Petrosimonia monandra

Petrocapnos spp., alkaloids, 178 Petrosimonia monandra, 1 Pheanthus ebracteolatus, 850 Pheanthine, 350, 356 Phellodendron armererm, 820 Phenanthridine group, alkaloids, 406 Phenylalkylamines, 681 Phenyldehydrospartelne, pharmacological action, 152... 

Piperidine has been obtained from pepper, from Psilocaulon absimile N.E.Br (Aizoacese) in which it occurs to the extent of 4-5 per cent., and in Petrosimonia monandra. N-Methylpiperidine has been recorded in Girgensohnia spp. 

Occurs in form of Piperine in black pepper Piper nigrum, P. longum, P. officinarum). Also present in free state in plants, e.g. Psilocaulon absimile, Petrosimonia monandra. Glycine max. Useful base in org. synth. Used for detn. of Co, Ni, Pt, Pd, Rh, Ir. Liq. with characteristic odour. Misc. H2O, sol. org. solvs. df 0.862. Mp -9°. Bp 106°, Bp2o 17.7°. n 1.4534. Forms a hydrate, Mp -14°. 

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