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51

Use of Oxyma as pH modulatory agent to be used in the prevention of base-driven side reactions and its effect on 2-chlorotrityl chloride resin

Ramon Subirós-Funosas, Ayman El-Faham, Fernando Albericio

Journal:

Year:

2012

Language:

english

File:

PDF, 987 KB

english, 2012

52

ChemInform Abstract: Peptide-Coupling Reagents

Ayman El-Faham, Fernando Albericio

Journal:

Year:

2012

File:

PDF, 18 KB

2012

53

Screening of N-Alkyl-Cyanoacetamido Oximes as Substitutes for N-Hydroxysuccinimide

Dr. Sherine N. Khattab, Dr. Ramon Subirós-Funosas, Prof. Ayman El-Faham, Prof. Fernando Albericio

Journal:

Year:

2012

Language:

english

File:

PDF, 237 KB

english, 2012

54

Microwave-assisted synthesis, structural elucidation and biological assessment of 2-(2-acetamidophenyl)-2-oxo-N phenyl acetamide and N-(2-(2-oxo-2(phenylamino)acetyl)phenyl)propionamide derivatives

Mohamed Ghazzali, Ayman El-Faham, Ahmed Abdel-Megeed, Khalid Al-Farhan

Journal:

Journal of Molecular Structure

Year:

2012

Language:

english

File:

PDF, 565 KB

english, 2012

55

Aspartimide formation in peptide chemistry: occurrence, prevention strategies and the role of N-hydroxylamines

Ramon Subirós-Funosas, Ayman El-Faham, Fernando Albericio

Journal:

Year:

2011

Language:

english

File:

PDF, 617 KB

english, 2011

56

Cyanoacetamide-based oxime carbonates: an efficient, simple alternative for the introduction of Fmoc with minimal dipeptide formation

Sherine N. Khattab, Ramon Subirós-Funosas, Ayman El-Faham, Fernando Albericio

Journal:

Year:

2012

Language:

english

File:

PDF, 523 KB

english, 2012

57

Efficiency in Peptide Coupling: 1-Hydroxy-7-azabenzotriazole vs 3,4-Dihydro-3-hydroxy-4-oxo-1,2,3-benzotriazine

Carpino, Louis A., El-Faham, Ayman, Albericio, Fernando

Journal:

Journal of Organic Chemistry

Year:

1995

Language:

english

File:

PDF, 508 KB

english, 1995

58

Morpholine-Based Immonium and Halogenoamidinium Salts as Coupling Reagents in Peptide Synthesis 1

El-Faham, Ayman, Albericio, Fernando

Journal:

Journal of Organic Chemistry

Year:

2008

Language:

english

File:

PDF, 172 KB

english, 2008

59

Comparison of the Effects of 5- and 6-HOAt on Model Peptide Coupling Reactions Relative to the Cases for the 4- and 7-Isomers †,‡

Carpino, Louis A., Imazumi, Hideko, Foxman, Bruce M., Vela, Michael J., Henklein, Peter, El-Faham, Ayman, Klose, Jana, Bienert, Michael

Journal:

Organic Letters

Year:

2000

Language:

english

File:

PDF, 52 KB

english, 2000

60

Tetramethylfluoroformamidinium Hexafluorophosphate: A Rapid-Acting Peptide Coupling Reagent for Solution and Solid Phase Peptide Synthesis

Carpino, Louis A., El-Faham, Ayman

Journal:

Journal of the American Chemical Society

Year:

1995

File:

PDF, 420 KB

1995

61

PyOxP and PyOxB: the Oxyma-based novel family of phosphonium salts

Subirós-Funosas, Ramon, El-Faham, Ayman, Albericio, Fernando

Journal:

Organic & Biomolecular Chemistry

Year:

2010

Language:

english

File:

PDF, 265 KB

english, 2010

62

Erratum to “Microwave irradiation: A facile, scalable and convenient method for synthesis of N-phthaloylamino acids” [Arabian J. Chem. 5 (2012) 285–289]

Al-Hazimi, Hassan M., El-Faham, Ayman, Ghazzali, Mohamed, Al-Farhan, Khalid

Journal:

Arabian Journal of Chemistry

Year:

2012

Language:

english

File:

PDF, 291 KB

english, 2012

63

Microwave irradiation: A facile, scalable and convenient method for synthesis of N-phthaloylamino acids

Al-Hazimi, Hassan M., El-Faham, Ayman, Ghazzali, Mohamed, Al-Farhan, Khalid

Journal:

Arabian Journal of Chemistry

Year:

2012

Language:

english

File:

PDF, 519 KB

english, 2012

64

Microwave synthesis and thermal properties of polyacrylate derivatives containing itaconic anhydride moieties

