Comprehensive Summary Compounds 1—12, including seven complex monoterpenoid
indole‐quinoline and bisindole alkaloids, suadimins D—J (1—7) with previously unreported …

The suadimins A–C (1–3) from Melodinus suaveolens are the first example of
monoterpenoid quinoline alkaloid dimers featuring an unprecedented carbon skeleton …

Eight new bisindole alkaloids, melosuavines A–C (1–3), having an aspidosperma-scandine
linkage, melosuavines D–F (4–6), possessing an aspidosperma-aspidosperma skeleton …

Five monoterpenoid indole alkaloids, namely meloyines AB (1–2), meloyines II-III (3–4), and
10-O-glucosyl-scandine (5) together with thirty-four known alkaloids were isolated from …

Ten monoterpenoid indole alkaloids, namely meloyine, 19S-methoxytubotaiwine N4-oxide,
16, 19-epoxy-Δ14-vincanol, 14β-hydroxymeloyunine, meloyunine, Δ14-vincamenine N4 …

A novel monoterpenoid indole alkaloid with unprecedented 6/5/6/4/6 fused rings,
khasuanine A (1), was isolated from the roots of Melodinus khasianus. The structure was …

Seco rearranged spiro-indolone alkaloids, meloyunines A (1) and B (2) and a
monoterpenoid quinoline alkaloid meloyunine C (3) together with its possible intermediate …

A new bisindole alkaloid, melosuavine I (1) possessing an aspidosperma-aspidosperma
dimeric skeleton, was isolated from the leaves of Melodinus suaveolens. The structure with …

Nineteen monoterpenoid indole alkaloids including seven new ones, melodinines A− G (1−
7), were isolated from Melodinus henryi. The structures of the new compounds were …

Melodinines Y1–Y4 (1–4), four undescribed alkaloids were isolated from Melodinus henryi.
Their structures were elucidated by extensive NMR, mass spectroscopic analyses …