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1

New Access to Pyrazole, Oxa(thia)diazole and Oxadiazine Derivatives.

Alaa A. Hassan, Kamal M. El-Shaieb, Raafat M. Shaker, Dietrich Doepp

Journal:

Year:

2005

File:

PDF, 22 KB

2005

2

ChemInform Abstract: Novel Reactions of [2.2]Paracyclophane-azomethines with Benzyne.

Ashraf A. Aly, Aboul-Fetouh E. Mourad, Kamal M. El-Shaieb, Henning Hopf

Journal:

Year:

2001

File:

PDF, 25 KB

2001

3

Thermolysis of Symmetrical Dithiobiurea and Thioureidoethylthiourea Derivatives.

Alaa A. Hassan, Aboul-Fetouh E. Mourad, Kamal M. El-Shaieb, Ashraf H. Abou-Zied, Dietrich Doepp

Journal:

Year:

2003

File:

PDF, 109 KB

2003

4

Phenylbiguanide as Electron Donor in Heterocyclic Synthesis.

Kamal M. El-Shaieb, Aboul-Fetouh E. Mourad, Alaa A. Hassan

Journal:

Year:

2004

File:

PDF, 97 KB

2004

5

ChemInform Abstract: A General Synthesis of 4-Arylaminoquinazoline-2-carbonitriles.

Kamal M. El-Shaieb, Henning Hopf, Peter G. Jones

Journal:

Year:

2009

File:

PDF, 26 KB

2009

6

ChemInform Abstract: Synthesis of 2-(2-Aminophenyl)-4-arylquinazoline Derivatives by Reaction of 2-Aminoarylbenzimidamides with Isatoic Anhydride.

Kamal M. El-Shaieb, Peter G. Jones

Journal:

Year:

2010

File:

PDF, 17 KB

2010

7

ChemInform Abstract: Synthesis of Benzonaphtho[1,4]diazepine Derivatives via the Reaction of 2-Aminoarylbenzimidamides with 2,3-Dichloro-1,4-naphthoquinone.

Kamal M. El-Shaieb

Journal:

Year:

2010

File:

PDF, 18 KB

2010

8

ChemInform Abstract: A General and a Simple Synthesis of {4-[(Z)-4-(Arylimino)-3,4-dihydroquinazolin-2(1H)-ylidene] cyclohexa-2,5-dien-1-ylidene} Malononitrile from the Reaction of 2-Amino-N′-arylbenzimidamides with 7,7,8,8-Tetracyanoquinodimethane.

Fathy F. Abd-Elatif, Kamal M. El-Shaieb, Ahmed G. El-Deen

Journal:

Year:

2011

File:

PDF, 26 KB

2011

9

ChemInform Abstract: New Tandem Cyclo- and/or Addition Reactions Between N-Arylisoindolines with Benzyne and Dimethyl Acetylenedicarboxylate.

Ashraf A. Aly, Alaa A. Hassan, Kamal M. El-Shaieb, Talaat I. El-Emary

Journal:

Year:

2011

File:

PDF, 29 KB

2011

10

ChemInform Abstract: Synthesis of (Z)-2-(4-(Arylimino)-3,4-dihydroquinazolin-2 (1H)-ylidene)-1H-indene-1,3(2H)dione Using 2-Amino-N′-aryl-benzimidamides as a Starting Material.

Fathy F. Abdel-Latif, Kamal M. El-Shaieb, Ahmed G. El-Deen

Journal:

Year:

2011

File:

PDF, 25 KB

2011

11

ChemInform Abstract: An Efficient Synthesis of 1-Thia-5-azaspiro[5.5]undec-2-ene and Its Recyclization to 1,5-Diazaspiro[5.5]undec-2-ene and/or Spiro-Thieno[2,3-d]pyrimidin-4(1H)-one Derivatives.

Raafat M. Shaker, Asmaa Hamoda, Yusria R. Ibrahim, Kamal M. El-Shaieb, Fathy F. Abdel-Latif

Journal:

Year:

2011

File:

PDF, 37 KB

2011

12

ChemInform Abstract: Facile Synthesis of New Imidazoles from Direct Reaction of 2,3-Diamino-1,4-naphthoquinone with Aldehydes.

Ashraf A. Aly, Alaa A. Hassan, Alan B. Brown, Kamal M. El-Shaieb, Tarek M. I. Bedair

Journal:

Year:

2011

File:

PDF, 29 KB

2011

13

ChemInform Abstract: An Efficient and Simple Route to Prospective Biologically Active Isoindoloquinazoline, Pyrimidine and Thiazine Derivatives Using 2-Amino-N′-arylbenzamidine and Related Compounds as Starting Materials.

