Keywords
2-oxosparteine
3α-phenylthiolupanine and 3,3-(diphenylthio)lupan
3β-phenylthiolupanine
EI-MS
ESI-MS
quinolizidine alkaloids
Abstract
The following sparteine derivatives obtained by the chemical modification of the lupin alkaloid 2-oxosparteine (lupanine) have been studied by EI and ESI mass spectrometry: 3-dehydrolupanine, 2-thiono-3-dehydrolupanine, 3b-phenylthiolupanine, 3a-phenylthio- lupanine and 3,3-di(phenylthio)lupanine.
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