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1994•Bulletin of the Chemical Society of JapanRequires access

The Structures of Azedarachins, Limonoid Antifeedants from Chinese Melia azedarach Linn

Ruo Chun Huang, Hiroaki Okamura, Tetsuo Iwagawa, Munehiro Nakatani

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Abstract

Abstract Three azedarachins, insect antifeedant limonoids, have been isolated from the root bark of Chinese Melia azedarach Linn (Meliaceae), along with six trichilins. Their structures show a 14,15-epoxide and a 19/29 acyl acetal bridge system, as elucidated by spectroscopic studies. They are antifeedants active against the larvae of Spodoptera exigua Hübner (Boisduval).

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What this paper is about

Abstract Three azedarachins, insect antifeedant limonoids, have been isolated from the root bark of Chinese Melia azedarach Linn (Meliaceae), along with six trichilins. Their structures show a 14,15-epoxide and a 19/29 acyl acetal bridge system, as elucidated by spectroscopic studies. They are antifeedants active against the larvae of Spodoptera exigua Hübner (Boisduval).

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Available abstract

Abstract Three azedarachins, insect antifeedant limonoids, have been isolated from the root bark of Chinese Melia azedarach Linn (Meliaceae), along with six trichilins. Their structures show a 14,15-epoxide and a 19/29 acyl acetal bridge system, as elucidated by spectroscopic studies. They are antifeedants active against the larvae of Spodoptera exigua Hübner (Boisduval).

Key concepts: Melia azedarach, Limonoid, Meliaceae, Chemistry, Exigua, Bark (sound), Spodoptera, Spodoptera litura

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