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1

Synthesis and Anticancer Activities of Thiazoles, 1,3-Thiazines, and Thiazolidine Using Chitosan-Grafted-Poly(vinylpyridine) as Basic Catalyst

M. Riyadh, Sayed, M. Gomha, Sobhi, A. Mahmmoud, Elmahdi, M. Elaasser, Mahmoud

Journal:

Year:

2015

File:

PDF, 896 KB

2015

2

Synthesis and anticancer activity of arylazothiazoles and 1,3,4-thiadiazoles using chitosan-grafted-poly(4-vinylpyridine) as a novel copolymer basic catalyst

Gomha, Sobhi M., Riyadh, Sayed M., Mahmmoud, Elmahdi A., Elaasser, Mahmoud M.

Journal:

Chemistry of Heterocyclic Compounds

Year:

2015

Language:

english

File:

PDF, 347 KB

english, 2015

3

Rational Design, Synthesis, Pharmacophore Modeling, and Docking Studies for Identification of Novel Potent DNA-PK Inhibitors

Ihmaid, Saleh, Ahmed, Hany E.A., Al-Sheikh Ali, Adeeb, Sherif, Yousery E., Tarazi, Hamadeh M., Riyadh, Sayed M., Zayed, Mohamed F., Abulkhair, Hamada S., Rateb, Heba S.

Journal:

Bioorganic Chemistry

Year:

2017

Language:

english

File:

PDF, 1.09 MB

english, 2017

4

Electrolytic Partial Fluorination of Organic Compounds. Part 43. Highly Regioselective Anodic Mono- and Difluorination of Propargyl Sulfides and Preparation of α-Fluoroallenyl Sulfides.

Sayed M. Riyadh, Hideki Ishii, Toshio Fuchigami

Journal:

Year:

2001

File:

PDF, 33 KB

2001

5

ChemInform Abstract: Electrolytic Partial Fluorination of Organic Compounds. Part 57. Regioselective Anodic Monofluorination of Nitrogen-Containing Heterocyclic Propargyl Sulfides.

Sayed M. Riyadh, Hideki Ishii, Toshio Fuchigami

Journal:

Year:

2002

File:

PDF, 31 KB

2002

6

Electrolytic Partial Fluorination of Organic Compounds. Part 60. Highly Regioselective Anodic Fluorination of Aryl Propargyl Sulfides.

Sayed M. Riyadh, Hideki Ishii, Toshio Fuchigami

Journal:

Year:

2002

File:

PDF, 34 KB

2002

7

Electrolytic Partial Fluorination of Organic Compounds. Part 65. Regioselective Anodic Difluorination of Oxazolyl Sulfides.

Sayed M. Riyadh, Hideki Ishii, Toshio Fuchigami

Journal:

Year:

2003

File:

PDF, 117 KB

2003

8

Electrolytic Partial Fluorination of Organic Compounds. Part 64. Anodic Mono- and Difluorination of Thiazolyl Sulfides.

Sayed M. Riyadh, Toshio Fuchigami

Journal:

Year:

2003

File:

PDF, 159 KB

2003

9

Synthesis of New Bis-Heteroaryl Thiohydrazonates and Their in situ Rearrangement.

Mosselhi A. N. Mosselhi, Magda A. Abdallah, Sayed M. Riyadh, Ahmad S. Shawali

Journal:

Year:

2005

File:

PDF, 20 KB

2005

10

ChemInform Abstract: New Pyrazoles Incorporating Pyrazolylpyrazole Moiety: Synthesis, anti-HCV and Antitumor Activity.

Sayed M. Riyadh, Thoraya A. Farghaly, Magda A. Abdallah, Mohamed M. Abdalla, Mohamed R. Abd El-Aziz

Journal:

Year:

2010

File:

PDF, 28 KB

2010

11

A novel route to tetracyclic fused tetrazines and thiadiazines

Ikhlass M. Abbas, Sayed M. Riyadh, Magda A. Abdallah, Sobhy M. Gomha

Journal:

Journal of Heterocyclic Chemistry

Year:

2006

Language:

english

File:

PDF, 134 KB

english, 2006

12

Studies with enamines: Reactivity of N,N-dimethyl-N-[(E)-2-(4-nitrophenyl)-1-ethenyl]amine towards nitrilimine and aromatic diazonium salts

Hamad M. Al-Matar, Sayed M. Riyadh, Mohamed H. Elnagdi

Journal:

Journal of Heterocyclic Chemistry

Year:

2007

Language:

english

File:

