Axially chiral amidinium ions as inducers of enantioselectivity in Diels-Alder reactions

Organic Letters

Volumn 2, Issue 2, 2000, Pages 179-181

  Schuster, Tilmann ^a   Bauch, Markus ^a   Dürner, Gerd ^a   Göbel, Michael W ^a  

^a GOETHE UNIVERSITY   (Germany)

Author keywords

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Indexed keywords

EID: 0000714570     PISSN: 15237060     EISSN: None     Source Type: Journal    
DOI: 10.1021/ol991276i     Document Type: Article

References (9)

1. (a) Dane, E.; Schmitt, J. Justus Liebigs Ann. Chem. 1938, 536, 197.
2. (b) Dane, E.; Schmitt, J. Justus Liebigs Ann. Chem. 1939, 537, 207.
3. Singh, G. J. Am. Chem. Soc. 1956, 78, 6109.
4. Quinkert, G.; Del Grosso, M.; Döring, A.; Döring, W.; Schenkel, R. I.; Bauch, M.; Dambacher, G. T.; Bats, J. W.; Zimmermann, G.; Dürner, G. Helv. Chim. Acta 1995, 78, 1345 and references cited therein.
5. Schuster, T.; Kurz, M.; Göbel, M. W. J. Org. Chem., submitted for publication.
6. Preparation of compound 8: Lehr, S.; Schütz, K.; Bauch, M.; Göbel, M. W. Angew. Chem. 1994, 106, 1041; Angew. Chem., Int. Ed. Engl. 1994, 33, 984.
7. Preparation of compound 8: Lehr, S.; Schütz, K.; Bauch, M.; Göbel, M. W. Angew. Chem. 1994, 106, 1041; Angew. Chem., Int. Ed. Engl. 1994, 33, 984.
8. Schuster, T.; Göbel, M. W. Synlett 1999, 966.
9. For a description of preparative and analytical methods see ref 4. All new compounds have been characterized by the usual spectroscopic methods and gave satisfactory elemental analyses.