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Synthesis 1993; 1993(8): 775-776
DOI: 10.1055/s-1993-25938
short paper
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Synthese eines tetracyclischen Lactams durch regioselektive Haller-Bauer-Spaltung/Grob Fragmentierung

Frédéric Guir* , Duc Do Khac, Mohamed Benchikh-le-Hocine, Marcel Fétizon
  • *Laboratoire de Synthèse Organique, D.C.S.O. Ecole Polytechnique, F-91128 Palaiseau, France
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Publication Date:
27 September 2002 (online)

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Synthesis of a Tetracyclic Lactam by Regioselective Haller-Bauer Scission/Grob Fragmentation The polycyclic ketone 3b, which has been synthesized in good yield as a model compound in search of a new approach to taxane derivatives, undergoes a regiospecific Haller-Bauer fragmentation leading eventually to lactam 4.