Abstract
The oxazaborolo-benzoxazaborinine derivatives (3) of resorcinarene have been synthesized from (1S,2R)-ephedrine. The reaction yields the crown and diamond conformers of the bora derivative of resorcinarene in high diastereomeric excess (de > 97%). The crystallographic structure of the crown conformer of (3) was determined.
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Iwanek, W., Fröhlich, R. & Schurig, V. The Synthesis of Oxazaborolo-benzoxazaborinine Derivatives of Resorcinarene from (1S,2R)-ephedrine. Journal of Inclusion Phenomena 49, 75–79 (2004). https://doi.org/10.1023/B:JIPH.0000031116.87700.f3
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DOI: https://doi.org/10.1023/B:JIPH.0000031116.87700.f3