002

Langue:

english

Fichier:

PDF, 99 KB

english, 2002

Studying the synthesis of 4-tert-butyl-1,3-dihydroimidazol-2-ones and their corresponding thiones

Journal:

Per T. Jørgensen, Ahmed A. El-Barbary, Erik B. Pedersen

Année:

2003

Langue:

english

Fichier:

PDF, 87 KB

english, 2003

Synthesis of α-Arabinose Nucleosides from 6-Substituted Uracils

Journal:

Ahmed A. El-Barbary, Ahmed I. Khodair, Erik B. Pedersen, Claus Nielsen

Année:

1993

Langue:

english

Fichier:

PDF, 517 KB

english, 1993

Synthesis of Uridine with Methylene-2-thiohydantoin as 5-Substituent

Journal:

Ahmed A. El-Barbary, Nasser R. El-Brollosy, Hamed M. Abdel-Bary, Erik B. Pedersen, Paul Stein, Claus Nielsen

Année:

1994

Langue:

english

Fichier:

PDF, 241 KB

english, 1994

Synthesis and antiviral evaluation of quinazoline, thieno-[2,3-d]pyrimidine, and lumazine analogues of 3′-fluoro-3′-deoxythymidine (FLT)

Journal:

Yasser M. Loksha, Ahmed A. El-Barbary, Mahmoud A. El-Badawi, Claus Nielsen, Erik B. Pedersen

Année:

1995

Langue:

english

Fichier:

PDF, 539 KB

english, 1995

Synthesis of 2-(aminocarbonylmethylthio)-1H-imidazoles as novel Capravirine analogues

Journal:

Bioorganic & Medicinal Chemistry

Année:

2005

Langue:

english

Fichier:

PDF, 460 KB

english, 2005

A selective and direct synthesis of 2-bromo-4-alkylthiophenes: Convenient and straightforward approaches for the synthesis of head-to-tail (HT) and tail-to-tail (TT) dihexyl-2,2′-bithiophenes

Ashraf A. El-Shehawy, Nabiha I. Abdo, Ahmed A. El-Barbary, Jae-Suk Lee

Journal:

Tetrahedron Letters

Année:

2010

Langue:

english

Fichier:

PDF, 406 KB

english, 2010

Non-invasive index of liver fibrosis induced by alcohol, thioacetamide and schistosomal infection in mice

Mohamed H Hessien, Ismaiel M El-Sharkawi, Ahmed A El-Barbary, Doha M El-Beltagy, Ned Snyder

Journal:

BMC Gastroenterology

Année:

2010

Langue:

english

Fichier:

PDF, 1.09 MB

english, 2010

Convergent synthesis of 2′,3′-dideoxy-3′-methylthio and 2′,3′-dideoxy-3′-mercapto nucleosides and their disulfide analogues — Potential anti-HIV agents

Kim L. Dueholm, Youssef L. Aly, Per T. Jørgensen, Ahmed A. El-Barbary, Erik B. Pedersen, Claus Nielsen

Journal:

Monatshefte für Chemie - Chemical Monthly

Année:

1993

Langue:

english

Fichier:

PDF, 1.17 MB

english, 1993

Structure Rhinoplasty of the Long Nose

Ahmed Ali, Amir El-Barbary, Mohamed Farag

Journal:

Aesthetic Plastic Surgery

Année:

2011

Langue:

english

Fichier:

PDF, 2.04 MB

english, 2011

Anti-HIV Active Naphthyl Analogues ofHEPTandDABO

Dalia R. Imam, Ahmed A. El-Barbary, Claus Nielsen, Erik B. Pedersen

Journal:

Monatshefte für Chemie - Chemical Monthly

Année:

2002

Langue:

english

Fichier:

PDF, 112 KB

english, 2002

An attempt to improve the reproductive efficiency of Nile tilapia brood stock fish

Abdelhamid M. Abdelhamid, Ahmed I. Mehrim, Manal I. El-Barbary, Mohamed A. El-Sharawy

Journal:

