Spirane—III 3,3′-spirobi[benzo-[2H.4H]-[1.5]-dioxepin] |
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Affiliation: | Lehrstuhl für Organische Chemie der Jagellonischen Universität, Kraków, Polen, G.D.R. |
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Abstract: | The conformation of the mentioned new spiran system has been determined by NMR spectroscopy. It contains two heterocyclic rings in the chair form, is chiral and shows a twofold axis of symmetry. |
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