Zobrazeno 1 - 10 of 10 pro vyhledávání: '"Shimelis T. Hailu"'
1
Akademický článek
Crystal structure of a mono-bridged calix[4]arene
Autor: Shimelis T. Hailu, Ray J. Butcher, Paul F. Hudrlik, Anne M Hudrlik
Publikováno v: Acta Crystallographica Section E: Crystallographic Communications, Vol 71, Iss 7, Pp 772-775 (2015)
The title compound, 52-[(5-bromopentyl)oxy]-12,114,35,55-tetra-tert-butyl-17,18,19,110-tetrahydro-16H,116H-1(4,12)-dibenzo[b,e][1,7]dioxacyclododecina-3,5(1,3)-dibenzenacyclohexaphan-32-ol, C54H73BrO4, was synthesized from the reaction of tert-butylc
Externí odkaz: https://doaj.org/article/70ee449454aa4c9a9bdce666a07ab028
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2
Akademický článek
Calixarene-based molecular capsule from olefin metathesis
Autor: Shimelis T. Hailu, Ray J. Butcher, Paul F. Hudrlik, Anne M. Hudrlik
Publikováno v: Acta Crystallographica Section E, Vol 69, Iss 7, Pp o1001-o1002 (2013)
The reaction of tetrakis(allyloxy)calix[4]arene with the first-generation Grubbs catalyst, followed by catalytic hydrogenation, gave the novel bis-calixarene 15,20,46,51,64,69,74,79-octaoxatridecacyclo[32.28.8.83,28.113,53.122,44.09,14.021,26.038,70.
Externí odkaz: https://doaj.org/article/f90fa6f6cceb442dabcc2cf42ed42026
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3
Akademický článek
A bis-calixarene from olefin metathesis
Autor: Shimelis T. Hailu, Ray J. Butcher, Paul F. Hudrlik, Anne M. Hudrlik
Publikováno v: Acta Crystallographica Section E, Vol 68, Iss 6, Pp o1833-o1834 (2012)
A ring-closing olefin metathesis reaction of tetrakis(allyloxy)calix[4]arene gave the bis calixarene, (15E,40E,60E)-65,74-bis(prop-2-en-1-yloxy)-13,18,38,43,58,63-hexaoxadodecacyclo[28.26.8.720,36.111,45.151,55.05,57.07,12.019,24.026,64.032,37.044,49
Externí odkaz: https://doaj.org/article/46896f116e5d4e9aaacb6276e8ea3b7a
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5
Crystal structure of a mono-bridged calix[4]arene
Autor: Anne M. Hudrlik, Shimelis T. Hailu, Paul F. Hudrlik, Ray J. Butcher
Publikováno v: Acta Crystallographica Section E: Crystallographic Communications
Acta Crystallographica Section E: Crystallographic Communications, Vol 71, Iss 7, Pp 772-775 (2015)
The structure of the title compound, consists of a tert-butyl­calix[4]arene with a five-carbon bridge connecting two proximal phenolic O atoms, and with a bromo­pent­oxy chain on one of the remaining phenolic O atoms.
The title compound, 52-[
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ddd986e968e89739f78b8bb9b4af68aa
http://europepmc.org/articles/PMC4518971
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6
Orientation control in nanoparticle filled block copolymer cold zone annealed films
Autor: Abdullah M. Al-Enizi, Shimelis T. Hailu, Alamgir Karim, Dharmaraj Raghavan, Saumil Samant
Publikováno v: Journal of Polymer Science Part B: Polymer Physics. 53:604-614
Nanoparticles provide an attractive route to modifying polymer thin film properties, yet controlling the dispersion and morphology of functionalized nanoparticle filled films is often difficult. Block copolymers can provide an ideal template for dire
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8c5f109793093505a0bf977c2f857bc9
https://doi.org/10.1002/polb.23684
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8
Reactions of calix[4]arenes with 1,3-dibromopropane and 1,5-dibromopentane. Identification of products using 1D and 2D NMR techniques, and X-ray crystallography
Autor: Paul F. Hudrlik, Ray J. Butcher, Anne M. Hudrlik, Shimelis T. Hailu
Publikováno v: Journal of Molecular Structure. :271-281
Attempts to bridge a calix[4]arene with a three-carbon bridge using 1,3-dibromopropane and NaH/DMF led to elimination reactions. Using K2CO3/CH3CN, three new calixarenes were obtained: a biscalixarene (8), a novel bridged calixarene (9), and a partia
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::215262639ae42aed5e540e1c77cd285a
https://doi.org/10.1016/j.molstruc.2013.09.040
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9
Calixarene-based molecular capsule from olefin metathesis
Autor: Anne M. Hudrlik, Shimelis T. Hailu, Paul F. Hudrlik, Ray J. Butcher
Publikováno v: Acta Crystallographica Section E, Vol 69, Iss 7, Pp o1001-o1002 (2013)
Acta Crystallographica Section E: Structure Reports
The reaction of tetrakis(allyloxy)calix[4]arene with the first-generation Grubbs catalyst, followed by catalytic hydrogenation, gave the novel bis-calixarene 15,20,46,51,64,69,74,79-octaoxatridecacyclo[32.28.8.83,28.113,53.122,44.09,14.021,26.038,70.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::66ebda3895897dd90dc34bcb167d9de6
http://scripts.iucr.org/cgi-bin/paper?S1600536813014438
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10
A bis-calixarene from olefin metathesis
Autor: Anne M. Hudrlik, Shimelis T. Hailu, Ray J. Butcher, Paul F. Hudrlik
Publikováno v: Acta Crystallographica Section E: Structure Reports
Acta Crystallographica Section E, Vol 68, Iss 6, Pp o1833-o1834 (2012)
A ring-closing olefin metathesis reaction of tetrakis(allyloxy)calix[4]arene gave the bis calixarene, (15E,40E,60E)-65,74-bis(prop-2-en-1-yloxy)-13,18,38,43,58,63-hexaoxadodecacyclo[28.26.8.720,36.111,45.151,55.05,57.07,12.019,24.026,64.032,37.044,49
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::0978b2015e3825937fad1709c0862414
http://europepmc.org/articles/PMC3379406
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