"Ionic" Diels-Alder reaction of hetaryldienamines

Heterocyclic Communications

Volumn 3, Issue 5, 1997, Pages 449-452

  Kotschy, András ^a   Hajós, György ^a   Timári, Géza ^a   Messmer, András ^a   Schantl, Joachim G ^b  

^a CTRL RES INSTITUTE FOR CHEMISTRY   (Hungary)

^b UNIVERSITY OF INNSBRUCK   (Austria)

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EID: 0031316590     PISSN: 07930283     EISSN: None     Source Type: Journal    
DOI: None     Document Type: Article

References (11)

1. A. Messmer, Gy. Hajós, and G. Timári, Tetrahedron 48, 8451 (1992)
2. A. Kotschy, Gy. Hajós, and A. Messmer, J. Org. Chem. 60, 4919 (1995)
3. A. Kotschy, G. Timári, Gy. Hajós, and A. Messmer, J. Org. Chem. 61, 4423 (1996)
4. A. Messmer, Gy. Hajós, and G. Timári, Monatsh. Chem. 119, 1113 (1988)
5. 3): δ 10.13 (s, 1H), 8.75 (s, 1H), 8.59 (t, J = 2.0 Hz, 1H), 8.52 (dt, 1H), 8.39 (dt, J = 9.0, 2.0 Hz, 1H), 7.96 (dt, J = 9.0, 2.0 Hz, 1H), 7.85 (s, 1H), 7.32-7.19 (m, 10H)
6. The oxidation of related dienes to α,β-unsaturated aldehydes has been reported: A. Gelléri and A. Messmer, Tetrahedron Lett. 14, 4295 (1973). R. Taylor. J. Chem. Res. (S), 1987, 178
7. The oxidation of related dienes to α,β-unsaturated aldehydes has been reported: A. Gelléri and A. Messmer, Tetrahedron Lett. 14, 4295 (1973). R. Taylor. J. Chem. Res. (S), 1987, 178
8. D. B. Gorman and P. G. Gassman. J. Org. Chem. 60, 977 (1995), and references cited therein
9. S. Hünig and H. Kahanek, Chem. Ber. 90, 238 (1957)
10. 3) of 7a: δ 8.75 (s, 1H), 8.66 (t, J = 2.2 Hz, 1H), 8.31 (dt, J = 7.9, 2.2 Hz, 1H), 8.04 (dt, J = 7.9, 2.2 Hz, 1H), 7.84 (s, 1H), 7.61 (t, J = 7.9 Hz, 1H), 7.33-7.18 (m. 10H), 2.81 (s, 3H).
11. For an analogous case see. J. Cioslowski, J. Sauer, J. Hetzenegger, T. Karcher, and T. Hierstetter, J. Am. Chem. Soc. 115, 1353 (1993)