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1

ChemInform Abstract: Studies with Polyfunctionally Substituted Heteroaromatics: Synthesis of New Heterocyclic Aromatic Amines as Potential Intermediates for Preparation of Dyes for Thermal Diffusion Printing.

Ayman Wahba Erian, Ebtisam Abdul Aziz Hafez, Elham Sayed Darwish, Mohamed Hilmy Elnagdi

Journal:

Year:

1999

File:

PDF, 30 KB

1999

2

The chemistry of .beta.-enaminonitriles as versatile reagents in heterocyclic synthesis

Erian, Ayman Wahba.

Journal:

Chemical Reviews

Year:

1993

Language:

english

File:

PDF, 1.96 MB

english, 1993

3

β-Enaminoesters as building blocks in heterocyclic synthesis. A novel synthesis of fused azines by using blaise reaction as a key step

Journal:

Advanced Synthesis & Catalysis

Year:

1999

Language:

english

File:

PDF, 60 KB

english, 1999

4

New routes to polyfunctionally substituted pyridine, pyridopyridine, quinoline, and pyridazine derivatives

Mohamed H. Elnagdi, Ayman W. W. Erian

Journal:

Archiv der Pharmazie

Year:

1991

Language:

english

File:

PDF, 428 KB

english, 1991

5

Light-Induced [2 + 2] Cycloaddition of 2-Morpholinoacrylonitrile to 1-Naphthalenecarbonitrile

Dietrich Düpp, Ayman Wahba Erian, Gerald Henkel

Journal:

European Journal of Inorganic Chemistry

Year:

1993

Language:

english

File:

PDF, 402 KB

english, 1993

6

ChemInform Abstract: β-Enaminoesters as Building Blocks in Heterocyclic Synthesis. A Novel Synthesis of Fused Azines by Using Blaise Reaction as a Key Step.

Journal:

Year:

1999

File:

PDF, 37 KB

1999

7

ChemInform Abstract: Phosphonium Ylides in Organic Synthesis. Part 3. A Novel Synthesis of α-Substituted Ylides and Pyrazole Systems.

Ayman W. Erian, Nadia R. Mohamed, Hamdi M. Hassaneen

Journal:

Year:

1999

File:

PDF, 30 KB

1999

8

ChemInform Abstract: Diethyl 2-Aryl-3-cyanopropene-1,1-dicarboxylates: New Versatile Precursors in Heterocyclic Synthesis.

Ayman W. Erian, Vivian F. Araki, Suzan I. Aziz, Sherif M. Sherif

Journal:

Year:

1999

File:

PDF, 33 KB

1999

9

ChemInform Abstract: The Chemistry of Thiocyanic Esters

Ayman W. Erian, Sherif M. Sherif

Journal:

Year:

1999

File:

PDF, 23 KB

1999

10

ChemInform Abstract: A Novel Synthesis of Sulfone Systems as Antimicrobial Agents.

Ayman W. Erian, Yvette A. Issac, Sherif M. Sherif

Journal:

Year:

2000

File:

PDF, 31 KB

2000

11

ChemInform Abstract: Heterocyclic Sulfones. Part 4. A Novel Synthesis of Pyrrole and Fused Heterocyclic Sulfones.

Ayman Wahba Erian, Yvette Abd El-sayed Issac, Sherif Mourad Sherif, Fivian Farouk Mahmoud

Journal:

Year:

2001

File:

PDF, 34 KB

2001

12

ChemInform Abstract: Recent Trends in the Chemistry of Fluorinated Five and Six-Membered Heterocycles

Ayman Wahba Erian

Journal:

Year:

2001

File:

PDF, 25 KB

2001

13

Heterocyclic Synthesis with Activated Nitriles: An Expeditious Synthetic Approach to Polyfunctionally Substituted Pyrroles, Heterocyclopyrimidines and Coumarins.

Ayman W. Erian, Sherif M. Sherif, Nadia R. Mohamed

Journal:

Year:

2003

File:

PDF, 162 KB

2003

14

An Aminoimidazole and Its Utility in Heterocyclic Synthesis.

