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Issue 3, 2003
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Pasteur-like resolution of quasi-racemates in solid and gas phases

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Abstract

Isotopomeric quasi-racemates (IQR), i.e., 1:1 mixtures of enantiomers one of which contains an isotopic label, can undergo crystallisation as conglomerates or true quasi-racemates. In the former case, each single crystal contains, predominantly or exclusively, either labelled or non-labelled enantiomers, whereas in the latter case, it contains both enantiomers (1:1). If solution sputtering is used to ionise quasi-racemates, the formation of homochiral protonated and metallated enantiomers and their homo-chiral oligomers in the gas phase is detected in ion cyclotron resonance (ICR) mass spectra; these compounds differ in their m/z values; hence, Pasteur-like 'manual sorting' can be employed to catch them successively in the ion trap of the spectrometer.

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Article information


Submitted
22 May 2003

Mendeleev Commun., 2003,13, 97-99
Article type
Communication

Pasteur-like resolution of quasi-racemates in solid and gas phases

R. G. Kostyanovsky, E. N. Nikolaev, O. N. Kharybin, G. K. Kadorkina and V. R. Kostyanovsky, Mendeleev Commun., 2003, 13, 97
DOI: 10.1070/MC2003v013n03ABEH001801

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