In an article, author is Tsopmo, Apollinaire, once mentioned the application of 1689-64-1, Application In Synthesis of 9H-Fluoren-9-ol, Name is 9H-Fluoren-9-ol, molecular formula is C13H10O, molecular weight is 182.22, MDL number is MFCD00001135, category is naphthyridines. Now introduce a scientific discovery about this category.
Chemical constituents from the bark of Anisopus mannii
A minor novel 1,7-naphthyridine alkaloid with an unprecedented skeleton, named anisopusine (1), was isolated from the CH2Cl2 soluble materials of an acetone extract of the bark of Anisopus mannii (Asclepiadaceae) together with four known compounds 5 alpha-hydroxy-lup-20(29)-en-3 beta-yl eicosanoate (2), [6]-gingerdione (3), [6]-dehydrogingerdione (4), and ferulic acid (5). Their structures were determined on the basis of spectroscopic data, including 1D and 2D NMR, HR-EI-MS. Compounds (2-5) were characterized for the first time from this genus.
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Reference:
1,8-Naphthyridine – Wikipedia,
,1,8-Naphthyridine | C8H6N2 – PubChem