Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Christopher J. Fenk"'
Publikováno v:
Journal of Chemical Education. 87:838-841
An undergraduate LC−MS experiment is described for the identification and quantitative determination of acetaminophen, acetylsalicylic acid, and caffeine in commercial analgesic tablets. This inquiry-based experimental procedure requires minimal sa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0fadf5da2c4f4e70ad0ac6dc37fca3ba
https://doi.org/10.1021/ed100280y
https://doi.org/10.1021/ed100280y
Publikováno v:
Journal of Science Teacher Education. 20:437-457
The purpose of this study was to explore the relationship between teachers’ (N = 69) participation in constructivist chemistry professional development (PD) and enhancement of content (CK) and pedagogical content knowledge (PCK) (representational t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::740ddd926ce1d4d0bf6b513ac94fe194
https://doi.org/10.1007/s10972-009-9140-0
https://doi.org/10.1007/s10972-009-9140-0
Publikováno v:
The American Biology Teacher. 62:583-587
s should provide enough information to initiate discussion of the application. It is important to note, however, that great care must be exercised when using other Internet resources which may not be directly associated with the primary literature.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bb283fed1f4fff8e031be99d0cf4f979
https://doi.org/10.2307/4450982
https://doi.org/10.2307/4450982
Autor:
Christopher J. Fenk
Publikováno v:
Tetrahedron Letters. 40:7955-7959
The preparation of novel 3-(4-methyl-2,6,7-trioxabicyclo[2.2.2]octyl)-Δ2-isoxazolines 2 via nitrile oxide cycloaddition chemistry is described. The target compounds were produced in moderate to good yields using only 2.2 equivalents of alkene and wi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d0fef15a3d8e5d39a925cf021696fa13
https://doi.org/10.1016/s0040-4039(99)01656-1
https://doi.org/10.1016/s0040-4039(99)01656-1
Autor:
Thomas E. Royster, Schwender Charles F, John H. Dodd, Gregory C. Lindabery, Christopher J. Fenk, Stephen M. Stefanick, Richard A. Conley
Publikováno v:
Journal of Heterocyclic Chemistry. 31:351-355
An eight membered cyclic sulfone 1,4-dihydropyridine, RWJ 22726, 1, with remarkable cardiovascular activity was prepared by isomerization of an exocyclic double bond isomer using various reaction conditions. Under acidic and thermal isomerization con
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7ba17dbbc86cb19b2d78dae3058d13c8
https://doi.org/10.1002/jhet.5570310216
https://doi.org/10.1002/jhet.5570310216
Autor:
Richard A. Conley, Schwender Charles F, Stephen M. Stefanick, Gregory C. Lindabery, John H. Dodd, Christopher J. Fenk, Thomas E. Royster
Publikováno v:
ChemInform. 26
An eight membered cyclic sulfone 1,4-dihydropyridine, RWJ 22726, 1, with remarkable cardiovascular activity was prepared by isomerization of an exocyclic double bond isomer using various reaction conditions. Under acidic and thermal isomerization con
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1feb956fc7b03ea75cc65939882bc89e
https://doi.org/10.1002/chin.199512238
https://doi.org/10.1002/chin.199512238
Autor:
Christopher J. Fenk
Publikováno v:
ChemInform. 31
The preparation of novel 3-(4-methyl-2,6,7-trioxabicyclo[2.2.2]octyl)-Δ2-isoxazolines 2 via nitrile oxide cycloaddition chemistry is described. The target compounds were produced in moderate to good yields using only 2.2 equivalents of alkene and wi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8b019712c9fefb57ca1d4e48e45fb8f3
https://doi.org/10.1002/chin.200005135
https://doi.org/10.1002/chin.200005135
Publikováno v:
Journal of Chemical Education. 77:373
An experiment is described for use in undergraduate biochemistry laboratories. It is designed to take advantage of recent technological improvements in Western blot procedures and may be conveniently conducted in two consecutive 3-hour laboratory per
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::06cf1e9213bac83478e5c8ef083c034d
https://doi.org/10.1021/ed077p373
https://doi.org/10.1021/ed077p373
Autor:
Christopher J. Fenk, Dennis P. Curran
Publikováno v:
Tetrahedron Letters. 27:4865-4868
The preparation of highly substituted β-hydroxy carbonyl compounds from isoxazolines is featured in a synthesis of crispatic acid. A β-hydroxy imine, the proposed intermediate in this transformation, is isolated for the first time and a stereoselec
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::42a1b5ba8dcc283db7607eff955e3d22
https://doi.org/10.1016/s0040-4039(00)85083-2
https://doi.org/10.1016/s0040-4039(00)85083-2
Autor:
Dennis P. Curran, Christopher J. Fenk
Publikováno v:
Journal of the American Chemical Society. 107:6023-6028
La pyrolyse du furoxanne du titre en presence d'olefines mono-, di- et trisubstituees conduit aux isoxazolines-2. Un mecanisme est propose faisant intervenir une cycloreversion du furoxanne en trimethylsiloxy-2 methyl-2 propiononitrile oxyde suivi d'
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ea2607a251250ffcf82eb7e8b4ced37f
https://doi.org/10.1021/ja00307a031
https://doi.org/10.1021/ja00307a031