Fish Physiology and Biochemistry

Année:

2010

Langue:

english

Fichier:

PDF, 189 KB

english, 2010

Reactions with 5-aminopyrazoles. I. Synthesis of halogen-containing fused pyrazoles

Hamdy A. Hammouda, Ahmed A. El-Barbary, Mohie A. F. Sharaf

Journal:

Ahmed A. El-Barbary, Nasser R. El-Brollosy, Erik B. Pedersen, Claus Nielsen

Année:

1984

Fichier:

PDF, 231 KB

1984

Synthesis of 5′-azido- and 5′-amino-2′,5′-dideoxynucleosides from quinazoline-2,4(1H,3H)-diones

Journal:

El-Barbary, Ahmed A., Khodair, Ahmed I., Pedersen, Erik B., Nielsen, Claus

Année:

1995

Fichier:

PDF, 282 KB

1995

S-Glucosylated hydantoins as new antiviral agents

Journal:

Journal of Medicinal Chemistry

Année:

1994

Langue:

english

Fichier:

PDF, 742 KB

english, 1994

Palladium-Catalyzed Direct C–H Arylation of Thieno[3,4-b]pyrazines: Synthesis of Advanced Oligomeric and Polymeric Materials

Nabiha I. Abdo, Ashraf A. El-Shehawy, Ahmed A. El-Barbary, Jae-Suk Lee

Journal:

Journal of Genetic Engineering and Biotechnology

Année:

2012

Langue:

english

Fichier:

PDF, 1004 KB

english, 2012

Di-Mercapto Succinic Acid (DMSA) and vitamin C chelating potency in lead intoxication, regarding oxidative stress and apoptotic related proteins in rabbits

Bassem M. Raafat, Ahmed El-Barbary, Ehab Touson, Samir Aziz

Journal:

Année:

2011

Langue:

english

Fichier:

PDF, 2.87 MB

english, 2011

REACTION OF 2-THIOHYDANTOINS WITH SOME DIAZOALKANES AND SOME AMINES

El-barbary, Ahmed A., Aly, Youssef L., Hashem, Abdel-Fatah M., El-shehawy, Ashraf A.

Journal:

Phosphorus Sulfur and Silicon and the Related Elements

Année:

2000

Langue:

english

Fichier:

PDF, 493 KB

english, 2000

ALKYLATION OF THIOHYDANTOINS INCLUDING SYNTHESIS, CONFORMATIONAL AND CONFIGURATIONAL STUDIES OF SOME ACETYLATED S-PYRANOSIDES

Aly, Youssef L., El-Barbary, Ahmed A., El-Shehawy, Ashraf A.

Journal:

Phosphorus Sulfur and Silicon and the Related Elements

Année:

2004

Langue:

english

Fichier:

PDF, 235 KB

english, 2004

Synthesis and Antimicrobial Activities of Some 6-Methyl-3-Thioxo-2,3-Dihydro-1,2,4-Triazine Derivatives

El-Barbary, Ahmed A., El-Shehawy, Ashraf A., Abdo, Nabiha I.

Journal:

Phosphorus Sulfur and Silicon and the Related Elements

Année:

2014

Langue:

english

Fichier:

PDF, 183 KB

english, 2014

Synthesis and characterization of low bandgap π-conjugated copolymers incorporating 4,7-bis(3,3′/4,4′-hexylthiophene-2-yl)benzo[c][2,1,3]thiadiazole units for photovoltaic application

Abdo, Nabiha I., Ku, Jamin, El-Shehawy, Ashraf A., Shim, Hee-Sang, Min, Joon-Keun, El-Barbary, Ahmed A., Jang, Yun Hee, Lee, Jae-Suk

Journal:

Journal of Materials Chemistry A

Année:

2013

Langue:

english

Fichier:

PDF, 836 KB

english, 2013

Hydantoin analogs of thymidine

El-Barbary, Ahmed A., Khodair, Ahmed I., Pedersen, Erik B.

