Abstract
The enantiomeric excess obsd. for the exo-adduct from the Lewis acid catalyzed Diels-Alder reaction between cyclopentadiene and methacrolein can be increased up to 21% by simple modification of the electronics of the arom. ring in a series of stilbene-derived diol ligands, suggesting that the proposed face-face π-π interaction between the catalyst and the dienophile can be modulated by altering the electron d. on the arom. ring.
| Original language | Undefined/Unknown |
|---|---|
| Pages (from-to) | 1627-1629 |
| Number of pages | 3 |
| Journal | Tetrahedron Letters |
| Volume | 46 |
| Issue number | 10 |
| DOIs | |
| Publication status | Published - 2005 |
Keywords
- methacrolein
- dienophile
- aromatic rings
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