Isolation and Structure Identification of Novel Monoterpene Lactone from Ornithogalum Caudatum Ait

Abstract

Abstract: A kind of monoterpene lactone,6-hydroxy-4,4,7a-trimethyl-5,6,7,7a-tetrahydro-4H-benzofuran-2-one,was isolated from Ornithogalum Caudatum Ait,whose structure was confirmed by IR and NMR methods,and its fragmentation pathway was studied by ESI-MSⁿ.The stereo-structure of the compound was identified by the degree of specific rotation and ¹H NMR.The experimental results demonstrate that the compound is firstly found in this kind of plant.

Key words: Ornithogalum caudatum Ait, Loliolide, Enantiomer

CLC Number:

O657

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BAI Jin-Fa, LIU Zhi-Qiang, WANG Shu-Min, SONG Feng-Rui, LIU Shu-Ying . Isolation and Structure Identification of Novel Monoterpene Lactone from Ornithogalum Caudatum Ait[J]. Chem. J. Chinese Universities, 2005, 26(10): 1817.

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Isolation and Structure Identification of Novel Monoterpene Lactone from Ornithogalum Caudatum Ait

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