Sameh M Osman, Mohamed H El-Newehy, Salem S Al-Deyab, Ayman El-Faham

Journal:

Chemistry Central Journal

Year:

2012

Language:

english

File:

PDF, 708 KB

english, 2012

65

Synthesis and characterization of new polyamides derived from alanine and valine derivatives

Ayman El-Faham, Hammed HAM Hassan, Sherine N Khattab

Journal:

Chemistry Central Journal

Year:

2012

Language:

english

File:

PDF, 338 KB

english, 2012

66

Effect of Tertiary Bases on O-Benzotriazolyluronium Salt-Induced Peptide Segment Coupling

Carpino, Louis A., El-Faham, Ayman

Journal:

Journal of Organic Chemistry

Year:

1994

Language:

english

File:

PDF, 516 KB

english, 1994

67

3-Hydroxy-4-oxo-3,4-dihydro-5-azabenzo-1,2,3-triazene †

Carpino, Louis A., Xia, Jusong, El-Faham, Ayman

Journal:

Journal of Organic Chemistry

Year:

2004

Language:

english

File:

PDF, 126 KB

english, 2004

68

Bis(BOC) amino acid fluorides as reactive peptide coupling reagents

Carpino, Louis A., Mansour, El Sayed M. E., El-Faham, Ayman

Journal:

Journal of Organic Chemistry

Year:

1993

Language:

english

File:

PDF, 376 KB

english, 1993

69

K-Oxyma: a Strong Acylation-Promoting, 2-CTC Resin-Friendly Coupling Additive

Cherkupally, Prabhakar, Acosta, Gerardo A., Nieto-Rodriguez, Lidia, Spengler, Jan, Rodriguez, Hortensia, Khattab, Sherine N., El-Faham, Ayman, Shamis, Marina, Luxembourg, Yoav, Prohens, Rafel, Subiros

Journal:

European Journal of Organic Chemistry

Year:

2013

Language:

english

File:

PDF, 365 KB

english, 2013

70

Spectral Characterization of Some Phenylazodihydroxy Naphthalene Derivatives

Saad, Esmat F., Hamed, Ezzat A., El-Faham, Ayman

Journal:

Spectroscopy Letters

Year:

1996

Language:

english

File:

PDF, 668 KB

english, 1996

71

Stepwise Automated Solid Phase Synthesis of Naturally Occurring Peptaibols Using FMOC Amino Acid Fluorides

Wenschuh, Holger, Beyermann, Michael, Haber, Hanka, Seydel, Joachim K., Krause, Eberhard, Bienert, Michael, Carpino, Louis A., El-Faham, Ayman, Albericio, Fernando

Journal:

Journal of Organic Chemistry

Year:

1995

Language:

english

File:

PDF, 816 KB

english, 1995

72

Complex Polyfluoride Additives in Fmoc-Amino Acid Fluoride Coupling Processes. Enhanced Reactivity and Avoidance of Stereomutation †

Carpino, Louis A., Ionescu, Dumitru, El-Faham, Ayman, Beyermann, Michael, Henklein, Peter, Hanay, Christiane, Wenschuh, Holger, Bienert, Michael

Journal:

Organic Letters

Year:

2003

Language:

english

File:

PDF, 56 KB

english, 2003

73

Organophosphorus and Nitro-Substituted Sulfonate Esters of 1-Hydroxy-7-azabenzotriazole as Highly Efficient Fast-Acting Peptide Coupling Reagents †

Carpino, Louis A., Xia, Jusong, Zhang, Chongwu, El-Faham, Ayman

Journal:

Journal of Organic Chemistry

Year:

2004

Language:

english

File:

PDF, 142 KB

english, 2004

74

Novel Proton Acceptor Immonium-Type Coupling Reagents: Application in Solution and Solid-Phase Peptide Synthesis

El-Faham, Ayman, Albericio, Fernando

Journal:

Organic Letters

Year:

2007

Language:

english

File:

PDF, 42 KB

english, 2007

75

The 1,1-Dioxobenzo[ b ]thiophene-2-ylmethyloxycarbonyl (Bsmoc) † Amino-Protecting Group

Carpino, Louis A., Ismail, Mohamed, Truran, George A., Mansour, E. M. E., Iguchi, Shin, Ionescu, Dumitru, El-Faham, Ayman, Riemer, Christoph, Warrass, Ralf

Journal:

Journal of Organic Chemistry

Year:

1999

Language:

english

File:

PDF, 308 KB

english, 1999

76

Encyclopedia of Reagents for Organic Synthesis || 1,1,3,3-Tetramethylfluoroformamidinium Hexafluorophosphate

El-Faham, Ayman

Year:

2001

Language:

english

File:

PDF, 130 KB

english, 2001

77

BOP-OXy, BOP-OBt, and BOP-OAt: novel organophosphinic coupling reagents useful for solution and solid-phase peptide synthesis

