All Stories

  1. Pyrolysis of azetidinone derivatives: a versatile route towards electron-rich alkenes, C-1 allylation and/or homologation of aldehydes

    Article • RSC Advances, January 2014, Royal Society of Chemistry

    Professor Yehia A. Ibrahim

  2. Improved microwave synthesis of unsymmetrical N,N'-diaryl-1,2-aminoethane and imidazolidinium salts as precursors of N-heterocyclic carbenes

    Article • RSC Advances, January 2014, Royal Society of Chemistry

    Professor Yehia A. Ibrahim

  3. Sequential Staudinger ketene–imine cycloaddition, RCM approach to polycyclic macrocyclic bisazetidinones

    Article • RSC Advances, January 2013, Royal Society of Chemistry

    Professor Yehia A. Ibrahim

  4. Unexpected Behavior of Enaminones: Interesting New Routes to 1,6-Naphthyridines, 2-Oxopyrrolidines and Pyrano[4,3,2-de][1,6]naphthyridines

    Article • Molecules, December 2012, MDPI AG

    Professor Yehia A. Ibrahim

  5. Enaminones in a multicomponent synthesis of 4-aryldihydropyridines for potential applications in photoinduced intramolecular electron-transfer systems

    Article • Beilstein Journal of Organic Chemistry, March 2012, Beilstein Institut

    Professor Yehia A. Ibrahim

  6. ChemInform Abstract: Stereoselective Synthesis of Dihydrothiadiazinoazines and Dihydrothiadiazinoazoles and Their Pyrolytic Desulfurization Ring Contraction.

    Article • ChemInform, December 2011, Wiley

    Professor Yehia A. Ibrahim

  7. Stereoselective synthesis of dihydrothiadiazinoazines and dihydrothiadiazinoazoles and their pyrolytic desulfurization ring contraction

    Article • Tetrahedron, August 2011, Elsevier

    Professor Yehia A. Ibrahim

  8. Pyrolysis of 3-hydroxy-2-arylhydrazonoalkanoic acid derivatives

    Article • Tetrahedron, February 2011, Elsevier

    Professor Yehia A. Ibrahim

  9. Sequential Staudinger Ketene−Imine Cycloaddition, RCM Approach to Highly Rigid Macrocrocyclic Bisazetidinones

    Article • The Journal of Organic Chemistry, June 2010, American Chemical Society (ACS)

    Professor Yehia A. Ibrahim

  10. Gas-Phase Pyrolytic Reaction of 4-Aryl-3-buten-2-ols and Allyl Benzyl Ethers: Kinetic and Mechanistic Study

    Article • Molecules, January 2010, MDPI AG

    Professor Yehia A. Ibrahim

  11. A direct synthetic approach to uracil anhydrothionucleoside derivatives

    Article • Carbohydrate Research, November 2009, Elsevier

    Professor Yehia A. Ibrahim

  12. Staudinger Ketene−Imine Cycloaddition, RCM Approach to Macrocrocyclic Bisazetidinones

    Article • The Journal of Organic Chemistry, May 2009, American Chemical Society (ACS)

    Professor Yehia A. Ibrahim

  13. ChemInform Abstract: Pyrolytic Desulfurization Ring Contraction of Condensed Thiadiazines as a General Route Towards Pyrazoloazines and Pyrazoloazoles with a Bridgehead (Ring Junction) Nitrogen Atom.

    Article • ChemInform, February 2009, Wiley

    Professor Yehia A. Ibrahim

  14. ChemInform Abstract: An Improved Direct Synthetic Approach to Anhydronucleosides (II).

    Article • ChemInform, November 2008, Wiley

    Professor Yehia A. Ibrahim

  15. Pyrolytic desulfurization ring contraction of condensed thiadiazines as a general route towards pyrazoloazines and pyrazoloazoles with a bridgehead (ring junction) nitrogen atom

    Article • Tetrahedron, November 2008, Elsevier

    Professor Yehia A. Ibrahim

  16. ChemInform Abstract: Gas‐Phase Thermolysis of Benzotriazole Derivatives. Part 4. Pyrolysis of 1‐Acylbenzotriazole Phenylhydrazones. Interesting Direct Routes Towards N‐Aminobenzimidazoles.

