Four pentasaccharide resin glycosides, acutacoside F-I (-), were isolated from the aerial parts of . These compounds were characterized as a group of macrolactones of operculinic acid A, and their lactonization site of 11-hydroxyhexadecanoic acid was esterified at the second saccharide moiety (Rhamnose) at C-2. The absolute configuration of the aglycone was . Their structures were elucidated by established spectroscopic and chemical methods.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6155385 | PMC |
| http://dx.doi.org/10.3390/molecules22030440 | DOI Listing |
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