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  • Asymmetric syntheses of (-)-pentazocine and (-)-eptazocine through an aza-Prins cyclization.

Asymmetric syntheses of (-)-pentazocine and (-)-eptazocine through an aza-Prins cyclization.

Chemistry, an Asian journal (2012-08-22)
Qiang Chen, Xing Huo, Zhen Yang, Xuegong She
PMID22907930
ABSTRACT

Two down more to go: The asymmetric syntheses of (-)-pentazocine and (-)-eptazocine are presented. The highlights of the syntheses are the construction of the core skeleton through an aza-Prins cyclization and intramolecular Friedel-Crafts reaction.