Chemistry of Natural Compounds p. 310 - 314 (1982)
Update date:2022-08-11
Topics:
Fam Van Tkhin'
Makhsudova, B.
Otroshchenko, O. S.
Two dimeric proanthocyanidins have been isolated from the bark and roots of kenaf of variety Uzbekskii 1574.On the basis of chemical transformations and NMR and mass-spectral analyses it has been established that the proanthocyanidins have the structure of a dehydro dimer of 3,3',4',5,7-pentahydroxyflavan and that of 8-(3-galloyloxy-3',4',5,7-tetrahydroxyflavan-4-yl)-3,3',4',5,7-pentahydroxyflavan, respectively, with a C4-C8 (or C6) bond between the flavan moieties.
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Doi:10.1021/ol5029783
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