Zobrazeno 1 - 10 of 22 pro vyhledávání: '"J. J. Uebel"'
1
1H-NMR study of structure and tacticity in p-t-butylstyrene/methyl methacrylate copolymers
Autor: Frank J. Dinan, J. J. Uebel
Publikováno v: Journal of Polymer Science: Polymer Chemistry Edition. 21:1773-1783
Copolymers prepared by the bulk copolymerization of p-t-butylstyrene (S) and methyl methacrylate (M) were analyzed by 1H-NMR. The spectra showed fine structure in the δ 2.2–3.6 region similar to that reported for styrene/methyl methacrylate copoly
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ba4748481f56eff2d9d7487f601a702c
https://doi.org/10.1002/pol.1983.170210619
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4
A reassessment of the 1H-NMR spectra of styrene/methyl methacrylate copolymers
Autor: F. J. Dinan, J. J. Uebel
Publikováno v: Journal of Polymer Science: Polymer Chemistry Edition. 21:2427-2438
The methoxy 1H-NMR assignments in the 2.1–3.7δ region for styrene/methyl methacrylate copolymers have been assessed in terms of pentad sensitivity. Several of the methoxy resonances suggested by this study differ from literature assignments. The e
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0d3b0d3113b72cde92c2092cf2aa5a40
https://doi.org/10.1002/pol.1983.170210825
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5
X-RAY CRYSTAL STRUCTURE OF 1-METHYL-EXO, EXO-3,5-DICHLORO-8-THIATRICYCLO[2.2.1.12,6]-OCTANE TETRAFLUOROBORATE
Autor: R. L. Durney, E. J. Miller, R. L. Caret, J. J. Uebel, Arnold L. Rheingold
Publikováno v: Phosphorus and Sulfur and the Related Elements. 21:215-220
The synthesis and characterization by X-ray crystallography of the 1-methyl-exo, exo-3,5-dichloro-8-thiatricyclo[2.2.1.1.2,6]octane cation (II) is described. Compound II is prepared from the reaction of exo, exo-3,5-dichloro-8-thiatricyclo[2.2.1.1.2,
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::0536cfe9141018f25482532f80981f27
https://doi.org/10.1080/03086648408077659
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6
Condensation of ammonium ion with acetone
Autor: J. J. Uebel, John E. Barry, Sidney D. Ross, Manuel Finkelstein
Publikováno v: Tetrahedron. 34:3401-3404
Recrystallization of ammonium anthranilate or ammonium salicylate from acetone-hexane results in conversion of the ammonium salts to diacetoneammonium salts. The reaction is general for the ammonium salts of amino- and hydroxy-substituted benzoic aci
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::41ae170335a43394e806787ae6eab9e4
https://doi.org/10.1016/0040-4020(78)80225-7
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