Zobrazeno 1 - 10
of 21
pro vyhledávání: '"Sahar H. El-Khalafy"'
Publikováno v:
Scientific Reports, Vol 14, Iss 1, Pp 1-18 (2024)
Abstract Catalytic degradation of Acid Orange 7 (AO7) by hydrogen peroxide in an aqueous solution has been investigated using cobalt(II) complex of 5, 10, 15, 20 Tetrakis [4-(hydroxy)phenyl] porphyrin [Co(II) TPHPP] covalently supported chitosan/Grap
Externí odkaz:
https://doaj.org/article/faeb0c0b116149639e987bc279aaa8cc
Autor:
Sahar H. El-Khalafy, Mahmoud T. Hassanein, Samia M. Elsigeny, Hazem F. Taha, Kamel R. Shoueir, El-Refaie S. Kenawy
Publikováno v:
Arabian Journal of Chemistry, Vol 16, Iss 8, Pp 104969- (2023)
Developing effective, affordable, and recoverable heterogeneous catalysts is one of the foremost challenges in modern chemistry. Mn(III) complexes of 5-(4-aminophenyl) −10, 15, and 20-triphenyl porphyrin 1 immobilized covalently on polymethyl metha
Externí odkaz:
https://doaj.org/article/0957dd9575dc4eb3b8a52f3138cf8797
Publikováno v:
Arabian Journal of Chemistry, Vol 10, Iss S2, Pp S2829-S2835 (2017)
The activity of organotin (IV)–copper (I) cyanide coordination polymers [Ph3SnCu (CN)2·L] where L = 1,2-bis(4-pyridyl)ethane (bpe) 1, 4,4′-bipyridine (bpy) 2, methylpyrazine (mepyz) 3 or trans-1,2-bis(4-pyridyl)ethene (tbpe) 4 has been investiga
Externí odkaz:
https://doaj.org/article/f9c30480200844498e6edf379a3ff720
Publikováno v:
Journal of Saudi Chemical Society, Vol 24, Iss 7, Pp 520-526 (2020)
The catalytic oxidation of the azo dye Orange II by hydrogen peroxide in aqueous solution has been investigated using 5,10,15,20-tetrakis-[4-(diethylmethylammonio)phenyl]porphyrinato-cobalt(II) tetra iodide 1as catalyst. The oxidation reaction was fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b7a3a7aa74f371f726df07fbe0ff219d
https://doi.org/10.1016/j.jscs.2020.05.003
https://doi.org/10.1016/j.jscs.2020.05.003
Publikováno v:
Catalysis Communications. 97:134-137
2-Naphthol has been selectively oxidized to 2-hydroxy-1,4-naphthoquinone (HNQ, Lawsone) with hydrogen peroxide in presence of 5,10,15,20-tetrakis-( p -sulfonatophenyl)porphinatomanganese (III) chloride as catalyst in alkaline aqueous solution. The ca
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::67e5a46684ad3134b9dc21a242d4f6de
https://doi.org/10.1016/j.catcom.2017.03.016
https://doi.org/10.1016/j.catcom.2017.03.016
Publikováno v:
Arabian Journal of Chemistry, Vol 10, Iss S2, Pp S2829-S2835 (2017)
The activity of organotin (IV)–copper (I) cyanide coordination polymers [Ph 3 SnCu (CN) 2 · L] where L = 1,2-bis(4-pyridyl)ethane (bpe) 1 , 4,4′-bipyridine (bpy) 2 , methylpyrazine (mepyz) 3 or trans-1,2-bis(4-pyridyl)ethene (tbpe) 4 has been in
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5daa499a8b87d4326549ce95bdea0462
https://doi.org/10.1016/j.arabjc.2013.11.005
https://doi.org/10.1016/j.arabjc.2013.11.005
Publikováno v:
Journal of Inorganic and Organometallic Polymers and Materials. 25:664-670
The activity of the metal–organic framework (MOF) {[CuI(CN)(phen)2·CuII(CN)2·(phen)]·5H2O} containing 1,10-phenanthroline ligand (phen) has been investigated for the oxidation of 3,5-di-tert-butylcatechol (3,5-DTBCH2) to 3,5-di-tert-butyl-o-benz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bf66a7aac75a17834031dba640b2365e
https://doi.org/10.1007/s10904-014-0139-4
https://doi.org/10.1007/s10904-014-0139-4
Publikováno v:
Catalysis Communications. 40:125-128
5,10,15,20-Tetrakis-(4-sulfonatophenyl)porphyrinatocobalt(II) supported on Amberlite ion exchange resin showed good catalytic activity as heterogeneous catalyst for the biomimetic oxidative coupling of 2-aminophenol (OAP) to 2-aminophenoxazine-3-one
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f4bdcdbcec7420c5d3c5ebd9e179f397
https://doi.org/10.1016/j.catcom.2013.06.003
https://doi.org/10.1016/j.catcom.2013.06.003
Autor:
Sahar H. El-Khalafy, M. Hassanein
Publikováno v:
Journal of Molecular Catalysis A: Chemical. :148-152
5,10,15,20-Tetrakis-(p-sulfonatophenyl)porphinatocobalt(II) and 5,10,15,20-tetrakis-(p-sulfonatophenyl)porphinatomanganese(III) chloride have been used as catalysts for the oxidative coupling of 2-aminophenol to 2-aminophenoxazine-3-one with molecula
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b7f0870ade684f476fa22ea8ad526f05
https://doi.org/10.1016/j.molcata.2012.06.002
https://doi.org/10.1016/j.molcata.2012.06.002
Autor:
Emily Carson, Amy H. Roy MacArthur, Eleanor Rolfe, Alan S. Goldman, Maurice Brookhart, Zheng Huang, Sahar H. El-Khalafy
Publikováno v:
Advanced Synthesis & Catalysis. 352:125-135
A fully heterogeneous and highly efficient dual catalyst system for alkane metathesis (AM) has been developed. The system is comprised of an alumina-supported iridium pincer catalyst for alkane dehydrogenation/olefin hydrogenation and a second hetero
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9f32625b69f66776235c13f2c6681d6b
https://doi.org/10.1002/adsc.200900539
https://doi.org/10.1002/adsc.200900539