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Communication | Regular issue | Vol 9, No. 11, 1978, pp.1527-1531
Published online, 1st January, 1970
DOI: 10.3987/R-1978-11-1527
New Syntheses of Flavopereirine and Yohimbanes by Enamide Photocyclization

Ichiya Ninomiya,* Yukiko Tada, Toshiko Kiguchi, Okiko Yamamoto, and Takeaki Naito

*Kobe Women‘s College of Pharmacy, Motoyamakita, Higashinad, kobe, Hyogo 658, Japan


As an extension of the application of enamide photocyclization to the synthesis of protoberberine alkaloids1 , new total syntheses of flavopereirine (6), one of the simplest alkaloids of Strychnos plants, and yohimbanes (11a, b, and c), the basic structures of the alkaloid yohimbine, are described.