1. Evolvulin III, a new resin glycoside isolated from Evolvulus alsinoides.
- Author
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Fan, Bo-Yi, Lu, Yun, Xu, Jin-Yuan, Zhang, Ai-Wen, Yang, Min, and Chen, Guang-Tong
- Abstract
• A new resin glycoside (1) was isolated from the whole plants of Evolvulus alsinoides. • Compound 1 has a distinctive 3S,11R,14R-trihydroxyhexadecanoic acid acting as the aglycone. • Compounds 1 and 2 are interconvertible via intramolecular transesterification. A new resin glycoside named evolvulin III (1) was isolated from the whole plants of Evolvulus alsinoides. Compound 1 was identified as a pentasaccharide macrolactone with a distinctive 3 S ,11 R ,14 R -trihydroxyhexadecanoic acid acting as the aglycone. Interestingly, evolvulin III (1) is interconvertible with a known resin glycoside, namely, evolvulin II (2), by intramolecular transesterification. The structure of compound 1 was determined by spectroscopic data and the chemical analysis of the equilibrium mixture of 1 and 2. [ABSTRACT FROM AUTHOR]
- Published
- 2020
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