Zobrazeno 1 - 10
of 29
pro vyhledávání: '"ASHRAF H. F. ABD EL-WAHAB"'
Autor:
Ashraf H. F. Abd El-Wahab, Rita M. Borik, Al-Anood M. Al-Dies, Ahmed M. Fouda, Hany M. Mohamed, Raafat A. El-Eisawy, Mohamed H. Sharaf, Abdullah Y. A. Alzahrani, Ahmed A. Elhenawy, Ahmed M. El-Agrody
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-17 (2024)
Abstract The process of creating a series of 3-amino-1-aryl-8-methoxy-1H-benzo[f]chromene-2-carbonitriles (4a-q) involved reacting 6-methoxynaphthalen-2-ol (1), the appropriate aromatic aldehydes (2a-q), and malononitrile (3) in an absolute ethanol/p
Externí odkaz:
https://doaj.org/article/1c586565042d45e09ce6ca0148947619
Autor:
Ashraf H. F. Abd El-Wahab, Rita M. A. Borik, Al-Anood M. Al-Dies, Ahmed M. Fouda, Hany M. Mohamed, Raafat A. El-Eisawy, Ahmed Mora, Mohammed A. A. El-Nassag, Ahmed M. Abd elhady, Ahmed A. Elhenawy, Ahmed M. El-Agrody
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-18 (2024)
Abstract P-glycoprotein (P-gp) imparts multi-drug resistance (MDR) on the cancers cell and malignant tumor clinical therapeutics. We report a class of newly designed and synthesized oxygen-heterocyclic-based pyran analogues (4a–l) bearing different
Externí odkaz:
https://doaj.org/article/612d53ac1504478fa1b526d833c82919
Autor:
Ashraf H. F. Abd El-Wahab
Publikováno v:
Pharmaceuticals, Vol 5, Iss 7, Pp 745-757 (2012)
A series of naphthopyran derivatives 3a–f were prepared. Reaction of 2-amino-4-(p-chlorophenyl)-7-methoxy-4H-naphtho[2,1-b]pyran-3-carbonitrile (3b) with Ac2O afforded two products, 2-acetylamino-7-methoxy-4-(p-chlorophenyl)-4H-naphtho-[2,1-b]pyran
Externí odkaz:
https://doaj.org/article/8d5eff65607b49b3b36d7eb44fb18d46
Autor:
Mostafa M. Khafagy, Ahmed H. Bedair, Fathy A. Eid, Kamal A. Ahmed, Ahmed M. El-Agrody, Hany M. Mohamed, Ashraf H. F. Abd El-Wahab
Publikováno v:
Molecules, Vol 17, Iss 1, Pp 971-988 (2012)
Condensation of 3-acetyl-8-ethoxycoumarin (3) with thiosemicarbazide gave ethylidenehydrazinecarbothioamide 5, which was transformed into the thiazolidin-4-one derivatives 6,7. Interaction of 3 with DMF/POCl3 gave b-chloroacroline derivative 8. Treat
Externí odkaz:
https://doaj.org/article/59024c9ad9d54465974d54f0e17bc7fb
Autor:
Hany M. Mohamed, Ashraf H. F. Abd EL-Wahab, Ahmed M. EL-Agrody, Ahmed H. Bedair, Fathy A. Eid, Mostafa M. Khafagy, Kamal A. Abd-EL-Rehem
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 7, Iss 1, Pp 1688-1696 (2011)
A series of 6,8-diiodocoumarin-3-N-carboxamides (4–11) were prepared. Treatment of ethyl 6,8-diiodocoumarin-3-carboxylate (1) with ethyl cyanoacetate/NH4OAc gave ethyl 2-(3-carbamoyl-6,8-diiodocoumarin-4-yl)-2-cyanoacetate (12) and 2-amino-4-hydrox
Externí odkaz:
https://doaj.org/article/cebf05a5439d48e89cc9365dc1552ca8
Autor:
Ahemed M. El-Agrody, Fawzy M. Ali, Ahmed H. A. Halawa, Ashraf H. F. Abd El-Wahab, Zarrag Isa A. Al-Fifi, Ahmed H. Bedair
Publikováno v:
Molecules, Vol 16, Iss 1, Pp 307-318 (2011)
Vilsmeier formylation of 2-(1-phenylhydrazonoethyl)naphtho[2,1-b]furan (2) gave 3-naphtho[2,1-b]furan-2-yl-1-phenyl-1H-pyrazole-4-carbaldehyde (3), which was reacted with C- and N-nucleophiles to afford naphthofuranpyrazol derivatives 4-8. Treatment
Externí odkaz:
https://doaj.org/article/95c20273f5654d2e84f9fcb8b5db3a9d
Publikováno v:
European Journal of Chemistry. 8:358-366
A one pot three component reaction of 4-phenyldiazenyl-1-naphthol (1), p -chloro benzaldehyde (2) and malononitrile or ethyl cyanoacetate (3) in ethanol/piperidine under reflux afforded 2-amino-4-( p -chlorophenyl)-6-phenyldiazenyl-4 H -naphtho[1,2-b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::10c8a33f52fc05b24b3d3b5d746f2af7
https://doi.org/10.5155/eurjchem.8.4.358-366.1632
https://doi.org/10.5155/eurjchem.8.4.358-366.1632
Autor:
Ibrahim Ali M. Radini, Mohammed Abdo Yahya Kharir, Ashraf H. F. Abd El-Wahab, Hany Mostafa Hamed
Publikováno v:
European Journal of Chemistry. 8:240-247
Synthesis of several new of benzochromenes (4-7), benzochromenopyrimidines (8 and 9), 14-(4-chlorophenyl)-12-(phenyldiazenyl)-14 H -benzo[7,8]chromeno[3,2-e][1, 2, 4]triazolo[1, 5-c]pyrimidines, 4-amino-16-(4-chlorophenyl)-14-(phenyldiazenyl)-16 H -b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b004ca00862f89490732a45f76cf8d01
https://doi.org/10.5155/eurjchem.8.3.240-247.1599
https://doi.org/10.5155/eurjchem.8.3.240-247.1599
Publikováno v:
European Journal of Chemistry. 7:230-237
Reaction of 4-phenyldiazenyl /or 4-( p -tolyldiazenyl)-1-naphthol (1) with various substituted α-cyanocinnamonitriles (2a-h) and ethyl α-cyanocinnamates (2i-p) afforded 2-amino-4-(aryl)-6-(phenyldiazenyl /or p -tolyldiazenyl)-4 H -naphtho[1,2- b ]p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d8485759091711c0bac5c5c0e5e660b
https://doi.org/10.5155/eurjchem.7.2.230-237.1432
https://doi.org/10.5155/eurjchem.7.2.230-237.1432
Publikováno v:
Current organic synthesis. 16(6)
Background: Synthetic azo compounds and their derivatives have been studied extensively due to their biological and pharmacological activities. Pyranopyridines, pyranopyrimidines and tetrazoles derivatives have emerged as a promising and attractive s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ead0ea8d35af728f992ad3fe04b27127
https://pubmed.ncbi.nlm.nih.gov/31984914
https://pubmed.ncbi.nlm.nih.gov/31984914