Constituents of Tropical Medicinal Plants, IXX¹GC/MS-Investigations of the Constituents ofPiper amalago- 30 New Amides of the Piperine-Type

Constituents of Tropical Medicinal Plants, IXX¹GC/MS-Investigations of the Constituents of<i>Piper amalago</i>- 30 New Amides of the Piperine-Type Two amides from Piper amalago New Amide Alkaloids from the Roots of <i>Piper </i><i>n</i><i>igrum</i> New Amide Alkaloids from the Roots of Piper nigrum Novel amide alkaloids from the roots of Piper guineense Isolation and identification of amides from Piper callosum. Synthesis of pipercallosine and pipercallosidine Chromatographic isolation of insecticidal amides from Piper guineense root Alkaloids of Piper longum Linn—I Alkaloids from <i>Piper sarmentosum</i> and <i>Piper nigrum</i> An amide from fruits of Piper nigrum