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Titolo:
Measurement of the proton affinities of some methyl substituted pyrimidines via the kinetic method on a pentaquadrupole mass spectrometer
Autore:
Thomas, PD; Morrison, RJS;
Indirizzi:
Monash Univ, Dept Chem, Clayton, Vic 3168, Australia Monash Univ Clayton Vic Australia 3168 Chem, Clayton, Vic 3168, Australia Purdue Univ, Dept Chem, Aston Lab Mass Spectrometry, W Lafayette, IN 47907USA Purdue Univ W Lafayette IN USA 47907 ectrometry, W Lafayette, IN 47907USA
Titolo Testata:
INTERNATIONAL JOURNAL OF MASS SPECTROMETRY
fascicolo: 2-3, volume: 194, anno: 2000,
pagine: 133 - 143
SICI:
1387-3806(20000107)194:2-3<133:MOTPAO>2.0.ZU;2-E
Fonte:
ISI
Lingua:
ENG
Soggetto:
THERMOCHEMICAL DETERMINATIONS; MOLECULES; CATION; IONS;
Keywords:
tandem mass spectrometry; pentaquadrupole; proton affinity; kinetic method; pyrimidine;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
20
Recensione:
Indirizzi per estratti:
Indirizzo: Morrison, RJS Monash Univ, Dept Chem, Clayton, Vic 3168, Australia Monash Univ Clayton Vic Australia 3168 Vic 3168, Australia
Citazione:
P.D. Thomas e R.J.S. Morrison, "Measurement of the proton affinities of some methyl substituted pyrimidines via the kinetic method on a pentaquadrupole mass spectrometer", INT J MASS, 194(2-3), 2000, pp. 133-143

Abstract

The proton affinities of 4,6-dimethyl-pyrimidine and 4-methyl-pyrimidine have been measured using the kinetic method on a pentaquadrupole mass spectrometer. The experimental affinities are compared with those calculated by ab initio molecular orbital methods. Some unexpected results obtained duringthis work have been attributed to the formation of the 6-methyl-pyrimidin-4-yl radical and its proton affinity has also been estimated by both theoryand experiment. (Int J Mass Spectrom 194 (2000) 133-143) (C) 2000 ElsevierScience B.V.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 13/07/20 alle ore 10:39:38