El-Faham, Ayman, Khattab, Sherine N., Subirós-Funosas, Ramon, Albericio, Fernando

Journal:

Journal of Peptide Science

Year:

2014

Language:

english

File:

PDF, 370 KB

english, 2014

78

Microwave irradiation: synthesis and characterization of α-ketoamide and bis (α-ketoamide) derivatives via the ring opening ofN-acetylisatin

El-Faham, Ayman, Khattab, Sherine N, Ghabbour, Hazem A, Fun, Hoong-Kun, H Siddiqui, M

Journal:

Chemistry Central Journal

Year:

2014

Language:

english

File:

PDF, 330 KB

english, 2014

79

The Solid State and Solution Structure of HAPyU †,‡,§

Carpino, Louis A., Henklein, Peter, Foxman, Bruce M., Abdelmoty, Iman, Costisella, Burkhard, Wray, Victor, Domke, Tobias, El-Faham, Ayman, Mügge, C.

Journal:

Journal of Organic Chemistry

Year:

2001

Language:

english

File:

PDF, 50 KB

english, 2001

80

Oxyma-B, an excellent racemization suppressor for peptide synthesis

Jad, Yahya E., Khattab, Sherine N., de la Torre, Beatriz G., Govender, Thavendran, Kruger, Hendrik G., El-Faham, Ayman, Albericio, Fernando

Journal:

Organic & Biomolecular Chemistry

Year:

2014

Language:

english

File:

PDF, 266 KB

english, 2014

81

Substituted Guanidines: Introducing Diversity in Combinatorial Chemistry

del Fresno, Montserrat, El-Faham, Ayman, Carpino, Louis A., Royo, Miriam, Albericio, Fernando

Journal:

Organic Letters

Year:

2000

Language:

english

File:

PDF, 61 KB

english, 2000

82

Advantageous applications of azabenzotriazole (triazolopyridine)-based coupling reagents to solid-phase peptide synthesis

Carpino, Louis A., El-Faham, Ayman, Minor, Charles A., Albericio, Fernando

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1994

Language:

english

File:

PDF, 349 KB

english, 1994

83

Peptide assembly in the absence of base via Fmoc amino acid fluorides

Wenschuh, Holger, Beyermann, Michael, El-Faham, Ayman, Ghassemi, Shahnaz, Carpino, Louis A., Bienert, Michael

Journal:

Journal of the Chemical Society Chemical Communications

Year:

1995

Language:

english

File:

PDF, 228 KB

english, 1995

84

Production and physicochemical assessment of new stevia amino acid sweeteners from the natural stevioside

Khattab, Sherine N., Massoud, Mona I., Jad, Yahya El-Sayed, Bekhit, Adnan A., El-Faham, Ayman

Journal:

Year:

2015

Language:

english

File:

PDF, 478 KB

english, 2015

85

α-Ketoamino acid ester derivatives as promising MAO inhibitors

El-Faham, Ayman, Al Marhoon, Zainab, Abdel-Megeed, Ahmed, Khattab, Sherine N., Bekhit, Adnan A., Albericio, Fernando

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

2015

Language:

english

File:

PDF, 886 KB

english, 2015

86

ChemInform Abstract: Advances in Acylation Methodologies Enabled by Oxyma-Based Reagents

Subiros-Funosas, Ramon, Khattab, Sherine N., Nieto-Rodriguez, Lidia, El-Faham, Ayman, Albericio, Fernando

Journal:

Year:

2014

File:

PDF, 12 KB

2014

87

Synthesis and Thermal Properties of Novel Polyamides Containing α-Amino Acid Moieties: Structure-Property Relationship

Hassan, Hammed H. A. M., El-Husseiny, Amel F., Abo-Elfadl, Abeer G., El-Faham, Ayman, Albericio, Fernando

Journal:

Journal of Macromolecular Science Part A

Year:

2012

Language:

english

File:

PDF, 1.21 MB

english, 2012

88

Peptide synthesis beyond DMF: THF and ACN as excellent and friendlier alternatives

Jad, Yahya E., Acosta, Gerardo A., Khattab, Sherine N., de la Torre, Beatriz G., Govender, Thavendran, Kruger, Hendrik G., El-Faham, Ayman, Albericio, Fernando

Journal:

Organic & Biomolecular Chemistry

Year:

2015

Language:

english

File:

PDF, 652 KB

english, 2015

89

NEW SYNTHESES OF bis (TETRAMETHYLENE)FLUOROFORMAMIDINIUM HEXAFLUOROPHOSPHATE ( BTFFH ) AND 1,3-DIMETHYL-2-FLUORO-4,5-DIHYDRO-1H-IMIDAZOLIUM HEXAFLUOROPHOSPHATE ( DFIH ). UTILITY IN PEPTIDE COUPLING REACTIONS

