New derivatives obtained from ortho-isobornylphenols and 4,13-diaza-18-crown-6 |
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| Authors: | E. V. Buravlev I. Yu. Chukicheva K. Yu. Suponitskii A. V. Kutchin |
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| Affiliation: | 1. Institute of Chemistry, Komi Scientific Center, Ural Branch, Russian Academy of Sciences, ul. Pervomaiskaya 48, Syktyvkar, 167982, Russia
2. Nesmeyanov Institute of Organoelemental Compounds, Russian Academy of Sciences, Moscow, Russia
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| Abstract: | New aminomethyl derivatives were synthesized via Mannich reaction of 4,13-diaza-18-crown-6 with racemic 2-isobornyl-4-methylphenol and 2-isobornylphenol. The diastereoisomers (meso-form and racemate) derived from the racemic terpenophenols were detected by the 13C NMR spectroscopy. The signals were assigned by comparison with the 13C NMR spectrum of the enantiomer of one of the derivatives. The optically active disubstituted diaza-crown-ether molecule was studied by the XRD analysis that showed the presence of the intramolecular hydrogen bonds. |
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