Fathy F. Abdel-Latif, Kamal M. El-Shaieb, Ahmed G. El-Deen

Journal:

Year:

2012

File:

PDF, 38 KB

2012

14

ChemInform Abstract: Synthesis of Dibenzo[b,e][1,4]diazepine Derivatives.

Kamal M. El-Shaieb, Alaa A. Hassan, Amal S. Abdel-Aal

Journal:

Year:

2012

File:

PDF, 23 KB

2012

15

Thermolysis of symmetrical dithiobiurea and thioureidoethylthiourea derivatives

Alaa A. Hassan, Aboul-Fetouh E. Mourad, Kamal M. El-Shaieb, Ashraf H. Abou-Zied, Dietrich Döpp

Journal:

Heteroatom Chemistry

Year:

2003

Language:

english

File:

PDF, 102 KB

english, 2003

16

Phenylbiguanide as electron donor in heterocyclic synthesis

Kamal M. El-Shaieb, Aboul-Fetouh E. Mourad, Alaa A. Hassan

Journal:

Heteroatom Chemistry

Year:

2004

Language:

english

File:

PDF, 69 KB

english, 2004

17

New access to pyrazole, oxa(thia)diazole and oxadiazine derivatives

Alaa A. Hassan, Kamal M. El-Shaieb, Raafat M. Shaker, Dietrich Döpp

Journal:

Heteroatom Chemistry

Year:

2005

Language:

english

File:

PDF, 126 KB

english, 2005

18

Microwave irradiation assisted facile synthesis of new imidazole, pyrazine, and benzodiazocine derivatives using diaminomaleonitrile

Kamal M. El-Shaieb

Journal:

Heteroatom Chemistry

Year:

2006

Language:

english

File:

PDF, 102 KB

english, 2006

19

New tandem cyclo- and/or addition reactions between N-arylisoindolines with benzyne and dimethyl acetylenedicarboxylate

Ashraf A. Aly, Alaa A. Hassan, Kamal M. El-Shaieb, Talaat I. El-Emary

Journal:

Journal of Heterocyclic Chemistry

Year:

2010

Language:

english

File:

PDF, 114 KB

english, 2010

20

1,3,4-Thiadiazole, 1,3,4-thiadiazine, 1,3,6-thiadiazepane and quinoxaline derivatives from symmetrical hydrazine-1,2-dicarbothioamide as well as N, N″-ethane-1,2-diylbis(thiourea) derivatives

Alaa A. Hassan, Aboul-Fetouh E. Mourad, Kamal M. El-Shaieb, Ashraf H. Abou-Zied

Journal:

Journal of Heterocyclic Chemistry

Year:

2006

Language:

english

File:

PDF, 97 KB

english, 2006

21

Facile synthesis of new imidazoles from direct reaction of 2,3-diamino-1,4-naphthoquinone with aldehydes

Ashraf A. Aly, Alaa A. Hassan, Alan B. Brown, Kamal M. El-Shaieb, Tarek M. I. Bedair

Journal:

Journal of Heterocyclic Chemistry

Year:

2011

Language:

english

File:

PDF, 109 KB

english, 2011

22

Reaction of 1,8-diaminonaphthalene with some selected π-acceptors; prospective optically active non-linear cyanovinylated naphthalenes as well as synthesis of novel perimidin and pleiadene derivatives

Ashraf A Aly, Kamal M El-Shaieb

Journal:

Year:

2004

Language:

english

File:

PDF, 206 KB

english, 2004

23

ChemInform Abstract: The First Indazolimine-Arylazobenzonitrile Rearrangement.

Kamal M. El-Shaieb, Ludger Ernst, Rainer Kerssebaum

Journal:

Year:

2012

File:

PDF, 22 KB

2012

24

Life span extension ofCaenorhabditis elegansby novel pyridoperimidine derivative

Ahmed A. R. Sayed, Kamal M. El-Shaieb, Aboul-Fetouh E. Mourad

Journal:

Archives of Pharmacal Research

Year:

2012

Language:

english

File:

PDF, 505 KB

english, 2012

25

Synthesis of 1,2,4-triazepine and 1,2,5-triazocine derivatives from the reaction of 2-aminobenzohydrazide with π-acceptors

El-Shaieb, Kamal M., Ameen, Mohamed A., Abdel-Latif, Fathy F., Mohamed, Asmaa H.

Journal:

Journal of Chemical Research

Year:

2012

Language:

english

File:

PDF, 126 KB

english, 2012

26

ChemInform Abstract: Synthesis of Thiazine and Thiazepine Derivatives from (Z)-2-Cyano-3-mercapto-3-(phenylamino)acrylamide.

