Online coupling of gas chromatography to nuclear magnetic resonance spectroscopy: method for the analysis of volatile stereoisomers |
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| Authors: | Kühnle Maximilian Kreidler Diana Holtin Karsten Czesla Harri Schuler Paul Schaal Walter Schurig Volker Albert Klaus |
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| Affiliation: | Institute of Organic Chemistry, Chemisches Zentralinstitut, University of Tuebingen, Auf der Morgenstelle 18, D-72076 Tuebingen, Germany. |
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| Abstract: | The identification of volatile cis/trans-stereoisomers was accomplished by employing a hyphenated GC-NMR system. The chromatographic and spectroscopic conditions were optimized with respect to the (1)H NMR detection. A special processing technique was developed to handle the recorded NMR spectra in the gas phase with very low sample amounts. The processed stopped-flow (1)H NMR spectra of the investigated chromatographic peaks unequivocally revealed the structure of the corresponding compounds. |
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