PDF, 77 KB

english, 2007

13

Studies with 2-arylhydrazononitriles: Further investigations on reactivity of 2-arylhydrazononitriles towards hydroxylamine

Sayed M. Riyadh, Hamad M. Al-Matar, Mohamed H. Elnagdi

Journal:

Journal of Heterocyclic Chemistry

Year:

2008

Language:

english

File:

PDF, 333 KB

english, 2008

14

New pyrazoles incorporating pyrazolylpyrazole moiety: Synthesis, anti-HCV and antitumor activity

Sayed M. Riyadh, Thoraya A. Farghaly, Magda A. Abdallah, Mohamed M. Abdalla, Mohamed R. Abd El-Aziz

Journal:

European Journal of Medicinal Chemistry

Year:

2010

Language:

english

File:

PDF, 251 KB

english, 2010

15

Electrolytic partial fluorination of organic compounds. Part 57: Regioselective anodic monofluorination of nitrogen-containing heterocyclic propargyl sulfides

Sayed M Riyadh, Hideki Ishii, Toshio Fuchigami

Journal:

Year:

2001

Language:

english

File:

PDF, 103 KB

english, 2001

16

Electrolytic partial fluorination of organic compounds. Part 60: Highly regioselective anodic fluorination of aryl propargyl sulfides

Sayed M Riyadh, Hideki Ishii, Toshio Fuchigami

Journal:

Year:

2002

Language:

english

File:

PDF, 202 KB

english, 2002

17

Electrolytic partial fluorination of organic compounds. Part 65: Regioselective anodic difluorination of oxazolyl sulfides

Sayed M Riyadh, Hideki Ishii, Toshio Fuchigami

Journal:

Year:

2002

Language:

english

File:

PDF, 162 KB

english, 2002

18

Electrolytic partial fluorination of organic compounds. Part 43: Highly regioselective anodic mono- and difluorination of propargyl sulfides and preparation of α-fluoroallenyl sulfides

Sayed M Riyadh, Hideki Ishii, Toshio Fuchigami

Journal:

Tetrahedron Letters

Year:

2001

Language:

english

File:

PDF, 63 KB

english, 2001

19

Tautomerism and Reactions of 1H-1,2,4-Triazole-5-thiones with Hydrazonoyl Halides

Mosselhi A. N. Mosselhi, Magda A. Abdallah, Sayed M. Riyadh, Abdelhamid E. Harhash, Dr. Ahmad S. Shawali

Journal:

Advanced Synthesis & Catalysis

Year:

1998

Language:

english

File:

PDF, 430 KB

english, 1998

20

Novel polyazaheterocyclic systems: Synthesis, antitumor, and antimicrobial activities

Sayed M. Riyadh, Thoraya A. Farghaly, Sobhi M. Gomha

Journal:

Archives of Pharmacal Research

Year:

2010

Language:

english

File:

PDF, 506 KB

english, 2010

21

Synthesis under Microwave Irradiation of [1,2,4]Triazolo[3,4-b] [1,3,4]thiadiazoles and Other Diazoles Bearing Indole Moieties and Their Antimicrobial Evaluation

Gomha, Sobhi M., Riyadh, Sayed M.

Journal:

Year:

2011

Language:

english

File:

PDF, 560 KB

english, 2011

22

MICROWAVE-ASSISTED REACTION OF HYDRAZONOYL HALIDES WITH CARBODITHIOIC ACID HYDRAZONES

Riyadh, Sayed M., Al-matar, Hamad M.

Journal:

Organic Preparations and Procedures International

Year:

2007

Language:

english

File:

PDF, 452 KB

english, 2007

23

Synthetic Utility of Ethylidenethiosemicarbazide: Synthesis and Anticancer Activity of 1,3-Thiazines and Thiazoles with Imidazole Moiety

M. Riyadh, Sayed, M. Gomha, Sobhi, M. Abbas, Ikhlass, A. Bauomi, Mohammed

Journal:

Year:

2013

Language:

english

File:

PDF, 492 KB

english, 2013

24

Effect of solvent on the regioselective synthesis of spiropyrazoles

Sayed M. Riyadh, Thoraya A. Farghaly

Journal:

Year:

2012

Language:

english

File:

PDF, 535 KB

english, 2012

25

A Facile Green Synthesis and Anti-Cancer Activity of bis-Arylhydrazononitriles, Triazolo[5,1-c][1,2,4]triazine, and 1,3,4-Thiadiazolines

M. Riyadh, Sayed, M. Gomha, Sobhi, D. Khalil, Khaled, M. El-Zanaty, Ali

Journal:

Year:

2013

Language:

english

File:

PDF, 324 KB

english, 2013

26

Enaminones as Building Blocks for the Synthesis of Substituted Pyrazoles with Antitumor and Antimicrobial Activities

Journal:

Year:

2011

Language:

english

File:

PDF, 396 KB

english, 2011

27

Synthesis, anticancer, and antimicrobial activities of some new antipyrine-based heterocycles

Riyadh, Sayed M., Kheder, Nabila A., Asiry, Ahlam M.

