Key points are not available for this paper at this time.
In addition: The scope of the title reaction is demonstrated by the synthesis of chiral lactones and lactams. The latter class of compounds is very important for the preparation of the pharmaceutical compounds such as (−) -paroxetine and (+) -femoxetine. Supporting information for this article is available on the WWW under http: //www. wiley-vch. de/contents/jc₂002/2006/z601025ₛ. pdf or from the author. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
Brandau et al. (Fri,) studied this question.