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Communication | Regular issue | Vol 16, No. 6, 1981, pp.959-962
Published online, 1st January, 1970
DOI: 10.3987/R-1981-06-0959
Synthesis of an Intermediate to the Tetracyclic Ergot Alkaloids

Mitsutaka Natsume,* Hideaki Muratake, and Yoshihiro Kanda

*Research Foundation Itsuu Laboratorym 2-28-10 Tamagawa, Setagaya-ku, Tokyo 158, Japan

Abstract

4-Nitro-5-[3-hydroxy-2-(1,3-dioxolan-2-ylidene)propyl]-5H-benz[c,d]indole (1b) was synthesized from 4-(1-methoxycarbonyl-2-pyrrolyl)crotonaldehyde (7) as a useful intermediate to the tetracyclic ergot alkaloids.