Chiral ligands: unambiguous assignment of absolute configuration by NMR spectroscopy
- 1 January 1993
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 17,p. 1352-1354
- https://doi.org/10.1039/c39930001352
Abstract
Two-dimensional rotating-frame nuclear Overhauser enhancement (ROESY) spectra are used to determine the relative configurations at the chiral carbon atoms in the two diastereoisomers of [o-[graphic omittted]d(Ph2PCHMeCHMePPh2)]+PF6 – derived from (+) Ph2PCHMeCHMePPh21 and [o-[graphic omittted]dCl]2 of known configurations, and hence to show that the (+) form of 1 has the R,Rconfiguration.Keywords
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