Kamal M. El-Shaieb, Fathy F. Abdel-Latif, Ahmed G. El-Din

Journal:

Year:

2012

File:

PDF, 27 KB

2012

27

NOVEL REACTIONS OF [2.2]PARACYCLOPHANE-AZOMETHINES WITH BENZYNE

Aly, Ashraf A., Mourad, Aboul-Fetouh E., El-Shaieb, Kamal M., Hopf, Henning

Journal:

Synthetic Communications

Year:

2001

Language:

english

File:

PDF, 118 KB

english, 2001

28

Synthesis of Thiazolidin-4-ones from Substituted (Ylidene)hydrazinecarbothioamides and Dimethyl Acetylenedicarboxylate

Hassan, Alaa A., Aly, Ashraf A., El-Shaieb, Kamal M. A., Bedair, Tarek M. I., Bräse, Stefan, Brown, Alan B.

Journal:

Journal of Heterocyclic Chemistry

Year:

2014

Language:

english

File:

PDF, 946 KB

english, 2014

29

A novel and facile synthesis of mesoionic 1,2,4-triazolium-3-thiolate derivatives

Hassan, Alaa A., El-Shaieb, Kamal M.A., Mohamed, Nasr K., Tawfeek, Hendawy N., Bräse, Stefan, Nieger, Martin

Journal:

Tetrahedron Letters

Year:

2014

Language:

english

File:

PDF, 437 KB

english, 2014

30

A convenient and efficient synthesis of thiazolidin-4-ones via cyclization of substituted hydrazinecarbothioamides

Hassan, Alaa A., Mohamed, Nasr K., El-Shaieb, Kamal M.A., Tawfeek, Hendawy N., Bräse, Stefan, Nieger, Martin

Journal:

Arabian Journal of Chemistry

Year:

2014

Language:

english

File:

PDF, 961 KB

english, 2014

31

Exploiting the 1,2,3-Triazole Moiety to Generate Carbazole Molecular Architectures through Click Approach

Ameen, Mohamed A., El-Shaieb, Kamal M., Mohamed, Asmaa H., Abdel-Latif, Fathy F.

Journal:

Journal of Heterocyclic Chemistry

Year:

2014

Language:

english

File:

PDF, 314 KB

english, 2014

32

Synthesis and antibacterial activity of new substituted ethylidenehydrazinylidene-1,3-thiazol-4-ones

Hassan, Alaa A., Mohamed, Shaaban K., Mohamed, Nasr K., El-Shaieb, Kamal M., Abdel-Aziz, Mohamed, Abdel-Aziz, Ahmed T.

Journal:

Journal of Chemical Research

Year:

2014

Language:

english

File:

PDF, 1.95 MB

english, 2014

33

The Reactivity of Dimethyl Acetylenedicarboxylate and Heterocyclization of Hydrazinecarbothioamides to 1,3-Thiazolidin-4-ones

Hassan, Alaa A., Mohamed, Nasr K., El-Shaieb, Kamal M. A., Tawfeek, Hendawy N., Bräse, Stefan, Nieger, Martin

Journal:

Journal of Heterocyclic Chemistry

Year:

2014

Language:

english

File:

PDF, 606 KB

english, 2014

34

Facile synthesis of 4-phenyl-6-[(Z)phenylimino]-3,6-dihydro-1,3,5-thiadiazine-2,2-dicarbonitriles

Aly, Ashraf A., El-Shaieb, Kamal M.

Journal:

Journal of Chemical Research

Year:

2007

Language:

english

File:

PDF, 360 KB

english, 2007

35

Reaction of Dimethyl Acetylenedicarboxylate With 2-Mercaptoperimidine and 2-Mercaptobenzimidazole

El-Shaieb, Kamal M.

Journal:

Phosphorus Sulfur and Silicon and the Related Elements

Year:

2006

Language:

english

File:

PDF, 411 KB

english, 2006

36

New Access to the Chemistry of Piperonylidinyl-4-[2.2]-Paracyclophanylamine and Some Electron π-Deficients

El-Shaieb, Kamal M.

Journal:

Journal of the Chinese Chemical Society

Year:

2004

Language:

english

File:

PDF, 68 KB

english, 2004

37

A Facile Route to the Synthesis of New 2,3-Disubstituted Benzocoumarins

El-Shaieb, Kamal M., Shaker, Raafat M., Aly, Ashraf A.

Journal:

Synthetic Communications

Year:

2008

Language:

english

File:

PDF, 162 KB

english, 2008

38

Synthesis of bis-thiazolidin-4-ones from N,N,N″-(1,ω-alkanediyl)bis(N″-organylthiourea) derivatives

Hassan, Alaa A., El-Shaieb, Kamal M.A., Abd El-Aal, Amal S., Bräse, Stefan, Nieger, Martin

Journal:

Zeitschrift für Naturforschung B

Year:

2015

Language:

english

File:

PDF, 574 KB

english, 2015

39

The First Indazolimine-Arylazobenzonitrile Rearrangement

El-Shaieb, Kamal M., Ernst, Ludger, Kerssebaum, Rainer

Journal:

Zeitschrift für Naturforschung B

Year:

2012

Language:

english

File:

PDF, 471 KB

english, 2012

40

Condensation Reactions of 2-Aminobenzohydrazide with Various Carbonyl Compounds

El-Shaieb, Kamal M., Ameen, Mohamed A., Abdel-Latif, Fathy F., Mohamed, Asmaa H.

