Zobrazeno 1 - 10
of 31
pro vyhledávání: '"Gus A. Ropp"'
Autor:
Eugene C. Coyner, Gus A. Ropp
Publikováno v:
Organic Syntheses
1-(p-Nitrophenyl)-1,3-butadiene reactant: 138 g. (1.0 mole) of p-nitroaniline intermediate: 1-(p-nitrophenyl)-4-chloro-2-butene solvent: 500 ml. of ligroin product: 1-(p-nitrophenyl)-1,3-butadiene Keywords: addition, to CCCC; arylation; diazotization
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c6fed9a19c84fe62d0efa2d77358e9eb
https://doi.org/10.1002/0471264180.os031.28
https://doi.org/10.1002/0471264180.os031.28
Publikováno v:
Journal of the American Chemical Society. 79:4944-4948
For two reactions of formic-C/sup 13/ acid in which the rate steps involve extraction of hydrogen by halogen atoms, the rate isotope effects, k/sub 12//k/syb 13/, have been carefully evaluated by methods involving mass spectrometric analysis of carbo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::069473f5ac149eb1b77d4414872e5335
https://doi.org/10.1021/ja01575a031
https://doi.org/10.1021/ja01575a031
Autor:
Vernon F. Raaen, Gus A. Ropp
Publikováno v:
The Journal of Chemical Physics. 22:1223-1227
The variations of the isotope fractionation factor k14/k12 with changes in ring substituents, reaction temperature, solvent, concentration, and the alcohol group have been studied for the saponification of ethyl benzoates (α‐carbon‐14). The vari
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::886f7fe0314e80f3b418668240d462e4
https://doi.org/10.1063/1.1740338
https://doi.org/10.1063/1.1740338
Autor:
Gus A. Ropp, Eugene C. Coyner
Publikováno v:
Journal of the American Chemical Society. 72:3960-3963
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4704c953ae3ffa3e46a2b67829390ad3
https://doi.org/10.1021/ja01165a035
https://doi.org/10.1021/ja01165a035
Autor:
C. E. Melton, Gus A. Ropp
Publikováno v:
Journal of the American Chemical Society. 80:3509-3512
The principal positive and negative ions in the mass spectra of formic acid and deuteroformic acids are reported. It is shown that the positive ions of mass 45 (CHO/sub 2/sup +/), 29 (CHO/sup +/), and 13 (CH/sup +/) are formed by reactions involving
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::be678043e303b0f2eef3c419c89c3286
https://doi.org/10.1021/ja01547a005
https://doi.org/10.1021/ja01547a005
Autor:
Gus A. Ropp
Publikováno v:
Journal of the American Chemical Society. 82:842-852
By employing deuterium and carbon-14 isotope fractionation studies, carbon-14 tracer studies, and oxygen-18 isotope exchange studies, definite irformation was obtained about the mechanism of decarbonylation of formic acid, triphenylacetic acid and be
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bc9b1793a87ae01eadfe9525a1dd9892
https://doi.org/10.1021/ja01489a021
https://doi.org/10.1021/ja01489a021
Publikováno v:
Journal of the American Chemical Society. 77:1764-1767
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::df501153c2929f1a199ce46c66d54671
https://doi.org/10.1021/ja01612a013
https://doi.org/10.1021/ja01612a013
Autor:
Gus A. Ropp, C. E. Melton
Publikováno v:
The Journal of Chemical Physics. 29:400-405
The dissociation of 5.1 kev HCOOH+, DCOOH+, and HCOOD+ ions by ion‐molecule collision with H2, D2, He, N2, A, and Kr has been investigated in a mass spectrometer. Approximate values for the cross sections for the resultant fragment ions have been c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6a7bba1dce2afe94b516c6293993546e
https://doi.org/10.1063/1.1744493
https://doi.org/10.1063/1.1744493
Publikováno v:
Journal of the American Chemical Society. 75:3694-3697
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a90b0d083d44fe740f497b8b8d0ae390
https://doi.org/10.1021/ja01111a026
https://doi.org/10.1021/ja01111a026