Yehya M. Elkholy, Ayman W. Erian

Journal:

Year:

2003

File:

PDF, 118 KB

2003

15

The Chemistry of α-Haloketones and Their Utility in Heterocyclic Synthesis

Ayman W. Erian, Sherif M. Sherif, Hatem M. Gaber

Journal:

Year:

2005

File:

PDF, 15 KB

2005

16

An aminoimidazole and its utility in heterocyclic synthesis

Yehya M. Elkholy, Ayman W. Erian

Journal:

Heteroatom Chemistry

Year:

2003

Language:

english

File:

PDF, 75 KB

english, 2003

17

Studies with polyfunctionally substituted heteroaromatics: 2-Phenyl-4-p-tolylhydrazono-2-oxazoline-5-one as a precursor for the synthesis of substituted 1,2,4-triazoles and pyridines

Mohamed Hilmy Elnagdi, Abdalla Mohamed Negm, Ayman Wahba Erian, Salah El-Kousy

Journal:

Heteroatom Chemistry

Year:

1995

Language:

english

File:

PDF, 296 KB

english, 1995

18

Recent trends in the Chemistry of fluorinated five and six-membered heterocycles

Ayman Wahba Erian

Journal:

Journal of Heterocyclic Chemistry

Year:

2001

Language:

english

File:

PDF, 284 KB

english, 2001

19

New routes to 1,3,4-oxadiazoles, 1,3,4-oxadiazolopyridines, and pyridopyridazines

Mohamed Hilmy Elnagdi, Nadia Sobhy Ibrahim, Fathy Mohamed Abdelrazek, Ayman Wahba Erian

Journal:

European Journal of Organic Chemistry

Year:

1988

Language:

english

File:

PDF, 286 KB

english, 1988

20

Studies with Alkylheteroaromatic π-Deficient Compounds: Novel Synthesis of Thieno[3,4-d]pyridazines and Phthalazines

Mohamed Hilmy Elnagdi, Abdalla Mohamed Negm, Ayman Wahba Erian

Journal:

European Journal of Organic Chemistry

Year:

1989

Language:

english

File:

PDF, 198 KB

english, 1989

21

Studies on alkyl-substituted, heteroaromatic carbonitriles: Novel synthesis of thienoazines and benzoazines

Mohamed Hilmy Elnagdi, Ayman Wahba Erian

Journal:

European Journal of Organic Chemistry

Year:

1990

Language:

english

File:

PDF, 563 KB

english, 1990

22

Electrolytic partial fluorination of organic compounds. 13: Selective anodic α-fluorination of nitrogen-containing heterocyclic sulfides and its application to the synthesis of fluorinated fused heterocycles

Ayman W. Erian, Akinori Konno, Toshio Fuchigami

Journal:

Tetrahedron Letters

Year:

1994

Language:

english

File:

PDF, 236 KB

english, 1994

23

β-enaminonitriles in heterocyclic synthesis: A novel synthesis and transformations of α-substituted-β-enaminonitriles

Ayman Wahba Erian, Sherif M. Sherif, Abdel-Zaber A. Alassar, Yehya M. Elkholy

Journal:

Year:

1994

Language:

english

File:

PDF, 486 KB

english, 1994

24

Studies on alkylheteroaromatic compounds. The reactivity of alkyl polyfunctionally substituted azines towards electrophilic reagents

Mohamed Hilmy Elnagdi, Fathy Mohamed Abdelrazek, Nadia Sobhy Ibrahim, Ayman Wahba Erian

Journal:

Year:

1989

Language:

english

File:

PDF, 481 KB

english, 1989

25

The chemistry of thiocyanic esters

Ayman W. Erian, Sherif M. Sherif

Journal:

Year:

1999

Language:

english

File:

PDF, 2.33 MB

english, 1999

26

2-Aryl-1,1-dicyano-3-phenylsulfonylpropenes in Heterocyclic Synthesis: A Synthetic Strategy Towards Heterocyclic Sulfones

Journal:

Monatshefte für Chemie - Chemical Monthly

Year:

1998

Language:

english

File:

PDF, 133 KB

english, 1998

27

Diethyl 2-Aryl-3-cyanopropene-1,1-dicarboxylates: New Versatile Precursors in Heterocyclic Synthesis

Ayman W. Erian, Vivian F. Araki, Suzan I. Aziz, Sherif M. Sherif

Journal:

Monatshefte für Chemie - Chemical Monthly

Year:

1999

Language:

english

File:

PDF, 135 KB

english, 1999

28

Studies with polyfunctionally substituted heteroaromatics: synthesis of new heterocyclic aromatic amines as potential intermediates for preparation of dyes for thermal diffusion printing

