A new natural product and insecticidal amides from seeds of Piper nigrum Linn.

Bina S. Siddiqui International Centre for Chemical Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, Karachi, PakistanCorrespondence[email protected]

Tahsin Gulzar International Centre for Chemical Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, Karachi, Pakistan

Sabira Begum International Centre for Chemical Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, Karachi, Pakistan

Farhana Afshan International Centre for Chemical Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, Karachi, Pakistan

Razia Sultana International Centre for Chemical Sciences, H.E.J. Research Institute of Chemistry, University of Karachi, Karachi, Pakistan

Abstract

Studies on the petroleum ether soluble and insoluble fraction of ethanol extract of dried ground seeds of Piper nigrum resulted in the isolation and structure elucidation of 1 new and 11 known compounds which include 3 hitherto unreported constituents, namely, cinnamylideneacetone, 3,4-methylenedioxyphenylpropiophenone and 2-hydroxy-4,5-methylenedioxypropiophenone from this plant.

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A new natural product and insecticidal amides from seeds of Piper nigrum Linn.

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A new natural product and insecticidal amides from seeds of Piper nigrum Linn.

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