Zobrazeno 1 - 10
of 298
pro vyhledávání: '"Yehia A. Ibrahim"'
Autor:
Nader A. Al-Jalal, Maher R. Ibrahim, Nouria A. Al-Awadi, Mohamed H. Elnagdi, Yehia A. Ibrahim
Publikováno v:
Molecules, Vol 19, Iss 12, Pp 20695-20708 (2014)
Irradiation of benzotriazoles 1a–e at λ = 254 nm in acetonitrile solution generated the corresponding 1,3-diradicals which underwent intermolecular cycloaddition with maleimides to afford the corresponding dihydropyrrolo[3,4-b]indoles and with ace
Externí odkaz:
https://doaj.org/article/f5f72af9a4bd4fe4b68fbb5549b7f489
Autor:
Herbert Meier, Johannes C. Liermann, Yehia A. Ibrahim, Noha Mohamed Hilmy, Saleh Mohammed Al-Mousawi, Moustafa Sherief Moustafa, Mohamed Hilmy Elnagdi
Publikováno v:
Molecules, Vol 18, Iss 1, Pp 276-286 (2012)
Reaction of enaminones 1a–d with 2-aminoprop-1-ene-1,1,3-tricarbonitrile (2) in the presence of AcOH/NH4OAc afforded 7-amino-5-oxo-5,6-dihydro-1,6-naphthyridine-8-carbonitrile derivatives 9a–d. On the other hand, 2-aminopyrano[4,3,2-de] [1,6]naph
Externí odkaz:
https://doaj.org/article/e8bdbdd11f274d57970594d09b6470b1
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 8, Iss 1, Pp 441-447 (2012)
An efficient three component reaction with enaminones, primary amines and aldehydes resulted in easy access to 1,4-dihydropyridines with different substituents at the 1-, 3-, 4- and 5-positions. Microwaves improved the reaction yield, reducing also c
Externí odkaz:
https://doaj.org/article/6699a170f4904418b9380d7f4239966a
Publikováno v:
ARKIVOC, Vol 2010, Iss 10, Pp 149-162 (2010)
Externí odkaz:
https://doaj.org/article/12cbf6ed968a45d6833757bba8ddea2e
Publikováno v:
Molecules, Vol 15, Iss 1, Pp 407-419 (2010)
Flash vacuum pyrolysis (FVP) of 4-aryl-3-buten-2-ols [ArCH=CH-CH(CH3)OH, where Ar is phenyl, p-MeO, p-Me, p-Cl, p-NO2] gave the corresponding buta-1,3-dien-1-ylbenzene (ArCH=CH-CH=CH2, where Ar is Ph, p-MeO, p-Me, p-Cl, p-NO2) and 7-X-1,2-dihydronaph
Externí odkaz:
https://doaj.org/article/8103a3c827f3443e87cd5e09e6ff979d
Publikováno v:
ARKIVOC, Vol 2008, Iss 10, Pp 5-16 (2007)
Externí odkaz:
https://doaj.org/article/f3dbd2e375db4337a871916a9dfd009b
Publikováno v:
Molecules, Vol 21, Iss 7, p 866 (2016)
Irradiation of an acetonitrile solution of 4-aryl-3,5-dibenzoyl-1,4-dihydropyridine derivatives 1a–c and maleimides 2a–c using medium pressure Hg-arc lamp (λ > 290) nm afforded three different cycloadducts 4, 5, 6 in addition to the oxidation pr
Externí odkaz:
https://doaj.org/article/96867452bbc649fc92b7461540d8b06a
Development of a Structure for Lossless Ion Manipulations (SLIM) High Charge Capacity Array of Traps
Autor:
Adam P. Huntley, Adam L. Hollerbach, Aneesh Prabhakaran, Sandilya V. B. Garimella, Cameron M. Giberson, Randolph V. Norheim, Richard D. Smith, Yehia M. Ibrahim
Publikováno v:
Analytical Chemistry. 95:4446-4453
Autor:
Cameron Giberson, Rajesh K. Singh, Jaehun Chun, Adam P. Huntley, Jason Zhong, Yehia M. Ibrahim, Gregory K. Schenter, Joon-Yong Lee, Sandilya VB Garimella
Publikováno v:
Journal of the American Society for Mass Spectrometry. 33:1453-1457
Ion trajectory simulation in mass spectrometry systems from injection to detection is technically challenging but very important for better understanding the ion dynamics in instrument development. Here, we present SimELIT (
Autor:
Aivett Bilbao, Dylan H. Ross, Joon-Yong Lee, Micah T. Donor, Sarah M. Williams, Ying Zhu, Yehia M. Ibrahim, Richard D. Smith, Xueyun Zheng
Publikováno v:
J Proteome Res
Modern mass spectrometry-based workflows employing hybrid instrumentation and orthogonal separations collect multidimensional data, potentially allowing deeper understanding in omics studies through adoption of artificial intelligence methods. Howeve
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b10c321cfac45e111858d0420728faa7
https://europepmc.org/articles/PMC9898216/
https://europepmc.org/articles/PMC9898216/