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Structure of histamine releasing guaianolides from Thapsia species

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The structures of six hexaoxygenated guaianolides esterified with four non isomeric carboxylic acids have been established by 1H NMR and 13C NMR spectroscopy. The acyl residues have been located by chemical ionisation mass spectrometry. Some of the acyl residues are novel for sesquiterpene lactones. The acyl residues in two additional guaianolides esterified with isomeric acids have been located by partial hydrolysis.

OriginalsprogEngelsk
TidsskriftPhytochemistry
Vol/bind23
Udgave nummer8
Sider (fra-til)1659-1663
Antal sider5
ISSN0031-9422
DOI
StatusUdgivet - 1984

ID: 232600597