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Communication | Regular issue | Vol 19, No. 4, 1982, pp.663-668
Published online, 1st January, 1970
DOI: 10.3987/R-1982-04-0663
Indoloquinolizidine N-Oxides and Polonovski Rearrangement

Masako Nakagawa, Yoshimitsu Ogawa, Yuko Miyake, Keiichi Yamaguchi, Tohru Hino, Chian C. Chinag, Judith L. Flippen, and Bernhard Witkop

*Faculty of Pharmaceutical Sciences, Chiba University, 1-33 Yayoi-cho, Inage-ku, Chiba 263-8522, Japan


The structures of two (±)-indoloquinolizidine N-oxides 3a and 3b were determined unequivocally. Their Polonovski rearrangements gave 4, 5, and 1 with acetic anhydride in acetic acid and gave a complex molecule 12 with acetic anhydride.