Schumanniophyton problematicum

Amadi E, Offiah N, Akah P Neuropsychopharmacologic properties of a Schumanniophyton problematicum root extract. J Ethnopharmacol 33 73-77,1991... [Pg.27]

Schumanniophytine (81) is a chromonopyridine from the root bark of Schumanniophyton problematicum which is also a source of the piperidones (82, R=H) and (82, R=Me) (E. Schittler and U. Spitaler, Tetrahedron Letters, 1978, 2911). [Pg.191]

Unnamed alkaloid A Schumanniophyton problematicum (A.Chev.) Aubrev. rootbark Schumanniophyton magniftcum Harms. [1]... [Pg.126]

The root bark of Schumanniophyton problematicum contains a new pyridine alkaloid, named schumanniophytine and formulated as the chromone (43), alkaline hydrolysis of which afforded the pyranopyridine (44). Also present are the 2-piperidones (45) and (46), the structures of all three alkaloids being deduced largely on spectral evidence. ... [Pg.38]

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