    Article • ChemInform, August 2008, Wiley

    Professor Yehia A. Ibrahim

  17. An improved direct synthetic approach to anhydronucleosides

    Article • Tetrahedron, August 2008, Elsevier

    Professor Yehia A. Ibrahim

  18. Gas‐phase thermolysis of benzotriazole derivatives. Part 4. Pyrolysis of 1‐acylbenzotriazole phenylhydrazones. Interesting direct routes towards N‐aminobenzimidazoles

    Article • Journal of Heterocyclic Chemistry, May 2008, Wiley

    Professor Yehia A. Ibrahim

  19. Gas-phase thermolysis of condensed-1,2,4-triazines: interesting routes toward heterocyclic ring systems

    Article • Tetrahedron, December 2007, Elsevier

    Professor Yehia A. Ibrahim

  20. Synthesis of azacrown sulfonamides via ring closing metathesis and their evaluation in lithium ion selective electrodes

    Article • ARKIVOC, November 2007, University of Michigan Library

    Professor Yehia A. Ibrahim

  21. Application of Ring Closing Metathesis in Efficient Syntheses of Macrocyclic Crown Compounds

    Article • ChemInform, June 2007, Wiley

    Professor Yehia A. Ibrahim

  22. Comparative studies on the pyrolysis of N‐arylideneaminoamides: Kinetic and mechanistic studies

    Article • International Journal of Chemical Kinetics, December 2006, Wiley

    Professor Yehia A. Ibrahim

  23. Synthesis of Olefinic Crown Diamides and their Conversion into Pyrazolino Macrocycles: Promising Photoluminescent Crown Compounds

    Article • Synthesis, October 2006, Thieme Publishing Group

    Professor Yehia A. Ibrahim

  24. Application of ring closing metathesis in efficient synthesis of macrocyclic crown compounds

    Article • Journal of Molecular Catalysis A Chemical, July 2006, Elsevier

    Professor Yehia A. Ibrahim

  25. Comparative studies for selective deprotection of the N-arylideneamino moiety from heterocyclic amides: kinetic and theoretical studies. Part 2

    Article • Tetrahedron, June 2006, Elsevier

    Professor Yehia A. Ibrahim

  26. Efficient Synthesis of 18—40 Membered Macrocyclic Polyoxadiamides and Polyoxatetraamides via Ring Closing Metathesis.

    Article • ChemInform, May 2006, Wiley

    Professor Yehia A. Ibrahim

  27. Comparative studies for selective deprotection of the N-arylideneamino moiety from heterocyclic amides: kinetic and theoretical studies

    Article • Tetrahedron, February 2006, Elsevier

    Professor Yehia A. Ibrahim

  28. Efficient synthesis of 18–40 membered macrocyclic polyoxadiamides and polyoxatetraamides via ring closing metathesis

    Article • Tetrahedron, January 2006, Elsevier

    Professor Yehia A. Ibrahim

  29. Gas-phase thermolysis of 1-acylnaphtho[1,8-de][1,2,3]triazines. Interesting direct routes towards condensed naphtho[1,8-de]heterocyclic ring systems

    Article • Tetrahedron, October 2005, Elsevier

    Professor Yehia A. Ibrahim

  30. Gas-phase thermolysis of benzotriazole derivatives. Part 3: Kinetic and mechanistic evidence for biradical intermediates in pyrolysis of aroylbenzotriazoles and related compounds

    Article • Tetrahedron, August 2005, Elsevier

    Professor Yehia A. Ibrahim

  31. A Novel Simple Pyrolytic Approach Towards Anhydronucleosides.

    Article • ChemInform, March 2005, Wiley

    Professor Yehia A. Ibrahim

  32. A novel simple pyrolytic approach towards anhydronucleosides

    Article • Tetrahedron Letters, January 2005, Elsevier

    Professor Yehia A. Ibrahim

  33. Gas-phase thermolysis of thieno[3,2-e][1,2,4]triazines. Interesting routes towards heterocyclic ring systems

    Article • Tetrahedron, October 2004, Elsevier

    Professor Yehia A. Ibrahim

  34. Efficient route to 20–32 membered macrocyclic crown diamides via ring closing metathesis

    Article • Tetrahedron, September 2004, Elsevier

    Professor Yehia A. Ibrahim

  35. New Trends in the Chemistry of Condensed Heteromacrocycles. Part B. Macrocyclic Formazans

    Article • ChemInform, August 2004, Wiley

    Professor Yehia A. Ibrahim

  36. Gas‐phase thermolysis of benzotriazole derivatives: part 1—synthesis of α‐N(1)‐ andN(2)‐benzotriazolyl ketones and kinetics and mechanism of their gas‐phase pyrolysis

