Asymmetric hetero Diels-Alder as an access to carbacephams
- Avenoza, A. 1
- Busto, J.H. 1
- Cativiela, C. 2
- Corzana, F. 1
- Peregrina, J.M. 1
- Zurbano, M.M. 1
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1
Universidad de La Rioja
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2
Instituto de Nanociencia y Materiales de Aragón
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ISSN: 0022-3263
Année de publication: 2002
Volumen: 67
Número: 2
Pages: 598-601
Type: Article
D'autres publications dans: Journal of Organic Chemistry
Résumé
A short and efficient asymmetric synthesis of the (6R,7S)-7-tert-butoxycarbonylamino-2-ketocarbacepham is described. The key step involves the hetero Diels-Alder reaction of the benzylimine derived from the enantiomer of Garner's aldehyde with Danishefsky's diene.