Studies in chemical ionization mass spectrometry part. XVI: Are the reactions of aliphatic cc double bonds with NO+ governed by remote functional groups?

Autor:	E. Busker, W. Francke, Herbert Budzikiewicz, B. Schneider, Wilhelm Boland
Rok vydání:	1987
Předmět:	chemistry.chemical_classification Chemical ionization Double bond chemistry Stereochemistry Molecular Medicine Cleavage (embryo) Instrumentation Biochemistry Medicinal chemistry Spectroscopy Spectral line Ion
Zdroj:	Organic Mass Spectrometry. 22:458-461
ISSN:	1096-9888 0030-493X
DOI:	10.1002/oms.1210220713
Popis:	It is shown that the characteristic fragments observed by Malosse and Einhorn (Adv. Mass Spectrom. 1369 (1986)) in the CI(NO) spectra of alkenyl acetates and related compounds (cleavage of the double bond and formation of an acyl ion), which had not been reported, for alkenes and alkenoic acids, for example, are actually formed from all straight-chain olefinic compounds (the only exceptions being where the double bond is too close to one of the ends of the chain). Their relative abundance may, however, vary from almost zero to 100%, and it is highly dependent on experimental parameters (e.g. the source temperature and even the type of instrument used). Apparent inconsistencies in the data reported in the literature could thus be resolved.
Databáze:	OpenAIRE
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