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Report | Regular issue | Vol 14, No. 11, 1980, pp.1771-1774
Published online, 1st January, 1970
DOI: 10.3987/R-1980-11-1771
Stereoselective Synthesis of (±)-Dihydrocorynantheol via Enamine Annelation

Tetsuji Kametani,* Naoaki Kanaya, Hiroaki Hino, Shyh-Pyng Huang, and Masataka Ihara

*Pharmaceutical Institute, Tohoku University, Aobayama, Sendai 980-8578, Japan

Abstract

A facile stereoselective synthesis of (±)-dihydrocorynantheol (8) was achieved via the key step of enamine annelation using 3,4-dihydro-1-methyl-β-carboline (1) and dimethyl 3-methoxyallidenemalonate (2).