THE PROTOBERBERINE ALKALAOIDS OF STEPHANIA SUBEROSA

Article abstract of DOI:10.1016/S0031-9422(00)81451-X

Six new protoberberines were found in Stephania suberosa root extracts: (-)-tetrahydrostephabine, (-)-stephabinamine, stephabine, 8-oxopseudopalmatine, (-)-trans-xylopinine N-oxide and (-)-cis-xylopinine N-oxide.Ten known alkaloids were also detected: (-)-tetrahydropalmatine, (-)tetrahydropalmatrubine, (-)-stepholidine, (-)-kikemanine, (-)-capaurimine, (-)-coreximine, (-)-corytenchine, (-)-discretine, pseudopalmatine and (-)-xylopinine. Key Word Index--Stephania suberosa; Menispermaceae; roots ; protoberberines; alkaloids.