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Ilmu Kimia Tumbuhan Lauraceae Indonesia : Xi. Alkaloid Aporfin dan Oksoaporfin dari Litsea excelsa.

Euis Holisotan Hakim, Sjamsul Arifin Achmad, Buchari & Sidharta Pramutadi


Abstract. The first chemical investigation on Litsea excelsa had been carried out in our laboratories. Three alkaloids had been isolated in this investigation, namely dicentrinone (I), nordicentrine (II), and norpredicentrine(III), and their identities were established through UV, 1H-NMR, 13C-NMR, and mass spectral evidence. Based on the co-occurrence of these three alkaloids in the single plant, a biogenetic oxidative sequence of these compounds may be proposed. This work will be of value for chemotaxonomy of the genus Litsea in particular, the Lauraceae in general.


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