Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Colleen K. Regan"'
Autor:
Frank B. Mallory, Alyssa A. Bohen, Joseph M. Bohen, Colleen K. Regan, Patrick J. Carroll, Clelia W. Mallory
Publikováno v:
The Journal of organic chemistry. 80(1)
The in-solution oxidative photocyclization of stilbenes to phenanthrenes is a well-known and synthetically valuable reaction. We report here our discovery that the oxidative photocyclization of several tert-butyl-substituted 1-styrylphenanthrenes res
Autor:
Ahmara V Gibbons, Joseph M. Bohen, Abigail I Nash, Clelia W. Mallory, Rebecca J Aspden, Joy M Racowski, Colleen K. Regan, Annie Butler Ricks, Patrick J. Carroll, Frank B. Mallory
Publikováno v:
The Journal of organic chemistry. 78(5)
In recent years, we have used the photocyclizations of diarylethylenes to synthesize a number of [n]phenacenes in the hope that they might be useful as the bridging groups for electron transfer processes in donor-bridge-acceptor molecules. Because [n
ChemInform Abstract: Gas-Phase Ionic Reactions: Dynamics and Mechanism of Nucleophilic Displacements
Publikováno v:
ChemInform. 29
Nucleophilic displacement reactions (the SN2 reaction) of ions in the gas phase are a prototypical reaction system that allows a study of dynamics, mechanisms, and structure-energy relations. This article reviews aspects of the kinetics (especially t
Autor:
Xin Chen, K. N. Houk, Elizabeth H. Krenske, Colleen K. Regan, Stephen L. Craig, John I. Brauman, William L. Jorgensen
Publikováno v:
Journal of the American Chemical Society. 131(44)
This paper explores the contribution of solvation to the overall steric effects of S(N)2 reactions observed in solution. The reactions of chloride ion with a series of alkyl chloronitriles, RCH(CN)Cl (R = methyl, ethyl, isopropyl, tert-butyl) were in
Publikováno v:
Science (New York, N.Y.). 295(5563)
Rates of S N 2 reactions of chloride ion with methyl- and tert -butyl–substituted chloroacetonitrile were measured by using Fourier transform–ion cyclotron resonance spectrometry to follow the isotopic exchange reaction. Barrier heights for these
Publikováno v:
Science (New York, N.Y.). 279(5358)
Nucleophilic displacement reactions (the S N 2 reaction) of ions in the gas phase are a prototypical reaction system that allows a study of dynamics, mechanisms, and structure-energy relations. This article reviews aspects of the kinetics (especially