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Communication | Regular issue | Vol 3, No. 6, 1975, pp.459-465
Published online, 1st January, 1970
DOI: 10.3987/R-1975-06-0459
Structure Elucidation of Two New Tetrahydroprotoberberine Alkaloids, Corytenchine and Corytenchirine

Sheng-Teh Lu, Tsann-Long Su, Tetsuji Kametani,* Akira Ujiie, Masataka Ihara, and Keiichiro Fukumoto

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


The structures of two tetrahydroprotoberberines, corytenchine and corytenchirine, from Corydalis ochotensis Turcz were assigned to 3 and 12, respectively.