Four new alkaloids, hippobrines A–D (1–4), along with three new polyacetylenes, hippobrenes A–C (5–7), were isolated from Hippobroma longiflora. Compounds 1–3 possess an unprecedented carbon skeleton.
Four new alkaloids, hippobrines A–D (1–4), along with three new polyacetylenes, hippobrenes A–C (5–7), were isolated from Hippobroma longiflora. Compounds 1–3 possess an unprecedented carbon skeleton.