Taburnaemines A-I, Cytotoxic Vobasinyl-Iboga-Type Bisindole Alkaloids from Tabernaemontana corymbosa.
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DOI: 10.1021/acs.jnatprod.7b00949
Abstract: Nineteen vobasinyl-ibogan-type bisindole alkaloids, including nine new compounds, taburnaemines A-I (1-9), were isolated from the twigs and leaves of Tabernaemontana corymbosa. The structures and absolute configurations of the new alkaloids were determined by a combination… read more here.
Keywords: bisindole; iboga; bisindole alkaloids; tabernaemontana corymbosa ... See more keywords
Flabellipparicine, a Flabelliformide-Apparicine-Type Bisindole Alkaloid from Tabernaemontana divaricata.
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DOI: 10.1021/acs.jnatprod.8b00191
Abstract: Four new monoterpenoid bisindole alkaloids, flabellipparicine (1), 19,20-dihydrovobparicine (2), 10'-demethoxy-19,20-dihydrovobatensine D (3), and 3'-(2-oxopropyl)ervahanine A (4), and 10 known monoterpenoid indole alkaloids were isolated from the stems of Tabernaemontana divaricata. All structures were elucidated based… read more here.
Keywords: bisindole; flabelliformide apparicine; bisindole alkaloid; tabernaemontana divaricata ... See more keywords