Synthese und Konformation einiger Azaspirane mit Alkyl-bzw. Aryl-Sulfonamid-Gruppen |
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| Authors: | Stefan Smoliński Maria Kubaszek |
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| Institution: | (1) Stereochemisches Laboratorium, Institut für Chemie, Jagellonische Universität, PL-30 060 Kraków, Polen |
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| Abstract: | Preferred conformations of some azaspiran systems substituted with large groups at the nitrogen atoms were established by UV absorption spectroscopy. These groups prohibit the inversion at nitrogen, as was deduced from the1H NMR spectra. |
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| Keywords: | N-atom inversion Steric hindrance UV 1H-NMR-spectroscopy |
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