Intramolecular Michael Addition of O-nucleophiles

There appear to be no reports of asymmetric organocatalytic intramolecular Michael additions of N-, S- or Se-nucleophiles. 

1 For recent and general reviews on catalytic asymmetric Michael additions, see (a) N. Krause, A. Hoffmann-Roder, Synthesis 2001, 171-196 (b) M. P. Sibi, S. Manyem, Tetrahedron 2000, 56, 8033-8061. 

3 For a review on the use of alkaloids in asymmetric organocatalysis, see H. Wynberg, Topics Stereochem. 1986, 36, 87-129. 

MacMillan, /. Am. Chem. Soc. 2000, 122, 4243-4244. For the synthesis of polymer-bound derivatives of the MacMillan catalyst and applications in Diels-Alder reactions, see M. Benaglia, G. Celentano, 

36 For diastereoselective additions of preformed chiral enamines to Michael-acceptors, see D. Seebach, M. Missbach, G. Calderari, M. Eberlb, /. Am. Chem. Soc. 1990, 112, 7625-7638 S. J. Biarer, D. Seebach, Chem. Ber. 1983, 116, 2250-2260 S. Yamada, K. Hiroi, K. Achiwa, Tetrahedron Lett. 1969, 4233-4236. 

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