Journal
TETRAHEDRON LETTERS
Volume 46, Issue 8, Pages 1291-1294Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2004.12.118
Keywords
Podospermum; subtribe scorzonerinae; tribe lactuceae; asteraceae; natural products; phenolics
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A phytochemical investigation of Podospermum laciniatum (L.) DC. (Asteraceae) yielded the new quinic acid derivative podospermic acid (1,3,5-tridihydrocaffeoylquinic acid), which was named after the genus it was isolated from. The structure was established by HR mass spectrometry and extensive 1D and 2D NMR spectroscopy. Podospermic acid is the first naturally occurring dihydrocaffeoylquinic acid derivative. The chemosystematic impact and the radical scavenging activity of the new compound are discussed briefly. (C) 2004 Elsevier Ltd. All rights reserved.
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