## Abstract The mass spectral fragmentations of sixteen new 2βand 4β__o__β(__m__β and __p__β)substituted benzylthiouracils and __o__β(__m__β and __p__β)substituted 2,4βdibenzylthiouracils with NO~2~ and CI substituents in the benzyl groups were investigated. Fragmentation pathways are proposed on t
Mass spectrometry of N-substituted amino acids and their derivatives: Correlation of the abundances of the M+. and selected fragment ions of metamers
β Scribed by E. Wyrzykiewicz; D. Prukala
- Publisher
- John Wiley and Sons
- Year
- 1994
- Tongue
- English
- Weight
- 402 KB
- Volume
- 29
- Category
- Article
- ISSN
- 1076-5174
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β¦ Synopsis
The mass spectral fragmentations of nineteen new metameric N-(E)-stilbenyloxyalkylcarboayl-[or (E)4'chlorostilbenyloxyalkylcarbonyl)~ -substituted amino acids and their metameric methyl esters and hydrazides were investigated. Fragmentation pathways are proposed on the basis of accurate mass and metastable transition measurements. The correlation between the intensities of M+' and the selected fragment ions of these compounds is discussed. The data obtained create the basis for distinguishing metamers.
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## Abstract The mass spectral fragmentation of eight new 3βoxothiazolo[3,2β__a__] and [3,2β__c__]pyrimidinβ5βones were investigated. Fragmentation pathways are proposed on the basis of accurate mass and metastable transition measurements. The correlation between the intensities of M^+.^ and the sel
The mass spectral fragmentations of eight 2-alkylthiouracils with C,,,, C I 2 , C,, and C,, in the alkylthio group were investigated. Fragmentation pathways are proposed on the basis of accurate mass and metastable transition measurements. The correlation between the intensities of the M" and [ M -'
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