Isolation and structure determination of two new constituents from the fruits of Morinda citrifolia Linn |
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| Authors: | Siddiqui Bina S Sattar Fouzia A Ahmad Fayaz Begum Sabira |
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| Institution: | International Center for Chemical Sciences, HEJ Research Institute of Chemistry, University of Karachi, Karachi, Pakistan. bina@khi.comsats.net.pk |
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| Abstract: | Studies on the chemical constituents of the fruits of Morinda citrifolia Linn. have led to the isolation of two new compounds, morinaphthalene (=1,3,6,7-tetrahydroxy-2-hydroxymethyl-1,2,3,4-tetrahydronaphthalene, (1); and morindafurone (=5-hydroxy-1,10b-dihydro-6H-anthra 1,9-bc] furan-6-one, (2); as well as two known constituents, 1,8-dihydroxy-6-methoxy-3-methyl-9-anthrone (3) and 2,4-dimethoxy-9-anthrone (4). Their structures were elucidated by spectral analysis including 2D NMR techniques. |
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