Abstract
The chiral bicyclic guanidinium compound (2b) binds oxoanionic guests by a unique ion pairing pattern, which is confirmed by the X-ray crystal structure of the nitrate salt (2S, 8S)-2,8-bis(t-butyldiphenylsilyloxymethyl)-3,4,6,7,8,9- hexahydro-2H-pyrimido[1,2a]pyrimidine hydronitrate, and allows enantiodifferentiation of racemic carboxylic acids by NMR.
| Original language | English |
|---|---|
| Pages (from-to) | 55-57 |
| Number of pages | 3 |
| Journal | Journal of the Chemical Society, Chemical Communications |
| Issue number | 1 |
| DOIs | |
| State | Published - 1990 |
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