Discovery of the acetyl cation, CH3CO+, in space and in the laboratory

J Cernicharo, C Cabezas, S Bailleux… - Astronomy & …, 2021 - aanda.org
Using the Yebes 40 m and IRAM 30 m radiotelescopes, we detected two series of
harmonically related lines in space that can be fitted to a symmetric rotor. The lines have …

Gas-phase thermochemical properties of pyrimidine nucleobases

M Liu, T Li, FS Amegayibor, DS Cardoso… - The Journal of …, 2008 - ACS Publications
The gas-phase acidity and proton affinity of thymine, cytosine, and 1-methyl cytosine have
been examined using both theoretical (B3LYP/6-31+ G*) and experimental (bracketing …

Acidity and proton affinity of hypoxanthine in the gas phase versus in solution: intrinsic reactivity and biological implications

X Sun, JK Lee - The Journal of Organic Chemistry, 2007 - ACS Publications
Hypoxanthine is a mutagenic purine base that most commonly arises from the oxidative
deamination of adenine. Damaged bases such as hypoxanthine are associated with …

Microcanonical analysis of the kinetic method. The meaning of the “apparent entropy”

KM Ervin - Journal of the American Society for Mass Spectrometry, 2002 - Springer
A rigorous analysis of the kinetic method is carried out using Rice-Ramsperger-Kassel-
Marcus (RRKM) theory of microcanonical statistical unimolecular dissociation rates. The …

Thermochemical determinations by the kinetic method with direct entropy correction

X Zheng, RG Cooks - The Journal of Physical Chemistry A, 2002 - ACS Publications
The kinetic method, which is based on the competitive dissociations of mass-selected cluster
ions, has been increasingly applied in thermochemical determination mainly due to its …

Proton affinity of lysine homologues from the extended kinetic method

OE Schroeder, EJ Andriole, KL Carver… - The Journal of …, 2004 - ACS Publications
The proton affinities of lysine (1) and its three homologues ornithine (2), 2, 4-
diaminobutanoic acid (3), and 2, 3-diaminopropanoic acid (4) have been determined using …

Gas phase basicities of polyfunctional molecules. Part 6: Cyanides and isocyanides

G Bouchoux - Mass Spectrometry Reviews, 2018 - Wiley Online Library
This paper gathers structural and thermochemical informations related to the gas‐phase
basicity of molecules containing cyanides (nitriles) and isocyanides (isonitriles) functional …

Direct detection of acetonitrile at the pptv level with photoinduced associative ionization time-of-flight mass spectrometry

K Jiang, Z Yu, Z Wei, S Cheng, H Wang, Z Yan… - Analytical …, 2023 - pubs.rsc.org
Photoionization mass spectrometry (PI-MS) has become a versatile tool in the real-time
analysis of volatile organic compounds (VOCs) from the atmosphere or exhaled breath …

Oxidant effect, skeletal rearrangements and solvent interception in oxidative triflamidation of norbornene and 2, 5-norbornadiene

MY Moskalik, BA Shainyan, IA Ushakov, IV Sterkhova… - Tetrahedron, 2020 - Elsevier
Unlike the previous studies of oxidative triflamidation, the reactions of triflamide with
norbornene and norbornadiene in nitriles RCN (R= Me, i-Bu, Ph) or THF in the presence of t …

[HTML][HTML] Triflamidation of allyl-containing substances: Unusual dehydrobromination vs. intramolecular heterocyclization

AS Ganin, MY Moskalik, IA Garagan, VV Astakhova… - Molecules, 2022 - mdpi.com
Allyl halides with triflamide under oxidative conditions form halogen-substituted amidines.
Allyl cyanide reacts with triflamide in acetonitrile or THF solutions in the presence of NBS to …