Indonesian Medicinal Plants. VII. Seven New Clerodane-Type Diterpenoids, Peronemins A2, A3, B1, B2, B3, C1, and D1, from the Leaves of Peronema canescens (Verbenaceae)

Isao KITAGAWA; Partomuan SIMANJUNTAK; Kazuyuki HORI; Nobumasa NAGAMI; Taifo MAHMUD; Hirotaka SHIBUYA; Motomasa KOBAYASHI

doi:10.1248/cpb.42.1050

Indonesian Medicinal Plants. VII. Seven New Clerodane-Type Diterpenoids, Peronemins A₂, A₃, B₁, B₂, B₃, C₁, and D₁, from the Leaves of Peronema canescens (Verbenaceae)

Isao KITAGAWA, Partomuan SIMANJUNTAK, Kazuyuki HORI, Nobumasa NAGAMI, Taifo MAHMUD, Hirotaka SHIBUYA, Motomasa KOBAYASHI

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Keywords: Indonesian medicinal plant, Peronema canescens, Verbenaceae, peronemin, clerodane diterpene

JOURNALS FREE ACCESS

Volume 42 (1994) Issue 5 Pages 1050-1055

DOI https://doi.org/10.1248/cpb.42.1050

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Abstract

Seven new clerodane-type diterpenoids, named peronemins B₂ (1), A₂ (2), B₁ (3), C₁ (4), B₃ (5), A₃ (6), and D₁ (7), were isolated from the leaves of Peronema canescens (Verbenaceae), an Indonesian medicinal plant collected in Bengkulu, Sumatera Island, Indonesia. The chemical structures of 1-7 have been elucidated on the basis of their chemical and physicochemical properties.

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