Journal:

Journal of Organic Chemistry

Année:

1993

Langue:

english

Fichier:

PDF, 769 KB

english, 1993

Action of hydrazines, hydroxylamine, and urea on 2-aryl-4-(chloromethyl)-1,3,4-oxadiazoline-5-thiones

El-Barbary, Ahmed A., Islam, Inas, Hashem, Abdel Fattah M.

Journal:

Journal of Chemical & Engineering Data

Année:

1984

Langue:

english

Fichier:

PDF, 292 KB

english, 1984

Value of apparent diffusion coefficient and magnetic resonance spectroscopy in the identification of various pathological subtypes of parotid gland tumors

Salama, Alsiagy A., El-Barbary, Ahmed Hussieny, Mlees, Mohamed Ali, Esheba, Ghada El- Sayed

Journal:

The Egyptian Journal of Radiology and Nuclear Medicine

Année:

2015

Langue:

english

Fichier:

PDF, 1.12 MB

english, 2015

[IEEE 2012 29th National Radio Science Conference (NRSC) - Cairo, Egypt (2012.04.10-2012.04.12)] 2012 29th National Radio Science Conference (NRSC) - C1. Performance evaluation of MC-DS-CDMA system in presence of modulated narrowband interference

Samy, Ashraf M., El-Mahdy, Ahmed, El-Barbary, Khairy, Hanafy, A.

Année:

2012

Langue:

english

Fichier:

PDF, 728 KB

english, 2012

[IEEE 2011 28th National Radio Science Conference (NRSC) - Cairo, Egypt (2011.04.26-2011.04.28)] 2011 28th National Radio Science Conference (NRSC) - Performance analysis of adaptive Hard Decision Parallel Interference Cancellation receiver in asynchronous Multicarrier DS-CDMA system

Ahmed, Maged, El-Mahdy, Ahmed, El-Barbary, Kairy

Année:

2011

Fichier:

PDF, 3.15 MB

2011

Structural Investigations of 2-(P-Substituted Benzeneazo)-1,5-dihydroxy Naphthalene and Their Cobalt(II), Nickel(II) and Copper(II) Complexes

Kandil, Samir S., Ali, Youssef L., El-Barbary, Ahmed A.

Journal:

Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry

Année:

1992

Langue:

english

Fichier:

PDF, 402 KB

english, 1992

Thio Nucleoside Derivatives as Intermediates or Target Compounds in the Attempt of Finding New Agents Against HIV

Pedersen, Erik B., Dueholm, Kim L., El-emam, Ali, Kofoed, Thomas, El-Torgoman, Abdelmoneim A.-M., Motawia, Mohammed S., Aly, Youssef L., J⊘rgensen, Per T., El-barbary, Ahmed A. K., Khodair, Ahmed, Lar

Journal:

Phosphorus Sulfur and Silicon and the Related Elements

Année:

1993

Langue:

english

Fichier:

PDF, 108 KB

english, 1993

Synthesis of 3′-Amino and 5′-Amino Hydantoin 2′-Deoxynucleosides

El-Barbary, Ahmed A., Khodair, Ahmed I., Pedersen, Erik B., Nielsen, Claus

Journal:

Nucleosides and Nucleotides

Année:

1994

Langue:

english

Fichier:

PDF, 502 KB

english, 1994

Synthesis of 2-Hydroxymethyl-1 H -imidazoles from 1,3-Dihydroimidazole-2-thiones

Loksha, Yasser, El-Barbary, Ahmed, El-Badawi, Mahmoud, Nielsen, Claus, Pedersen, Erik

Journal:

Synthesis

Année:

2004

Langue:

english

Fichier:

PDF, 80 KB

english, 2004

ChemInform Abstract: Palladium-Catalyzed Direct C-H Arylation of Thieno[3,4-b]pyrazines: Synthesis of Advanced Oligomeric and Polymeric Materials.

Abdo, Nabiha I., El-Shehawy, Ashraf A., El-Barbary, Ahmed A., Lee, Jae-Suk

Journal: