Abstract
The vinylglycine-derived N-cinnamyl-N-allyl carbamates 1, 4 and 7 were prepared and their sensitized intramolecular [2+2]-photocycloaddition to the exo-products 2, 5 and 6 was studied (53-77% yield). Perfect facial diastereoselection (d.r. = >95/5) was observed in the photocycloaddition of the rigid oxazolidinone 4 and of the conformationally fixed acyclic carbamate 7.
| Original language | English |
|---|---|
| Pages (from-to) | 2103-2104 |
| Number of pages | 2 |
| Journal | Tetrahedron Letters |
| Volume | 40 |
| Issue number | 11 |
| DOIs | |
| State | Published - 12 Mar 1999 |
| Externally published | Yes |
Keywords
- Amino acids and derivatives
- Asymmetric induction
- Cycloadditions
- Photochemistry
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