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Communication | Regular issue | Vol 34, No. 5, 1992, pp.899-902
Published online, 1st January, 1970
DOI: 10.3987/COM-92-5992
Studies on Pyridinium N-Ylides: One Step Synthesis of Heteropolycycles, Indolizinoquinolizines

Yoshiro Matsuda,* Makoto Yamashita, Kimitoshi Takahashi, Shizuki Ide, Kazuki Furuno, Katsura Torisu, Takahiro Itou, and Chieko Motokawa

*School of Pharmaceutical Sciences, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki 852, Japan


The heteropolycycles, indolizinoquinolizines (3,4) were obtained by the reaction of pyridylketene dithioacetal (1) with two molar equivalents of pyridinium salts (2a,b).