    Article • Journal of Physical Organic Chemistry, March 2004, Wiley

    Professor Yehia A. Ibrahim

  37. New trends in the chemistry of condensed heteromacrocycles part B: Macrocyclic formazans

    Article • Journal of Heterocyclic Chemistry, March 2004, Wiley

    Professor Yehia A. Ibrahim

  38. Gas‐Phase Thermolysis of Benzotriazole Derivatives. Part 2. Synthesis of Benzimidazo[1,2‐b]cinnolines, a Novel Heterocyclic Ring System, by Pyrolysis of Benzotriazole Derivatives. Kinetic and Mechanistic Study.

    Article • ChemInform, February 2004, Wiley

    Professor Yehia A. Ibrahim

  39. Intramolecular [4 + 2] Cycloaddition of Thieno[2,3‐e][1,2,4]triazines: Routes Towards Condensed Thieno[2,3‐b]pyridines.

    Article • ChemInform, January 2004, Wiley

    Professor Yehia A. Ibrahim

  40. Efficient Synthesis of 16‐28 Membered Macrocyclic Crown Amides via Ring Closing Metathesis.

    Article • ChemInform, November 2003, Wiley

    Professor Yehia A. Ibrahim

  41. Regioselective synthesis of 1,2,4‐triazin‐5‐one via gas‐phase pyrolysis of 4‐arylidenimino‐3(2H)‐thioxo‐1,2,4‐triazin‐5(4H)‐one. Kinetic and mechanistic study

    Article • Journal of Physical Organic Chemistry, November 2003, Wiley

    Professor Yehia A. Ibrahim

  42. Gas-phase thermolysis of benzotriazole derivatives. Part 2: Synthesis of benzimidazo[1,2-b]cinnolines, a novel heterocyclic ring system, by pyrolysis of benzotriazole derivatives. Kinetic and mechanistic study

    Article • Tetrahedron, November 2003, Elsevier

    Professor Yehia A. Ibrahim

  43. Intramolecular 4+2 cycloaddition of thieno[2,3-e][1,2,4]triazines: routes towards condensed thieno[2,3-b]pyridines

    Article • Tetrahedron, October 2003, Elsevier

    Professor Yehia A. Ibrahim

  44. Efficient synthesis of 16–28 membered macrocyclic crown amides via ring closing metathesis

    Article • Tetrahedron, September 2003, Elsevier

    Professor Yehia A. Ibrahim

  45. Flash vacuum pyrolysis of azo and nitrosophenols: new routes towards hydroxyarylnitrenes and their reactions

    Article • Tetrahedron, July 2003, Elsevier

    Professor Yehia A. Ibrahim

  46. Regioselective Synthesis of 1,2,4‐Triazol‐3(2H)‐ones and Their 3(2H)‐Thiones: Kinetic Studies and Selective Pyrolytic Deprotection.

    Article • ChemInform, May 2003, Wiley

    Professor Yehia A. Ibrahim

  47. Structural Characterization of Different Asphaltenes of Kuwaiti Origin

    Article • Petroleum Science and Technology, January 2003, Taylor & Francis

    Professor Yehia A. Ibrahim

  48. Regioselective synthesis of 1,2,4‐triazol‐3(2H)‐ones and their 3(2H)‐thiones: Kinetic studies and selective pyrolytic deprotection

    Article • Heteroatom Chemistry, January 2003, Wiley

    Professor Yehia A. Ibrahim

  49. Efficient Atom Economic Approaches Towards Macrocyclic Crown Diamides via Ring‐Closing Methathesis.

    Article • ChemInform, December 2002, Wiley

    Professor Yehia A. Ibrahim

  50. Efficient Highly Stereoselective Synthesis of Olefinic Macrocyclic Crown‐Formazans with the Z‐Configuration via Ring‐Closure Metathesis.

