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Communication | Regular issue | Vol 12, No. 2, 1979, pp.243-246
Published online, 1st January, 1970
DOI: 10.3987/R-1979-02-0243
An Azabycyclo[3.3.1]nonanone Apprpach to Tecoma Alkaloids: A Stereoselective Synthesis of (±)-7-Demethyltecomanine

Takefumi Momose,* Masahiko Kinoshita, and Takeshi Imanishi

*Faculty of Pharmaceutical Sciences, Osaka University, 1-6 Yamadaoka, Toyonaka, Osaka 560-0043, Japan

Abstract

A stereoselective synthesis of (±)-7-demethyltecomanine (2) via a 3-azabicyclo[3.3.1]nonane precursor (4) which has the same configuration at the 3,5-position on the piperidine ring as that for tecomanine (1) is described.