Piperaceae Alkaloids: Part I. Structure of piperstachine; ¹³C‐ and ¹H‐NMR. Studies

Piperaceae Alkaloids: Part I. Structure of piperstachine; ¹³C‐ and ¹H‐NMR. Studies Piperaceae alkaloids: Part IV. Structure and Synthesis of Cyclostachine A, Cyclostachine B and Cyclopiperstachine Piperaceae alkaloids: Part II1 structure and synthesis of cyclostachine A, A novel alkaloid fromPiper trichostachyon C. DC Piperdardine, a piperidine alkaloid from Piper tuberculatum Pipermethystine, a novel pyridone alkaloid from piper methysticum Alkaloids from <i>Piper sarmentosum</i> and <i>Piper nigrum</i> Two new alkaloids, pipercyclobutanamides A and B, from Piper nigrum X-Ray Crystal Structure of a Naturally Occurring trans-2-cis-4-Isomer of Wisanine, a Piperine-Type Alkaloid From Piper guineense X-Ray Crystal Structure of a Naturally Occurring trans-2-cis-4-Isomer of Wisanine, a Piperine-Type Alkaloid From Piper guineense New Amide Alkaloids from the Roots of Piper nigrum