Erian, Ayman Wahba, Hafez, Ebtisam Abdul Aziz, Darwish, Elham Sayed, Elnagdi, Mohamed Hilmy

Journal:

Canadian Journal of Chemistry

Year:

1998

Language:

english

File:

PDF, 55 KB

english, 1998

29

Studies With Pyridinethiones: A Convenient Synthesis of Polyfunctionally Substituted Pyridine Ring Systems

Elkholy, Yehya Mahmoud, Abu-shanab, Fathi Ali, Erian, Ayman Wahba

Journal:

Phosphorus Sulfur and Silicon and the Related Elements

Year:

2000

Language:

english

File:

PDF, 304 KB

english, 2000

30

The Chemistry of α-Haloketones and Their Utility in Heterocyclic Synthesis

Erian, Ayman W., Sherif, Sherif M., Gaber, Hatem M.

Journal:

Year:

2003

Language:

english

File:

PDF, 509 KB

english, 2003

31

Heterocyclic sulfones. Part IV. A novel synthesis of pyrrole and fused heterocyclic sulfones

Erian, Ayman Wahba, El-sayed Issac, Yvette Abd, Sherif, Sherif Mourad, Mahmoud, Fivian Farouk

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

2000

Language:

english

File:

PDF, 150 KB

english, 2000

32

Phosphonium Ylides In Organic Synthesis III. 12 A Novel Synthesis Of α-Substituted Ylides and Pyrazole Systems

Erian, Ayman W., Mohamed, Nadia R., Hassaneen, Hamdi M.

Journal:

Synthetic Communications

Year:

1999

Language:

english

File:

PDF, 296 KB

english, 1999

33

Electrolytic Partial Fluorination of Organic Compounds. 19. A Novel Synthesis of Fluorothieno[2,3-b]pyridines Using Anodic Fluorination of Heterocyclic Sulfides as a Key Step

Erian, Ayman W., Konno, Akinori, Fuchigami, Toshio

Journal:

Journal of Organic Chemistry

Year:

1995

Language:

english

File:

PDF, 717 KB

english, 1995

34

Gnapholide: A New Guaiac-Dimer from Pulicaria Gnaphalodes (Asteraceae)

Ali, Muhammad Shaiq, Jahangir, Muhammad, Uzair, Syed Shah, Erian, Ayman Wahba, Tareen, Rasool Bakhsh

Journal:

Natural Product Letters

Year:

2002

Language:

english

File:

PDF, 158 KB

english, 2002

35

POLYFUNCTIONALLY SUBSTITUTED HETEROCYCLES: SYNTHESIS OF NEW POLYFUNCTIONALLY SUBSTITUTED PHTHALAZINES, PYRIDO[3,4-C]PYRIDAZINES AND PYRAZOLO[3,4-C]PYRIDAZINES

Erian, Ayman Wahba, Elkholy, Yehya Mahmoud, Al-arab, Elham Ezz, Elnagdf, Mohamed Hilmy

Journal:

Phosphorus Sulfur and Silicon and the Related Elements

Year:

1997

Language:

english

File:

PDF, 349 KB

english, 1997

36

The Utility of Phosphonium Ylides in Heterocyclic Synthesis: Synthesis of Pyridazinone and Tetrahydrocinnolinone Derivatives

Aly Nada, Afaf, Ragab Mohamed, Nadia, Mohamed Mahran, Asma, Wahba Erian, Ayman

Journal:

Journal of Chemical Research

Year:

1997

Language:

english

File:

PDF, 81 KB

english, 1997

37

Heterocyclic Synthesis with Activated Nitriles: An Expeditious Synthetic Approach to Polyfunctionally Substituted Pyrroles, Heterocyclopyrimidines and Coumarins

Erian, Ayman W., Sherif, Sherif M., Mohamed, Nadia R.

