Chromatographic separation of the CH2Cl2 extract from leaves of Peperomia serpens
yielded two chromenes [5-hydroxy-8-(3′, 7′-dimethylocta-2′, 6′-dienyl)-2, 2, 7-trimethyl …

From the methanol extract of the aerial parts of Peperomia blanda (Piperaceae), two
chromenes were isolated and characterized mainly through application of 2D-NMR …

An extract of leaves and stems of Peperomia villipetiola has been found to contain myristicin
(3-methoxy-4, 5-methylenedioxy-allylbenzene) and seven chromenes, whose structures are …

A new chromene, cumanensic acid (1), together with eight known compounds have been
isolated from the aerial part of Piper cf. cumanense Kunth (Piperaceae). Chromene structure …

Two chromones: 5-hydroxy-2-(14′-(E)-nonadecenyl) chromone (1) and 5-hydroxy-2-[12′-
(3 ″, 4 ″-methylenedioxyphenyl) dodecanyl] chromone (2), together with six known …

A new chromene, methyl 2, 2-dimethyl-8-(3-methyl-2-butenyl)-2H-chromene-6-carboxylate,
present in a mixture of eupatoriochromene, and mono-and sesquiterpenes from Piper …

Five new compounds (1− 5), including two secolignans, two tetrahydrofuran lignans, and
one highly methoxylated dihydronaphthalenone, were isolated from the whole plant of …

From the aerial parts of Pepermia obtusifolia, five phenolic compounds bearing a methyl, an
isoprenyl and a geranyl group on a benzene ring core have been isolated. The structures …

The Peperomia is one of the giant genus among Angiosperms with approximately 1600
species spread in the tropics. Their species are valuable as ornamental and several …

Ageratum conyzoides L. is an annual herb in the tropics and subtropics whose extracts are
known to possess pharmacological and biocidal activity. We report on the bioactivity of a …