New formylated phloroglucinol compounds from Eucalyptus globulus foliage

Abstract : Two new acylphloroglucinols were isolated from the leaves of Eucalyptus globulus Labill and identified as macrocarpals P (1) and Q (2). Structural elucidations were carried out using conventional 1D and 2D NMR and mass spectrometry together with complementary techniques (UV and IR). Macrocarpal Q was a diastereoisomer of macrocarpal E (3), configuration of which was not precised. Simultaneous isolation of macrocarpals E and Q allowed to determine the configurations of both compounds. The diformylphloroglucinol (4) was also isolated as well as already known compounds grandinol, macrocarpals D, I, L, N, O and am-1.
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Phytochemistry Letters, Elsevier, 2015, 11, pp.69-73. 〈10.1016/j.phytol.2014.11.002〉
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https://hal.archives-ouvertes.fr/hal-01230089
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Soumis le : mardi 17 novembre 2015 - 17:11:15
Dernière modification le : jeudi 8 février 2018 - 11:10:27

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Sophie Chenavas, Christel Fiorini-Puybaret, Philippe Joulia, Camille Larrouquet, Hugues Waton, et al.. New formylated phloroglucinol compounds from Eucalyptus globulus foliage. Phytochemistry Letters, Elsevier, 2015, 11, pp.69-73. 〈10.1016/j.phytol.2014.11.002〉. 〈hal-01230089〉

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