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Sulphate ester of trans-4-hydroxypipecolic acid in seeds of Peltophorum |
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| Authors: | Stephen V Evans Tony KM Shing Robin T Aplin Linda E Fellows George WJ Fleet |
| Institution: | 1. Jodrell Laboratory, Royal Botanic Gardens, Kew, Richmond Surrey, TW9 3DS, U.K.;2. The Dyson Perrins Laboratory, South Parks, Road, Oxford, OX1 3QY, U.K.;3. Chemistry Department, The University, Manchester, M13 9PL, U.K. |
| Abstract: | An acidic compound isolated from seed of the legume Peltophorum africanum has been characterised on the basis of FAB-MS, EIMS, 13C and 1H NMR as trans-4-hydroxypipecolic acid-4-sulphate. This is the first naturally occurring sulphate ester of a non-protein amino acid to be described. The possible systematic significance of the distribution of the ester within Peltophorum and related genera is considered. |
| Keywords: | Leguminosae FAB-MS EIMS non-protein amino acid sulphate ester chemotaxonomy |
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