    Article • ChemInform, December 2002, Wiley

    Professor Yehia A. Ibrahim

  51. Efficient Atom Economic Approaches Towards Macrocyclic Crownamides via Ring Closure Metathesis.

    Article • ChemInform, September 2002, Wiley

    Professor Yehia A. Ibrahim

  52. Efficient atom economic approaches towards macrocyclic crown diamides via ring-closing metathesis

    Article • Tetrahedron Letters, September 2002, Elsevier

    Professor Yehia A. Ibrahim

  53. Efficient highly stereoselective synthesis of olefinic macrocyclic crown-formazans with the Z-configuration via ring-closure metathesis

    Article • Tetrahedron Letters, September 2002, Elsevier

    Professor Yehia A. Ibrahim

  54. Efficient atom economic approaches towards macrocyclic crownamides via ring closure metathesis

    Article • Tetrahedron Letters, June 2002, Elsevier

    Professor Yehia A. Ibrahim

  55. Gas‐phase elimination reactions of 4‐arylideneimino‐2‐cyanoethyl‐1,2,4‐triazol‐3(2H)‐ones, their thione analogues and 2‐glucosyl‐1,2,4‐triazole‐3(2H)‐thiones: a kinetic and mechanistic study

    Article • Journal of Physical Organic Chemistry, April 2002, Wiley

    Professor Yehia A. Ibrahim

  56. Synthetic Approaches towards [1]Benzopyrano [4,3-b]Thieno[2,3-e]Pyridines via Intramolecular Diels-Alder Reactions of 1,2,4-Triazines

    Article • Journal of Chemical Research, February 2002, SAGE Publications

    Professor Yehia A. Ibrahim

  57. ChemInform Abstract: Flash Vacuum Pyrolysis of 3‐Aroylcinnolines: Interesting Routes Toward Polynuclear Aromatic Compounds.

    Article • ChemInform, January 2002, Wiley

    Professor Yehia A. Ibrahim

  58. Flash vacuum pyrolysis of 3-oxo-2-arylhydrazonopropanals and related derivatives

    Article • Tetrahedron, December 2001, Elsevier

    Professor Yehia A. Ibrahim

  59. Flash vacuum pyrolysis of 3-aroylcinnolines: interesting routes toward polynuclear aromatic compounds

    Article • Tetrahedron, August 2001, Elsevier

    Professor Yehia A. Ibrahim

  60. ChemInform Abstract: Efficient Synthesis of 3‐Aroylcinnolines from Aryl Methyl Ketones.

    Article • ChemInform, July 2001, Wiley

    Professor Yehia A. Ibrahim

  61. Gas‐phase elimination reactions of 4‐arylideneimino‐1,2,4‐triazol‐3(2H)‐ones and their 3(2H)‐thione analogues

    Article • Journal of Physical Organic Chemistry, June 2001, Wiley

    Professor Yehia A. Ibrahim

  62. Gas‐phase pyrolysis in organic synthesis. Part 3: Novel cyclization of 2‐arylhydrazonopropanals into cinnolines1

    Article • International Journal of Chemical Kinetics, June 2001, Wiley

    Professor Yehia A. Ibrahim

  63. Efficient synthesis of 3-aroylcinnolines from aryl methyl ketones

    Article • Tetrahedron, February 2001, Elsevier

    Professor Yehia A. Ibrahim

  64. ChemInform Abstract: Regioselective Synthesis of Spiro[naphthalene‐2(1H),3′‐[3H]pyrazol]‐1‐ones Utilizing 1,3‐Dipolar Cycloaddition of Nitrilimines.

    Article • ChemInform, August 2000, Wiley

    Professor Yehia A. Ibrahim

  65. ChemInform Abstract: Selective Synthesis and Structure of 6‐Arylvinyl‐2‐ and 4‐Glucosyl‐1,2,4‐triazines of Expected Interesting Biological Activity.