Journal:

Monatshefte für Chemie - Chemical Monthly

Year:

2013

Language:

english

File:

PDF, 435 KB

english, 2013

28

Chemistry of Hydrazonoalkanenitriles

M. Riyadh, Sayed, A. Abdelhamid, Ismail, M. Ibrahim, Hamada, M. Al-Matar, Hamad, H. Elnagdi, Mohamed

Journal:

Year:

2007

Language:

english

File:

PDF, 415 KB

english, 2007

29

Diabetes in the Middle-East and North Africa: An update

Majeed, Azeem, El-Sayed, Adel A., Khoja, Tawfik, Alshamsan, Riyadh, Millett, Christopher, Rawaf, Salman

Journal:

Diabetes Research and Clinical Practice

Year:

2014

Language:

english

File:

PDF, 348 KB

english, 2014

30

Enamines as Precursors to Polyfunctional Heteroaromatic Compounds; a Decade of Development

M. Riyadh, Sayed, A. Abdelhamid, Ismail, M. Al-Matar, Hamad, M. Hilmy, Noha, H. Elnagdi, Mohamed

Journal:

Year:

2008

Language:

english

File:

PDF, 424 KB

english, 2008

31

Electrolytic Partial Fluorination of Organic Compounds. 64. 1 Anodic Mono- and Difluorination of Thiazolyl Sulfides

Riyadh, Sayed M., Fuchigami, Toshio

Journal:

Journal of Organic Chemistry

Year:

2002

Language:

english

File:

PDF, 107 KB

english, 2002

32

Novel in situ Formation and Rearrangement of Thiohydrazonate Esters

Abdallah, Magda A., Mosselhi, Mosselhi A. N., Riyadh, Sayed M., Harhash, Abdelhamid E., Shawali, Ahmad S.

Journal:

Journal of Chemical Research

Year:

1998

Language:

english

File:

PDF, 109 KB

english, 1998

33

ChemInform Abstract: Multicomponent Synthesis of Novel Penta-Heterocyclic Ring Systems Incorporating a Benzopyranopyridine Scaffold.

Gomha, Sobhi M., Riyadh, Sayed M.

Journal:

Year:

2014

File:

PDF, 25 KB

2014

34

Multicomponent Synthesis of Novel Penta-Heterocyclic Ring Systems Incorporating a Benzopyranopyridine Scaffold

Gomha, Sobhi, Riyadh, Sayed

Journal:

Year:

2013

Language:

english

File:

PDF, 188 KB

english, 2013

35

ChemInform Abstract: Recent Trends in Chemistry of Ethylidenethiocarbonohydrazides

Riyadh, Sayed M., Gomha, Sobhi M., Mahmmoud, Elmahdi A.

Journal:

Year:

2016

File:

PDF, 16 KB

2016

36

ChemInform Abstract: A Facile and Convenient Synthesis of Novel Pyridine Derivatives Incorporating Antipyrine Moiety and Investigation of Their Antimicrobial Activities.

Kheder, Nabila A., Riyadh, Sayed M., Asiry, Ahlam M.

Journal:

Year:

2013

File:

PDF, 26 KB

2013

37

ChemInform Abstract: Synthetic Utility of Ethylidenethiosemicarbazide: Synthesis and Anticancer Activity of 1,3-Thiazines and Thiazoles with Imidazole Moiety.

Gomha, Sobhi M., Riyadh, Sayed M., Abbas, Ikhlass M., Bauomi, Mohammed A.

Journal:

Year:

2013

File:

PDF, 30 KB

2013

38

ChemInform Abstract: Synthesis and Anticancer Activities of Thiazoles, 1,3-Thiazines, and Thiazolidine Using Chitosan-Grafted-Poly(vinylpyridine) as Basic Catalyst.

Riyadh, Sayed M., Gomha, Sobhi M., Mahmmoud, Elmahdi A., Elaasser, Mahmoud M.

Journal:

Year:

2015

File:

PDF, 24 KB

2015

39

ChemInform Abstract: A Facile Green Synthesis and Anticancer Activity of Bis-arylhydrazononitriles, Triazolo[5,1-c][1,2,4]triazine, and 1,3,4-Thiadiazolines.