Journal:

Synthetic Communications

Year:

2003

Language:

english

File:

PDF, 217 KB

english, 2003

38

NEW ROUTES TO POLYFUNCTIONALLY SUBSTITUTED BENZENE. PYRIDAZINES AND THIOPHENE DERIVATIVES

Erian, Ayman Wahba, Abdel, Abu Zeid, Hassanien, Baset, Mohamed, Nadia Ragab

Journal:

Phosphorus Sulfur and Silicon and the Related Elements

Year:

1999

Language:

english

File:

PDF, 361 KB

english, 1999

39

HYDRAZONES IN HETEROCYCLIC SYNTHESIS; SYNTHESIS OF 1,3,4-THIADIAZOLE DERIVATIVES

Erian, Ayman Wahba, Manhi, Fatma Mohamed, Zayed, Salem El-Gohary, Ali, Fatma Ahmed, Elnagdi, Mohamed Hilmy

Journal:

Phosphorus Sulfur and Silicon and the Related Elements

Year:

1998

Language:

english

File:

PDF, 506 KB

english, 1998

40

REACTION OF PHOSPHORANES WITH CINNAMONITRILES. A NOVEL SYNTHESIS OF α-SUBSTITUTED PHOSPHONIUM YLIDES

Erian, Ayman Wahba, Mohamed, Nadia Ragab

Journal:

Phosphorus Sulfur and Silicon and the Related Elements

Year:

1997

Language:

english

File:

PDF, 277 KB

english, 1997

41

Heterocyclic Sulfonesiv: A Novel Synthesis of Pyrrole and Fused Heterocyclic Sulfones

Mahmoud, Fivian F., Mohamed, Nadia R., Sherif, Sherif M., Erian, Ayman W.

Journal:

Phosphorus Sulfur and Silicon and the Related Elements

Year:

2000

Language:

english

File:

PDF, 657 KB

english, 2000

42

STUDIES WITH POLYFUCTIONALLY SUBSTITUTED THIAZOLINES AND 1,2,4-TRIAZOLINES: SYNTHESIS AND CHEMICAL REACTIVITY OF 4-ARYLAZO-2 ISOPROPYLOXY-2-THIAZOLIN-5-ONES AND OF 4-ARYLIDENE-2-ISOPROPYLOXY-2-THIAZOLIN-5-ONES

Elnagdi, Mohamed Hilmy, Erian, Ayman Wahba, Elassar, Abdel Zaher, El-torgman, Abdel Moneim, El-mohamady, Mohamed

Journal:

Phosphorus Sulfur and Silicon and the Related Elements

Year:

1996

Language:

english

File:

PDF, 404 KB

english, 1996

43

A Novel Synthesis of Sulfone Systems as Antimicrobial Agents

Erian, Ayman W., Issac, Yvette A., Sherif, Sherif M.

Journal:

Zeitschrift für Naturforschung B

Year:

2000

Language:

english

File:

PDF, 5.47 MB

english, 2000

44

A NOVEL SYNTHESIS OF PHOSPHORUS HETEROCYCLES. REACTION OF α -HYDRAZIDOYL HALIDES WITH PHOSPHORANES AND LAWESSON'S REAGENT

Mohamed, Nadia R., El-Saidi, Manal M.T., Hassaneen, Hamdi M., Erian, Ayman W.

Journal:

Phosphorus Sulfur and Silicon and the Related Elements

Year:

2004

File:

PDF, 938 KB

2004

45

Nitriles in Heterocyclic Synthesis. A Novel Synthesis of 4-Phenacylpyrazole and Pyrrolo[2,3- c ]pyrazole Derivatives

Abdelrazek, Fathy Mohamed, Erian, Ayman Wahba, Hilmy, Khalid Mohamed Hassan

Journal:

Year:

1986

File:

PDF, 149 KB

1986

46

Novel synthesis of thiazole disperse dye derivatives

Mahmoud Elkholy, Yehya, Helmy Helal, Maher, wahba Erian, Ayman

Journal:

Pigment & Resin Technology

Year:

2001

Language:

english

File:

PDF, 152 KB

english, 2001

47

Synthesis of Substituted Azaindenes: Synthesis of New Pyrazolo[1,5- a ]pyrimidine Derivatives

Elnagdi, Mohamed Hilmy, Erian, Ayman Wahba

Journal:

Bulletin of the Chemical Society of Japan

Year:

1990

File:

PDF, 496 KB

1990

48

An Easy Direct Conversion of Pyridine- and Pyrimidine-Thiones into Multi-Fused Heterocyclic Compounds

Erian, Ayman Wahba, Abu-Shanab, Fathi Ali

Journal:

Bulletin of the Chemical Society of Japan

Year:

1998

File:

PDF, 664 KB

1998