Circular Dichroism Laser Mass Spectrometry: Differentiation of 3-Methylcyclopentanone Enantiomers

Rotational sense does matter! Left and right circularly polarised laser light can be used to achieve different ionisation yields when applying multiphoton ionisation to chiral ketones (see picture). So a new type of enantioselective laser mass spectrometry becomes possible which also gives informati...

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Veröffentlicht in:	Chemphyschem 2006-10, Vol.7 (10), p.2085-2087
Hauptverfasser:	Boesl von Grafenstein, Ulrich, Bornschlegl, Alexander
Format:	Artikel
Sprache:	eng
Schlagworte:	Analytical chemistry Calibration carbonyl compounds Chemistry chirality circular dichroism Circular Dichroism - instrumentation Circular Dichroism - methods Cyclopentanes - chemistry Exact sciences and technology laser spectroscopy mass spectrometry Spectrometric and optical methods Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization - instrumentation Spectrometry, Mass, Matrix-Assisted Laser Desorption-Ionization - methods Stereoisomerism
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Beschreibung
Zusammenfassung:	Rotational sense does matter! Left and right circularly polarised laser light can be used to achieve different ionisation yields when applying multiphoton ionisation to chiral ketones (see picture). So a new type of enantioselective laser mass spectrometry becomes possible which also gives information on the involved electronic transitions.
ISSN:	1439-4235 1439-7641
DOI:	10.1002/cphc.200600376