Journal:

Zeitschrift für Naturforschung B

Year:

2012

Language:

english

File:

PDF, 2.33 MB

english, 2012

41

Synthesis of (Z)-2-(4-(arylimino)-3,4-dihydroquinazolin-2(1H)-ylidene)-1H-indene-1,3(2H)dione using 2-amino-N'-aryl-benzimidamides as a starting material

Abdel-Latif, Fathy F., El-Shaieb, Kamal M., El-Deen, Ahmed G.

Journal:

Journal of Chemical Research

Year:

2010

Language:

english

File:

PDF, 99 KB

english, 2010

42

A general and a simple synthesis of {4-[(Z)-4-(arylimino)-3,4-dihydroquinazolin-2(1H)-ylidene]cyclohexa-2,5-dien-1-ylidene} malononitrile from the reaction of 2-amino-N′-arylbenzimidamides with 7,7,8,8-tetracyanoquinodimethane

Abd-Elatif, Fathy F., El-Shaieb, Kamal M., El-Deen, Ahmed G.

Journal:

Journal of Chemical Research

Year:

2010

Language:

english

File:

PDF, 85 KB

english, 2010

43

Synthesis of dibenzo[b,e][1,4]diazepine derivatives

El-Shaieb, Kamal M., Hassan, Alaa A., Abdel-Aal, Amal S.

Journal:

Journal of Chemical Research

Year:

2011

Language:

english

File:

PDF, 90 KB

english, 2011

44

Synthesis of thiazine and thiazepine derivatives from (Z)-2-cyano-3-mercapto-3-(phenylamino)acrylamide

El-Shaieb, Kamal M., Abdel-Latif, Fathy F., El-Din, Ahmed G.

Journal:

Journal of Chemical Research

Year:

2012

Language:

english

File:

PDF, 190 KB

english, 2012

45

Synthesis of benzonaphtho[1,4]diazepine derivatives via the reaction of 2-aminoarylbenzimidamides with 2,3-dichloro-1,4-naphthoquinone

El-Shaieb, Kamal M.

Journal:

Journal of Chemical Research

Year:

2010

Language:

english

File:

PDF, 93 KB

english, 2010

46

The Chemical and Structural Properties of 2-Aminobenzylamine Derivatives

El-Shaieb, Kamal M., Jones, Peter G.

Journal:

Zeitschrift für Naturforschung B

Year:

2013

Language:

english

File:

PDF, 282 KB

english, 2013

47

An Efficient and Simple Route to Prospective Biologically Active Isoindoloquinazoline, Pyrimidine and Thiazine Derivatives Using 2-Amino-N-Arylbenzamidine and Related Compounds as Starting Materials

Abdel-Latif, Fathy F., El-Shaieb, Kamal M., El-Deen, Ahmed G.

Journal:

Zeitschrift für Naturforschung B

Year:

2011

Language:

english

File:

PDF, 434 KB

english, 2011

48

An Efficient Synthesis of 1-Thia-5-azaspiro[5.5]undec-2-ene and its Recyclization to 1,5-Diazaspiro[5.5]undec-2-ene and/or Spiro-Thieno[2,3-d]pyrimidin-4(1H)-one Derivatives

Shaker, Raafat M., Hamoda, Asmaa, Ibrahim, Yusria R., El-Shaieb, Kamal M., Abdel-Latif, Fathy F.

Journal:

Zeitschrift für Naturforschung B

Year:

2011

Language:

english

File:

PDF, 479 KB

english, 2011

49

Facile Synthesis of Thiazole, Thiazine and Isoindole Derivatives via EDA Approach and Conventional Methods

El-Shaieb, Kamal M., Ameen, Mohamed A., Abdel-latif, Fathy F., Mohamed, Asmaa H.

Journal:

Zeitschrift für Naturforschung B

Year:

2013

Language:

english

File:

PDF, 190 KB

english, 2013

50

NMR study of the naphtho-1,3-dithioles formed from carbamodithioates and 2,3-dichloro-1,4-naphthoquinone

Aly, Ashraf A., Brown, Alan B., El-Shaieb, Kamal M., Hassan, Alaa A., Bedair, Tarek M. I.

Journal:

Journal of Chemical Research

Year:

2009

Language:

english

File:

PDF, 306 KB

english, 2009