    Article • ChemInform, March 2000, Wiley

    Professor Yehia A. Ibrahim

  66. ChemInform Abstract: Synthesis and Structure of [1,2]Thiaphospholo[4,5‐e][1,2,4]triazines.

    Article • ChemInform, February 2000, Wiley

    Professor Yehia A. Ibrahim

  67. ChemInform Abstract: 3‐Allylsalicylaldehyde and 3‐Allylsalicylic Acid Derivatives: Synthesis and Conversion to Allyl‐Crown Compounds as New Potential Precursors for Polymer Supported Crown Compounds.

    Article • ChemInform, January 2000, Wiley

    Professor Yehia A. Ibrahim

  68. Regioselective Synthesis of Spiro[Naphthalene-2(1H),3′-[3H]Pyrazol]-1-Ones Utilizing 1,3-Dipolar Cycloaddition of Nitrilimines

    Article • Journal of Chemical Research, January 2000, SAGE Publications

    Professor Yehia A. Ibrahim

  69. Synthesis and structure of [1,2]thiaphospholo[4,5-e][1,2,4]triazines

    Article • Tetrahedron, November 1999, Elsevier

    Professor Yehia A. Ibrahim

  70. Selective Synthesis and Structure of 6-Arylvinyl-2- and 4-Glucosyl-1,2,4-triazines of Expected Interesting Biological Activity

    Article • Nucleosides and Nucleotides, October 1999, Taylor & Francis

    Professor Yehia A. Ibrahim

  71. ChemInform Abstract: Interesting Synthetic Approaches Towards [1]Benzopyrano[4,3‐b]quinolines via Intramolecular Reaction of Nitrilium Salts.

    Article • ChemInform, September 1999, Wiley

    Professor Yehia A. Ibrahim, Ahmed Moustafa

  72. ChemInform Abstract: Synthetic Approaches Towards New Bisformazans and Bisverdazyls.

    Article • ChemInform, March 1999, Wiley

    Professor Yehia A. Ibrahim

  73. Interesting Synthetic Approaches Towards [1]Benzopyrano[4,3-b]quinolines via Intramolecular Reaction of Nitrilium Salts

    Article • Journal of Chemical Research Synopses, January 1999, Royal Society of Chemistry

    Professor Yehia A. Ibrahim

  74. 3-Allylsalicylaldehyde and 3-Allylsalicylic Acid Derivatives: Synthesis and Conversion to Allyl-crown Compounds as New Potential Precursors for Polymer Supported Crown Compounds

    Article • Journal of Chemical Research Synopses, January 1999, Royal Society of Chemistry

    Professor Yehia A. Ibrahim

  75. Seventeen new 14- and 15-crown-formazans: their synthesis and evaluation in spectrophotometric determination of lithium1

    Article • Talanta, December 1998, Elsevier

    Professor Yehia A. Ibrahim

  76. Evaluation of some new 14- and 15-crown-formazans as carriers in cesium ion selective electrodes1

    Article • Talanta, December 1998, Elsevier

    Professor Yehia A. Ibrahim

  77. Synthetic Approaches towards New Bisformazans and Bisverdazyls

    Article • Journal of Chemical Research Synopses, January 1998, Royal Society of Chemistry

    Professor Yehia A. Ibrahim

  78. Synthesis of New 14- and 15-Crown-Formazans and their Evaluation in Spectrophotometric Determination of Lithium

    Article • Supramolecular Chemistry, January 1998, Taylor & Francis

    Professor Yehia A. Ibrahim

  79. Salicylaldehyde Derivatives as Building Blocks in the Synthesis of Useful Open Chain and Macrocyclic Crown Compounds

    Article • Journal of Chemical Research Synopses, January 1998, Royal Society of Chemistry

    Professor Yehia A. Ibrahim

  80. Synthesis of formazan-3-yltriazolium salts: A new class of formazan and crown-formazan derivatives of expected useful applications

    Article • Tetrahedron, June 1997, Elsevier

    Professor Yehia A. Ibrahim

  81. Synthetic Approaches Towards5H -Indeno[1,2-b ]pyridines

    Article • Journal of Chemical Research Synopses, January 1997, Royal Society of Chemistry

    Professor Yehia A. Ibrahim

  82. 1,3-Dipolar Cycloaddition of Arylnitrile Oxides to Some Exocyclic Alkenes and Regioselective Synthesis of Spiro Isoxazolines

