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Crystal structures and solution conformations of the meso-forms of 2,3,11,12-Tetraphenyl-[18]crown-6

Weber, G., Sheldrick, G. M., Burgemeister, Thomas, Dietl, F., Mannschreck, Albrecht and Merz, A. (1984) Crystal structures and solution conformations of the meso-forms of 2,3,11,12-Tetraphenyl-[18]crown-6. Tetrahedron 40 (5), pp. 855-863.

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The X-ray crystal stuctures of the achiral cis-anti-cis and trans-syn-trans diastereoisomers of 2,3,11,12-tetraphenyl-[18]-crown-6 and their sodium iodide 1:1 complexes are presented. In the free ligands, the vicinal phenyl groups assume a diaxial- antiperiplanar orientation in the cis-anti-cis isomer and a diequatorial-synclinal one in the trans-syn-trans isomer. The vicinal coupling constants ...


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Item type:Article
Institutions:Chemistry and Pharmacy > Institut für Organische Chemie > Alumni or Retired Professors > Prof.Dr. Mannschreck
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Dewey Decimal Classification:500 Science > 540 Chemistry & allied sciences
Created at the University of Regensburg:Unknown
Item ID:17860
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