| Autor: |
Hurtley AE; Department of Chemistry, University of Wisconsin-Madison, 1101 University Avenue, Madison, WI 53706., Cismesia MA, Ischay MA, Yoon TP |
| Jazyk: |
angličtina |
| Zdroj: |
Tetrahedron [Tetrahedron] 2011 Jun 17; Vol. 67 (24), pp. 4442-4448. |
| DOI: |
10.1016/j.tet.2011.02.066 |
| Abstrakt: |
We have discovered a photocatalytic intramolecular hetero-Diels-Alder reaction of tethered bis(enones). This transformation involves the intermediacy of an enone radical anion and constitutes the formal coupling of an electron-deficient heterodiene with an electronically mismatched enone dienophile. The diastereoselectivity and regioselectivity of the process are high, and the dihydropyran products are amenable to a variety of synthetically useful transformations. |
| Databáze: |
MEDLINE |
| Externí odkaz: |
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