3 matokeo
Cell suspension cultures of TABERNAEMONTANA DIVARICATA were found to produce relatively large amounts of indole alkaloids. For their isolation an ion-pair DCCC method was used in combination with preparative TLC. The alkaloids were identified as tabernaemontanine, perivine, vobasine, voaphylline,
The isolation and structure elucidation of the three new bisindole alkaloids, gabunamine, tabernamine, and 19,20-epoxyconoduramine, from Tabernaemontana johnstonii stem bark are described. The isolation of the seven known alkaloids, conodurine, conoduramine, gabunine, isovacangine, ibogamine,
Certain active antileukemic and cytotoxic fractions prepared from Tabernaemontana holstii roots were investigated, resulting in the isolation of the known indole alkaloids conoduramine, conodurine, coronaridine, gabunine, 19-oxocoronaridine, pericyclivine, perivine, and vobasine. Two new alkaloids