Zobrazeno 1 - 10
of 10
pro vyhledávání: '"Wael M. Tohamy"'
Autor:
Farid M. Sroor, Wael M. Tohamy, Khairy M. A. Zoheir, Nagwa M. Abdelazeem, Karima F. Mahrous, Nada S. Ibrahim
Publikováno v:
BMC Chemistry, Vol 17, Iss 1, Pp 1-28 (2023)
Abstract The current study involves the design and synthesis of a newly synthesized pyrrolo[2,3-d]pyrimidine derivatives to contain chlorine atoms in positions 4 and 6 and trichloromethyl group in position 2 using microwave technique as a new and rob
Externí odkaz:
https://doaj.org/article/2b9e7f38fbcd462ebdce3188a9da39f7
Publikováno v:
Molecules, Vol 24, Iss 6, p 1110 (2019)
Reactions of a series of 3-oxo-2-arylhydrazonopropanal derivatives with two molar ratio of ammonium acetate afforded a library of tetrasubstituted 2,3,6,7,9-pentaazabicyclo[3.3.1]nona- 3,7-diene derivatives in good to excellent isolated yields. The r
Externí odkaz:
https://doaj.org/article/01fe21cda9e444a1b1a2cf617ae20281
Publikováno v:
ACS Omega. 7:28831-28848
Solid-supported catalysts play efficient and crucial roles in organic synthesis. A solid-supported palladium(II) complex based on chitosan was synthesized and fully characterized using all possible tools (Fourier transform infrared spectroscopy, ther
Autor:
Farid M. Sroor, Shorouk S. Mukhtar, Taghrid S. Hafez, Wael M. Tohamy, Hamdi M. Hassaneen, Fatma M. Saleh
Publikováno v:
Tetrahedron. 134:133303
Autor:
Farid M. Sroor, Wahid M. Basyouni, Mostafa K. El-Awady, Samir Y. Abbas, Khairy A. M. El-Bayouki, Reham M. Dawood, Wael M. Tohamy
Publikováno v:
Egyptian Journal of Chemistry.
A new series of N-(4)-substituted thiosemicarbazone derivatives 4-8 incorporating a benzo[d][1,3]dioxole moiety were synthesized through the reaction of N-(4)-(benzo[d][1,3]dioxol-5-yl)-thiosemicarbazide with various carbonyl compounds such as aromat
Autor:
Hanan F. Aly, Wahid M. Basyouni, Azza F. Arafa, Khairy A. M. El-Bayouk, Samir Y. Abbas, Mahmoud S. Soliman, Wael M. Tohamy
Publikováno v:
Drug Research. 67:557-563
New 1-substituted-biguanide hydrochloride salts were synthesized via reacting benzo[1,3-d]dioxol-5-amine, phenylhydrazine, N,N-dimethylhydrazinecarboxamide, benzohydrazide and 2-phenyl acetohydrazide with dicyandiamide in acidic medium. Structures of
Publikováno v:
Molecules
Volume 24
Issue 6
Molecules, Vol 24, Iss 6, p 1110 (2019)
Volume 24
Issue 6
Molecules, Vol 24, Iss 6, p 1110 (2019)
Reactions of a series of 3-oxo-2-arylhydrazonopropanal derivatives with two molar ratio of ammonium acetate afforded a library of tetrasubstituted 2,3,6,7,9-pentaazabicyclo[3.3.1]nona- 3,7-diene derivatives in good to excellent isolated yields. The r
Autor:
Wahid M. Basyouni, Wael M. Tohamy, Tawfeek H. Abdelhafez, Farid M. Sroor, Mostafa K. El-Awady
Publikováno v:
Tetrahedron. 75:130749
The progression of drug resistance of viral infection justifies the discovering of new anti-viral agents. Thus, a novel series of pyrrolopyrimidine derivatives 5–7 and 9–18 were designed, synthesized and fully characterized by IR, mass spectrosco
Publikováno v:
RSC advances. 8(60)
Several 2-arylcinnolin-6(2H)-one derivatives were synthesized via tandem annulation of a large number of 3-oxo-2-arylhydrazonopropanals with acetoacetanilide under three different heating modes (conventional heating, ultrasound and microwave irradiat
Publikováno v:
ChemInform. 46
20 Title compounds of type (IV) are prepared by a one-pot three-component reaction which is catalyzed by silica sulfuric acid.