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pro vyhledávání: '"35"'
Publikováno v:
Journal of the American Chemical Society. 114:8177-8180
The hydrogen-bonded dimer CH 3 NC...HCl has been isolated in a pulsed jet by keeping the reactive components CH 3 NC and HCl separate until the point at which they expand into the evacuated Fabry-Perot cavity of a pulsed nozzle Fourier-transform micr
Publikováno v:
Journal of the American Chemical Society. 127:10712-10722
A two step synthesis to the isocyanotris(trifluoromethyl)borate anion, [(CF3)3BNC]-, and its isomerization to the cyanotris(trifluoromethyl)borate anion, [(CF3)3BCN]-, at temperatures above 150 degrees C are presented. In the first step (CF3)3BNCH wa
Publikováno v:
Journal of the American Chemical Society. 122:6357-6363
A high-throughput technique for elucidating Hammett relationships on solid supports and its application to the comparison of various commercially available solid supports is reported. Specifically, we report the use of competition experiments to deri
Autor:
Krisztina Takács-Novák, Peter I. Nagy
Publikováno v:
Journal of the American Chemical Society. 119:4999-5006
The equilibrium ratios for the zwitterionic and neutral forms of the nicotinic and isonicotinic acids (3- and 4-COOH pyridines) have been determined by spectrophotometry in mixtures of water with methanol, tetrahydrofuran and dioxane. The zwitterioni
Autor:
Helen P. Graves, Christian Detellier
Publikováno v:
Journal of the American Chemical Society. 110(18)
The kinetics of dissociation of (18-crown-6, Na/sup +/)/sup 1/ in propylene carbonate (PC), acetonitrile (AN), pyridine (PY), and acetone (AC) have been determined by /sup 23/Na NMR. Two mechanisms of exchange, namely unimolecular dissociative and bi
Autor:
Mark R. Colsman, Timothy D. Newbound, M. D. Noirot, James S. Frye, Gary Wulfsberg, Steven H. Strauss, Oren P. Anderson, Laura J. Marshall, Mary M. Miller
Publikováno v:
Journal of the American Chemical Society. 112:2349-2362
The complexes [Ag(CH 2 Cl 2 )(OTeF 5 )] 2 , [Ag(1,2-C 2 H 4 Cl 2 )(OTeF 5 )] 2 , Ag 2 (CH 2 Cl 2 ) 4 Pd(OTeF 5 ) 4 , and Ag 2 (1,2-C 2 H 4 Cl 2 ) 4 Pd(OTeF 5 ) 4 have been prepared and studied by solution conductimetry, by tensimetric titrations with
Autor:
Suzy Surblé, Michel Latroche, Christian Serre, Franck Millange, Gérard Férey, Sandrine Bourrelly, Tina Düren, Philip L. Llewellyn
Publikováno v:
Journal of the American Chemical Society. 128(46)
A new three-dimensional chromium(III) naphthalene tetracarboxylate, CrIII3O(H2O)2F{C10H4(CO2)4}1.5.6H2O (MIL-102), has been synthesized under hydrothermal conditions from an aqueous mixture of Cr(NO3)3.9H2O, naphthalene-1,4,5,8-tetracarboxylic acid,
Publikováno v:
Journal of the American Chemical Society. 128(2)
Results from chemical trapping experiments in micellar solutions containing 1.5-5 mM aqueous solutions of three didodecyl dicationic dibromide gemini surfactants with different methylene spacer lengths (12-n-12 2Br where n = 2-4 CH(2) groups) gave qu
Autor:
Michael Burgess, Dayong Sun, Christopher A. Reed, Peter D. W. Boyd, Leila Chaker, Fook S. Tham
Publikováno v:
Journal of the American Chemical Society, vol 122, iss 43
J. Am. Chem. Soc. 2000, 122, 10704-10705 Communications to the Editor Porphyrin-Fullerene Host-Guest Chemistry Dayong Sun, Fook S. Tham, Christopher A. Reed,* Leila Chaker, † Michael Burgess, † and Peter D. W. Boyd* ,† Department of Chemistry U
Publikováno v:
Journal of the American Chemical Society. 104:2539-2543
Described is the surface coordination chemistry of cyclohexane, 1,3- and 1,4-cyclohexadiene, and cyclohexene on the low Miller index planes and a stepped surface of nickel and on the platinum (111) and stepped 6(111)X(111) surfaces as established by