Studies on the constituents of the crude drug "Piperis Longi Fructus." On the alkaloids of fruits of Piper longum L.

Chemical and Pharmaceutical Bulletin
1983.0

Abstract

Two new piperidine alkaloids, pipernonaline and piperundecalidine, were isolated from fruits of Piper longum L. (Piperaceae). Their structures were determined to be (2E, 8E)-N-[9-(3,4-methylenedioxyphenyl)-2,8-nonadienoyl]piperidine and (2E, 4E, 10E)-N-[11-(3,4-methylenedioxyphenyl)-2,4,10-undecatrienoyl]piperidine, respectively, on the basis of spectral data.

DOI： 10.1248/CPB.31.3562

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