HETEROCYCLES
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Obituary
Zenichi Yoshida (1925-2023)
Zenichi Yoshida (1925-2023)
Professor. Zenichi Yoshida,
a member of the Honorary Advisors of HETEROCYCLES (1975-1998),
has passed away on May 4, 2023 at the age of 97.
I deeply express my regret over his death.
Kunio Ogasawara
Editor
May 11, 2023
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Note | Regular issue | Vol 63, No. 4, 2004, pp.845-850
Published online, 6th February, 2004■ Conodusarine, a New Biologically Active Bisindole Alkaloid from Tabernaemontana divaricata
Published online, 6th February, 2004
DOI: 10.3987/COM-03-9943
■ Conodusarine, a New Biologically Active Bisindole Alkaloid from Tabernaemontana divaricata
Toh-Seok Kam* and Huey-Shen Pang
*Department of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia
Abstract
A new bisindole alkaloid of the vobasine-iboga type, conodusarine, was isolated from the stem-bark extract of Tabernaemontana divaricata and the structure established by spectroscopic analysis.
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