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Title: 8-O-Acetyl-7-O-Methylgossypetin from Atraphaxis laetevirens

Author
item NAKANO, HIROSHI - National Agricultural Research Organization - Japan (NARO)
item KOSEMURA, SEIJI - Keio University
item MAMONOV, LEONID - Keio University
item Cantrell, Charles

Submitted to: Chemistry of Natural Compounds
Publication Type: Peer Reviewed Journal
Publication Acceptance Date: 7/17/2015
Publication Date: 1/18/2016
Citation: Nakano, H., Kosemura, S., Mamonov, L.K., Cantrell, C.L. 2016. 8-O-Acetyl-7-O-Methylgossypetin from Atraphaxis laetevirens. Chemistry of Natural Compounds. 52:127-129. https://doi.org/10.1007/s10600-016-1567-x.
DOI: https://doi.org/10.1007/s10600-016-1567-x

Interpretive Summary: Numerous classes of flavonoids have been isolated from the plant kingdom; however, 5-acetyl-6-methylgossypetin was isolated from a natural source for the first time. Although its 3-O-glycoside was isolated from A. pyrifolia in 1975 for the first time, there are no other reports on the isolation of the compound. Thus, 5-acetyl-6-methylgossypetin is considered to be a unique compound in common with A. laetevirens and A. pyrifolia. These results suggested that A. laetevirens might be chemotaxonomically associated to A. pyrifolia due to the presence of 1 and 5-acetyl-6-methylgossypetin (1) might be useful for chemotaxonomic studies of the genus Atraphaxis.

Technical Abstract: Numerous classes of flavonoids have been isolated from the plant kingdom; however, 5-acetyl-6-methylgossypetin was isolated from a natural source for the first time. Although its 3-O-glycoside was isolated from A. pyrifolia in 1975 for the first time, there are no other reports on the isolation of the compound. Thus, 5-acetyl-6-methylgossypetin is considered to be a unique compound in common with A. laetevirens and A. pyrifolia. These results suggested that A. laetevirens might be chemotaxonomically associated to A. pyrifolia due to the presence of 1 and 5-acetyl-6-methylgossypetin (1) might be useful for chemotaxonomic studies of the genus Atraphaxis.