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PP Diaz, BC Ramos, GE Matta

1986/7

Journal of natural products

49

4

690-691

American Chemical Society

NEW C6-C3 AND C6-C, COMPOUNDS FROM PIPER LENTICELLOSUM Page 1 690 Journal of Natural Products Vol. 49, No. 4,pp. 690-69l,Jul-Aug 1986 NEW C6-C3 AND C6-C, COMPOUNDS FROM PIPER LENTICELLOSUM PP Diaz, BC Ramos, and GE Matta Departamento de Química, Facultad de Ciencias, Universidad Nacional de Colombia, Bogotá, Colombia The medicinal uses of Piper species are many and varied (1). Piper lenticellosum CDC, commonly known in Colombia as “cordoncillo oloroso” and/or “cordoncillo aromático,” is used in folk medicine; published data indicate that it has dermatological, anti-diarrheal, and parasiticidal activity (2). The isolation of 3,4-methylenedioxypropenylbenzene, 3,5-dimethoxytoluene, and the allyl benzenes la, lb, and Id were reported earlier from the essential oil of the leaves of P. lenticellosum (3). In this paper we re- port the isolation of the known allyl benzenes la-Id …