    Article • Journal of Chemical Research Synopses, January 1997, Royal Society of Chemistry

    Professor Yehia A. Ibrahim

  83. Synthetic approaches toward macrocyclic sulfonyl crown formazans

    Article • Heteroatom Chemistry, January 1996, Wiley

    Professor Yehia A. Ibrahim

  84. Thienopyrimidines: Synthesis, Reactions, and Biological Activity

    Article • January 1996, Elsevier

    Professor Yehia A. Ibrahim

  85. ON THE SEARCH FOR THE REGIOSELECTIVE PHOSPHORYLATION OF 1,2,4-TRIAZINES BY CYCLIC, ACYCLIC PHOSPHITES AND TRIPHENYLPHOSPHINE

    Article • Phosphorus Sulfur and Silicon and the Related Elements, April 1995, Taylor & Francis

    Professor Yehia A. Ibrahim

  86. Synthesis of chromophoric bisazocrowndilactams

    Article • Heteroatom Chemistry, March 1995, Wiley

    Professor Yehia A. Ibrahim

  87. Synthesis and potentiometric selectivity study of new spiro-14-crown-4 derivatives

    Article • Supramolecular Chemistry, November 1994, Taylor & Francis

    Professor Yehia A. Ibrahim

  88. Stereospecific synthesis of 6,7‐dihydro‐5H‐1,2,4‐triazolo[3,4‐b][1,3,4]thiadiazines

    Article • Heteroatom Chemistry, August 1994, Wiley

    Professor Yehia A. Ibrahim

  89. Synthesis and rearrangement of triazinoquinazolines

    Article • Heteroatom Chemistry, April 1994, Wiley

    Professor Yehia A. Ibrahim

  90. New synthesis of macrocyclic crown-formazans from pyruvic acid derivatives

    Article • Tetrahedron, January 1994, Elsevier

    Professor Yehia A. Ibrahim

  91. Efficient Synthesis of a Range of Benzo-Substituted Macrocyclic Diamides

    Article • Synthesis, January 1993, Thieme Publishing Group

    Professor Yehia A. Ibrahim

  92. Synthesis and structure of some condensed quinazolines

    Article • Liebigs Annalen der Chemie, August 1990, Wiley

    Professor Yehia A. Ibrahim

  93. Synthesis and structure of some thiazole derivatives

    Article • Liebigs Annalen der Chemie, April 1990, Wiley

    Professor Yehia A. Ibrahim

  94. Synthesis and reactions of 3‐thioxo[1,2,4]‐triazino[3,2‐b]quinazolin‐10‐ones

    Article • Journal of Heterocyclic Chemistry, March 1990, Wiley

    Professor Yehia A. Ibrahim

  95. Synthesis and potentiometric study of acyclic monoxadiamides as ionophores in ion‐selective electrodes

    Article • Electroanalysis, February 1990, Wiley

    Professor Yehia A. Ibrahim

  96. Synthesis and structure of as-triazinoquinazolines. 3

    Article • The Journal of Organic Chemistry, January 1990, American Chemical Society (ACS)

    Professor Yehia A. Ibrahim

  97. Synthesis and potentiometric selectivity study of 14-cyclic dioxadiamides.

    Article • Analytical Sciences, January 1990, Japan Society for Analytical Chemistry

    Professor Yehia A. Ibrahim

  98. Potentiometric selectivity study of TMC-crown formazane lonophore for cesium

    Article • Microchemical Journal, February 1988, Elsevier

    Professor Yehia A. Ibrahim

  99. Cyclosdditions with Acylhydrazones. Selective Diastereomeric Pyrazolidine Synthesis and Nitrile Acylimine Synthons

    Article • Heterocycles, January 1988, Japan Institute of Heterocyclic Chemistry

    Professor Yehia A. Ibrahim

  100. Use of a flow-injection system in the evaluation of the characteristic behavior of neutral carriers in lithium ion-selective electrodes

