Synlett 2009(6): 1014-1018  
DOI: 10.1055/s-0028-1088206
LETTER
© Georg Thieme Verlag Stuttgart ˙ New York

Novel Regio- and Stereoselective Synthesis of Functionalized 3-Spiropyrrolidines and 3-Spiropyrrolizidines Using the Baylis-Hillman Adducts Derived from Nitroolefins

Manickam Bakthadoss*, Nagappan Sivakumar
Department of Organic Chemistry, University of Madras, Guindy Campus, Chennai 600025, Tamilnadu, India
Fax: +91(44)22352494; e-Mail: bhakthadoss@yahoo.com;
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Publikationsverlauf

Received 2 October 2008
Publikationsdatum:
16. März 2009 (online)

Abstract

A facile regio- and stereoselective synthesis of functionalized 3-spiropyrrolidines and 3-spiropyrrolizidines using the ­Baylis-Hillman adducts derived from nitroolefins via intermolecular [3+2] cycloaddition reaction is reported.

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The X-ray crystal structure data of 6a and 7d have been deposited at the Cambrigde Crystallographic Data Centre and allocated the deposition numbers CCDC 676397 (6a), and CCDC 676668 (7d). These data can be obtained free of charge from The Cambridge Crystallographic Data Centre via www.ccdc.cam.ac.uk/data_request/cif.