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Planta Med 1978; 33(4): 360-364
DOI: 10.1055/s-0028-1097392
DOI: 10.1055/s-0028-1097392
Research Articles
© Georg Thieme Verlag Stuttgart · New York
Leaf Alkaloids of Rauwolfia cumminsii Stapf.
Further Information
Publication History
Publication Date:
13 January 2009 (online)
Abstract
The leaves of Rauwolfia cumminsii Stapf yield at least 12 indole alkaloids. Two E–seco indole alkaloids (corynantheol and corynantheal), seven ajmalantype dihydroindole alkaloids (endolobine, norpurpeline, dihydronorpurpeline, normitoridine, norseredamine, nortetraphyllicine and seredamine–17–O–(3', 4', 5') trimethoxybenzoate), two sarpagan alkaloids (normacusine B–O–methyl and an incompletely characterised compound) and the indoline alkaloid picrinine were isolated. The apparent scarcity of Namethylated indoline alkaloids in the plant may prove to be significant.
Key Word Index
Rauwolfia cumminsii - Apocynaceae - Indole alkaloids