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New Phragmalin‐Type Limonoid Orthoesters from the Bark of Chukrasia tabularis var. velutina
Author(s) -
Liu WenXing,
Chen DuoZhi,
Ding JiaYin,
Hao XiaoJiang,
Li ShunLin
Publication year - 2015
Publication title -
helvetica chimica acta
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.74
H-Index - 82
eISSN - 1522-2675
pISSN - 0018-019X
DOI - 10.1002/hlca.201400267
Subject(s) - limonoid , chemistry , brine shrimp , stereochemistry , terpene , bark (sound) , traditional medicine , medicine , physics , acoustics
Three new phragmalin‐type limonoid orthoesters, velutabularins K–M ( 1 – 3 ) and seven structurally related known compounds were isolated from the bark of Chukrasia tabularis var. velutina. The structures of these compounds were elucidated by spectroscopic analysis. The structure of 1 was confirmed by single crystal X‐ray diffraction. In addition, the brine shrimp lethality of compounds 1, 3 , and the known compounds was evaluated.