A simple chiral derivatisation protocol for 1H NMR spectroscopic analysis of the enantiopurity of O-silyl-1,2-amino alcohols

作者: Magdalena E. Powell , Andrew M. Kelly , Steven D. Bull , Tony D. James

DOI: 10.1016/J.TETLET.2008.12.013

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摘要: Abstract A simple chiral derivatisation protocol for determining the enantiopurity of O-silyl-protected-1,2-amino alcohols by 1H NMR spectroscopic analysis is described, which involves their treatment with 2-formylphenylboronic acid and enantiopure (syn)-methyl-2,3-dihydroxy-3-phenylpropionate to afford mixtures imino-boronate esters whose diastereoisomeric ratio an accurate reflection parent amino alcohol.

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