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A new insecticidal havanensin-type limonoid from the roots of Trichilia sinensis Bentv
Shou-Bai Liu1, Hui-Qin Chen1, Gang Feng2
1a Laboratory of Biology and Genetic Resources of Tropical Crops, Ministry of Agriculture , Institute of Tropical Bioscience and Biotechnology, Chinese Academy of Tropical Agricultural Sciences , Haikou , P. R. China.
Abstract:
One new havanensin-type limonoid (1) named trisinlin A with two known compounds (4E,8E)-2-[2'-hydroxyhexadecanoyl amino]-4,8-octadecadiene-1,3-diol (2), 9-octadecenoic acid-2',3'-dihydroxypropyl ester (3) were isolated from the roots of Trichilia sinensis. The structure of the new compound was unambiguously determined through comprehensive spectroscopic analyses including 1D and 2D NMR, and mass spectrometry, as well as by comparison with the literature. Trisinlin A showed significant insecticidal activity against newly hatched larvae of Spodoptera litura.
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