    Article • Analytica Chimica Acta, January 1986, Elsevier

    Professor Yehia A. Ibrahim

  101. Chemistry of quinazolines: Reinvestigation of the action of hydrazine on thioxo derivatives

    Article • Journal of Heterocyclic Chemistry, November 1985, Wiley

    Professor Yehia A. Ibrahim

  102. Synthesis and structure of 6‐ and 7‐(acylmethyl)pteridines

    Article • Journal of Heterocyclic Chemistry, May 1985, Wiley

    Professor Yehia A. Ibrahim

  103. Lipophillic Lithium Ion carrier in a Lithium Ion Selective Electrode

    Article • Analytical Chemistry, February 1985, American Chemical Society (ACS)

    Professor Yehia A. Ibrahim

  104. Reactions and rearrangement of 2,4‐quinazolinediones. An efficient simple synthesis of 3‐amino‐1H,3H‐quinazolinedione

    Article • Journal of Heterocyclic Chemistry, September 1984, Wiley

    Professor Yehia A. Ibrahim

  105. The behavior of 6‐p‐chlorostyryl‐3‐thioxo‐1,2,4‐triazin‐5‐one toward phenylmagnesium bromide

    Article • Journal of Heterocyclic Chemistry, May 1984, Wiley

    Professor Yehia A. Ibrahim

  106. Synthesis and Structures of as‐Triazinoquinazolines, I

    Article • Chemische Berichte, March 1984, Wiley

    Professor Yehia A. Ibrahim

  107. Synthesis and Structure of as‐Triazinoquinazolines, II

    Article • Chemische Berichte, March 1984, Wiley

    Professor Yehia A. Ibrahim

  108. Reaction of 4‐Amino‐1,2,4‐triazines with phosphorus pentasulfide. Deamination during aromatization

    Article • Journal of Heterocyclic Chemistry, November 1983, Wiley

    Professor Yehia A. Ibrahim

  109. Condensed 1,2,4‐triazines. Regioselective condensations with benzo[h]quinoline‐5,6‐dione

    Article • Journal of Heterocyclic Chemistry, September 1983, Wiley

    Professor Yehia A. Ibrahim

  110. Synthesis of thieno[2,3‐e]‐1,2,4‐triazines

    Article • Journal of Heterocyclic Chemistry, July 1982, Wiley

    Professor Yehia A. Ibrahim

  111. Efficient syntheses of thieno[2,3‐b]quinoxalines

    Article • Journal of Heterocyclic Chemistry, May 1982, Wiley

    Professor Yehia A. Ibrahim

  112. Rearrangement of 3‐arylhydantoins into 3‐aminoglycocyamidines

    Article • Journal of Heterocyclic Chemistry, January 1982, Wiley

    Professor Yehia A. Ibrahim

  113. Hydrazones as New 4-Electrons Three Atomic Centers in Cycloaddition Reactions: A Novel Approach for the Synthesis of Pyrazole Derivatives

    Article • Heterocycles, January 1982, Japan Institute of Heterocyclic Chemistry

    Professor Yehia A. Ibrahim

  114. Rearrangement of 4‐aryl‐1,2,4‐triazine into the 4‐amino derivatives

    Article • Journal of Heterocyclic Chemistry, December 1980, Wiley

    Professor Yehia A. Ibrahim

  115. Synthesis of 4‐imidazolin‐2‐ones via the birch reduction of hydantoins

    Article • Journal of Heterocyclic Chemistry, June 1978, Wiley

    Professor Yehia A. Ibrahim

  116. Condensed 1,2,4‐Triazines I: Behaviour of Phenanthro[9,10‐e]‐1,2,4‐triazine Derivatives Towards Alkylating and Reducing Agends, Grignard Reagents, and Amines

    Article • Helvetica Chimica Acta, June 1976, Wiley

    Professor Yehia A. Ibrahim

  117. Reactions of 2‐Aryl‐2H‐naphtho[1,2‐d]v‐triazole‐4,5‐quinones with aldehydes, alkenes and grignard reagents

    Article • January 1973, Wiley

    Professor Yehia A. Ibrahim

  118. Studies on 1,2,4‐triazine derivatives. II. Reactions of Some Derivatives of 1,2,4‐Triazine with organomagnesium halides, hydrogen peroxide and p‐thiocresol

    Article • January 1972, Wiley

    Professor Yehia A. Ibrahim