Gomha, Sobhi M., Khalil, Khaled D., El-Zanaty, Ali M., Riyadh, Sayed M.

Journal:

Year:

2013

File:

PDF, 33 KB

2013

40

ChemInform Abstract: Synthesis, Anticancer, and Antimicrobial Activities of Some New Antipyrine-Based Heterocycles.

Riyadh, Sayed M., Kheder, Nabila A., Asiry, Ahlam M.

Journal:

Year:

2014

File:

PDF, 29 KB

2014

41

Novel Regioselective Synthesis and Biological Activity of 6-Phenylazo and 3,6-Bis(arylazo)-7-hydroxy-1H-[1,2,4]triazolo[4,3-a]pyrimidin-5(4H)-one

Riyadh, Sayed M.

Journal:

Journal of the Chinese Chemical Society

Year:

2005

Language:

english

File:

PDF, 63 KB

english, 2005

42

Novel arylazothiazoles and arylazo[1,3,4]thiadiazoles as potential antimicrobial and anticancer agents: synthesis, molecular modeling, and biological screening

Riyadh, Sayed M., Deawaly, Anwar A., Ahmed, Hany E. A., Afifi, Tarek H., Ihmaid, Saleh

Journal:

Medicinal Chemistry Research

Year:

2017

Language:

english

File:

PDF, 1.03 MB

english, 2017

43

Cementless, modular, distally fixed stem in hip revision arthroplasty: a single-center study of 132 consecutive hips

Hashem, Ali, Al-Azzawi, Ammar, Riyadh, Hasan, Mukka, Sebastian, Sayed-Noor, Arkan

Journal:

European Journal of Orthopaedic Surgery & Traumatology

Year:

2017

Language:

english

File:

PDF, 581 KB

english, 2017

44

Synthesis, Biological Evaluation, and Molecular Docking of Novel Thiazoles and [1,3,4]Thiadiazoles Incorporating Sulfonamide Group as DHFR Inhibitors

Riyadh, Sayed M., El-Motairi, Shojaa A., Ahmed, Hany E. A., Khalil, Khaled D., Habib, EL-Sayed E.

Journal:

Chemistry & Biodiversity

Year:

2018

Language:

english

File:

PDF, 594 KB

english, 2018

45

Inhibitory activity of benzo[h]quinoline and benzo[h]chromene in human glioblastoma cells

Haiba, Mogedda E., Al-Abdullah, Ebtehal S., Ghabbour, Hazem A., Riyadh, Sayed M., Abdel-Kader, Reham M.

Journal:

Tropical Journal of Pharmaceutical Research

Year:

2016

Language:

english

File:

PDF, 658 KB

english, 2016

46

Studies with β-Oxoalkanonitriles: Simple Novel Synthesis of 3-[2,6-Diaryl-4- pyridyl]-3-oxopropanenitriles

Riyadh, Sayed, Al-Matar, Hamad, Elnagdi, Mohamed

Journal:

Year:

2008

Language:

english

File:

PDF, 108 KB

english, 2008

47

Crystal structure of a 1,1,2,2-tetrachloroethane-solvated hydrazinecarbothioamide compound

Riyadh, Sayed, Hughes, David L., Said, Musa A

Journal:

Acta Crystallographica Section E Crystallographic Communications

Year:

2017

Language:

english

File:

PDF, 615 KB

english, 2017

48

A Decade of Development of Ethylidenethiosemicarbazides as Building Blocks for Synthesis of Azoles and Azines (A Review)

M. Riyadh, Sayed, Abed El-Motairi, Shojaa, A. Deawaly, Anwar

Journal:

Oriental Journal Of Chemistry

Year:

2018

Language:

english

File:

PDF, 312 KB

english, 2018

49

Chitosan-MgO Nanocomposite: One Pot Preparation and Its Utility as an Ecofriendly Biocatalyst in the Synthesis of Thiazoles and [1,3,4]thiadiazoles

Riyadh, Sayed, Khalil, Khaled, Aljuhani, Ateyatallah

Journal:

Year:

2018

Language:

english

File:

PDF, 4.40 MB

english, 2018

50

Novel chromenes and benzochromenes bearing arylazo moiety: molecular docking, in-silico admet, in-vitro antimicrobial and anticancer screening

Afifi, Tarek H., Riyadh, Sayed M., Deawaly, Anwar A., Naqvi, Arshi

Journal:

Medicinal Chemistry Research

Year:

2019

Language:

english

File:

PDF, 4.63 MB

english, 2019

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