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Communication | Regular issue | Vol 26, No. 6, 1987, pp.1499-1501
Published online, 1st January, 1970
DOI: 10.3987/R-1987-06-1499
A New Total Synthesis of Oxyterihanine

Miyoji Hanaoka, Nobuyuki Kobayashi, and Chisato Mukai

*Faculty of Pharmaceutical Scicences, Kanazawa University, 13-1 Takara-machi, Kanazawa 920-0934, Japan


Oxyterihanine (1), a phenolic benzo[c]phenanthridine alkaloid, was efficiently synthesized from the corresponding protoberberine 4 through C6-N bond cleavage and subsequent cyclization via the acetal (12).