El-Faham, Ayman

Journal:

Organic Preparations and Procedures International

Year:

1998

Language:

english

File:

PDF, 308 KB

english, 1998

90

Exploring new selective 3-benzylquinoxaline-based MAO-A inhibitors: Design, synthesis, biological evaluation and docking studies

Khattab, Sherine N., Abdel Moneim, Shimaa A.H., Bekhit, Adnan A., El Massry, Abdel Moneim, Hassan, Seham Y., El-Faham, Ayman, Ali Ahmed, Hany Emary, Amer, Adel

Journal:

European Journal of Medicinal Chemistry

Year:

2015

Language:

english

File:

PDF, 1.14 MB

english, 2015

91

Encyclopedia of Reagents for Organic Synthesis || 1,1,3,3-Tetramethylfluoroformamidinium Hexafluorophosphate

El-Faham, Ayman

Year:

2001

Language:

english

File:

PDF, 150 KB

english, 2001

92

SYNTHESIS AND SPECTRAL STUDIES OF SOME ARYL SULFIDES AND SULFONES

Hamed, Ezzat A., El-faham, Ayman, Saad, Esmat F., El-bardan, Ali A.

Journal:

Phosphorus Sulfur and Silicon and the Related Elements

Year:

1996

Language:

english

File:

PDF, 689 KB

english, 1996

93

EDC·HCl and Potassium Salts of Oxyma and Oxyma-B as Superior Coupling Cocktails for Peptide Synthesis

Jad, Yahya E., Khattab, Sherine N., de la Torre, Beatriz G., Govender, Thavendran, Kruger, Hendrik G., El-Faham, Ayman, Albericio, Fernando

Journal:

European Journal of Organic Chemistry

Year:

2015

Language:

english

File:

PDF, 295 KB

english, 2015

94

Synthesis and evaluation of quinazoline amino acid derivatives as mono amine oxidase (MAO) inhibitors

Khattab, Sherine Nabil, Haiba, Nesreen Saied, Asal, Ahmed Mosaad, Bekhit, Adnan A., Amer, Adel, Abdel-Rahman, Hamdy M., El-Faham, Ayman

Journal:

Bioorganic & Medicinal Chemistry

Year:

2015

Language:

english

File:

PDF, 649 KB

english, 2015

95

An Efficient and Mild Method for the Synthesis and Hydrazinolysis of N-Glyoxylamino Acid Esters

El-Faham, Ayman, Al Marhoon, Zainab, Abdel-Megeed, Ahmed, Siddiqui, Mohamed

Journal:

Journal of Chemistry

Year:

2013

Language:

english

File:

PDF, 446 KB

english, 2013

96

Microwave Synthesis of Copolymers Based on Itaconic Acid Moiety and Their Utility for Scavenging of Copper (II) and Lead (II)

El-Newehy, Mohamed H., Osman, Sameh M., Refat, Moamen S., Al-Deyab, Salem S., El-Faham, Ayman

Journal:

Journal of Macromolecular Science Part A

Year:

2015

Language:

english

File:

PDF, 1.31 MB

english, 2015

97

2-Methyltetrahydrofuran and cyclopentyl methyl ether for green solid-phase peptide synthesis

Jad, Yahya E., Acosta, Gerardo A., Khattab, Sherine N., de la Torre, Beatriz G., Govender, Thavendran, Kruger, Hendrik G., El-Faham, Ayman, Albericio, Fernando

Journal:

Year:

2016

Language:

english

File:

PDF, 509 KB

english, 2016

98

Utilization of N,N,N′,N′-Tetramethylfluoroformamidinium Hexafluorophosphate (TFFH) in Peptide and Organic Synthesis

El-Faham, Ayman, Khattab, Sherine

Journal:

Year:

2009

Language:

english

File:

PDF, 695 KB

english, 2009

99

Synthesis and Biological Evaluation of a Teixobactin Analogue

Jad, Yahya E., Acosta, Gerardo A., Naicker, Tricia, Ramtahal, Melissa, El-Faham, Ayman, Govender, Thavendran, Kruger, Hendrik G., Torre, Beatriz G. de la, Albericio, Fernando

Journal:

Organic Letters

Year:

2015

Language:

english

File:

PDF, 654 KB

english, 2015

100

Molecular structure and DFT investigations on new cobalt(II) chloride complex with superbase guanidine type ligand

SOLIMAN, SAIED M, M ABU-YOUSSEF, MORSY A, ALBERING, JÖRG, EL-FAHAM, AYMAN

Journal:

Journal of Chemical Sciences

Year:

2015

Language:

english

File:

PDF, 1.65 MB

english, 2015